{ "prepared": "2026-09-13", "video_count": 59, "available_transcripts_read": 58, "total_video_seconds": 41373.06, "method": "Three subagents read assigned full VTT transcripts. Parent assembled/reviewed summaries, checked current primary documentation, and inspected sampled video 30 frames. No narration transcription for video 30; subtitle-based lessons may omit silent screen details.", "lesson30_samples_seconds": [ 5, 25, 45, 65, 85, 105, 125, 145, 165, 185, 205, 225, 245, 265, 285, 305, 325, 345, 365, 385, 405, 425, 445, 465, 485, 505, 525, 545 ], "official_sources": [ { "id": "runtime", "title": "Cloudflare Workers runtime APIs", "url": "https://developers.cloudflare.com/workers/runtime-apis/", "use": "Worker execution APIs and partial Node.js compatibility.", "lessons": [ 1, 2, 3, 4, 5 ] }, { "id": "bindings", "title": "Cloudflare resource bindings", "url": "https://developers.cloudflare.com/workers/runtime-apis/bindings/", "use": "Resource access through env and local versus remote bindings.", "lessons": [ 6, 12, 15 ] }, { "id": "drizzle", "title": "Drizzle with Cloudflare D1", "url": "https://orm.drizzle.team/docs/sqlite/connect-cloudflare-d1", "use": "The D1 driver and database-query integration. Check documentation matching the installed version.", "lessons": [ 8, 9, 11, 30 ] }, { "id": "trpc", "title": "tRPC introduction", "url": "https://trpc.io/docs/", "use": "Shared TypeScript API contracts and client/server integration.", "lessons": [ 7, 10 ] }, { "id": "hono", "title": "Hono on Cloudflare Workers", "url": "https://hono.dev/docs/getting-started/cloudflare-workers", "use": "Routing requests with Hono and binding the Worker fetch handler.", "lessons": [ 13, 16, 18 ] }, { "id": "geo", "title": "Cloudflare Request API", "url": "https://developers.cloudflare.com/workers/runtime-apis/request/", "use": "request.cf metadata, including visitor geolocation and the serving colo.", "lessons": [ 14 ] }, { "id": "kv", "title": "How Workers KV works", "url": "https://developers.cloudflare.com/kv/concepts/how-kv-works/", "use": "Read caching and eventual consistency; reason about stale redirects.", "lessons": [ 17 ] }, { "id": "delivery", "title": "Queues delivery guarantees", "url": "https://developers.cloudflare.com/queues/reference/delivery-guarantees/", "use": "At-least-once delivery and duplicate-safe processing.", "lessons": [ 19, 21, 22, 23, 24 ] }, { "id": "queuepricing", "title": "Queues pricing", "url": "https://developers.cloudflare.com/queues/platform/pricing/", "use": "Current plan access and per-operation billing, including retries.", "lessons": [ 20 ] }, { "id": "workerpricing", "title": "Workers pricing", "url": "https://developers.cloudflare.com/workers/platform/pricing/", "use": "Current subscription, request, and CPU pricing; recording-era estimates are not a quotation.", "lessons": [] }, { "id": "workflow", "title": "Workflows Workers API", "url": "https://developers.cloudflare.com/workflows/build/workers-api/", "use": "Workflow instances, named steps, and their control API.", "lessons": [ 25, 26, 27, 28, 29, 31, 32, 33 ] }, { "id": "limits", "title": "Workflows limits", "url": "https://developers.cloudflare.com/workflows/reference/limits/", "use": "Step-result limits, streamed output, and external artifact storage.", "lessons": [ 34 ] }, { "id": "objects", "title": "What are Durable Objects?", "url": "https://developers.cloudflare.com/durable-objects/concepts/what-are-durable-objects/", "use": "Stateful coordination and per-object storage.", "lessons": [ 35, 36, 37, 38, 40 ] }, { "id": "websockets", "title": "Durable Objects WebSockets", "url": "https://developers.cloudflare.com/durable-objects/best-practices/websockets/", "use": "WebSocket coordination and hibernation behavior.", "lessons": [ 39, 41, 42, 43 ] }, { "id": "rpc", "title": "Workers remote procedure calls", "url": "https://developers.cloudflare.com/workers/runtime-apis/rpc/", "use": "Calling service entrypoints and Durable Object methods through bindings.", "lessons": [ 44 ] }, { "id": "environments", "title": "Wrangler environments", "url": "https://developers.cloudflare.com/workers/wrangler/environments/", "use": "Environment-specific Worker configuration and non-inherited bindings.", "lessons": [ 45, 46, 47, 48 ] }, { "id": "jwt", "title": "RFC 7519: JSON Web Token", "url": "https://www.rfc-editor.org/info/rfc7519/", "use": "Distinguish token claims, signing, and encryption.", "lessons": [ 49 ] }, { "id": "authstripe", "title": "Better Auth Stripe plugin", "url": "https://better-auth.com/docs/plugins/stripe", "use": "Subscription schema, checkout integration, and webhook configuration.", "lessons": [ 53, 54, 55 ] }, { "id": "webhook", "title": "Stripe webhooks", "url": "https://docs.stripe.com/webhooks", "use": "Signed events, delivery retries, duplicate events, and endpoint handling.", "lessons": [ 56 ] }, { "id": "testing", "title": "Cloudflare Workers Vitest integration", "url": "https://developers.cloudflare.com/workers/testing/vitest-integration/", "use": "Complement mocked business-logic tests with actual Worker runtime tests.", "lessons": [ 57, 58, 59 ] }, { "id": "auth", "title": "Better Auth basic usage", "url": "https://better-auth.com/docs/basic-usage", "use": "Client session state and server-side session validation.", "lessons": [ 50, 51, 52 ] } ], "lessons": [ { "number": 1, "title": "Intro & Overview", "section": "Getting Started", "duration": 1214.8, "evidence": "transcript", "study_page": "/lessons/0002-cloudflare-01-intro-overview.html", "timestamps": [ { "time": "00:07:00", "topic": "Course scope and pace" }, { "time": "00:09:00", "topic": "Smart Links product demonstration" }, { "time": "00:13:02", "topic": "User application versus data service responsibilities" }, { "time": "00:15:02", "topic": "Shared package and request flow" } ], "video_file": "01-Getting-Started-Intro-Overview.mp4", "transcript_file": "01-Getting-Started-Intro-Overview.en.vtt" }, { "number": 2, "title": "Setting up the project", "section": "Getting Started", "duration": 451.2, "evidence": "transcript", "study_page": "/lessons/0003-cloudflare-02-setting-up-the-project.html", "timestamps": [ { "time": "00:00:00", "topic": "Fork and clone the starter" }, { "time": "00:01:00", "topic": "Monorepo structure" }, { "time": "00:03:00", "topic": "Build the Data Ops package" }, { "time": "00:04:01", "topic": "Root scripts versus app-local scripts" } ], "video_file": "02-Getting-Started-Setting-up-the-project.mp4", "transcript_file": "02-Getting-Started-Setting-up-the-project.en.vtt" }, { "number": 3, "title": "Deploy the project", "section": "Getting Started", "duration": 349.6, "evidence": "transcript", "study_page": "/lessons/0004-cloudflare-03-deploy-the-project.html", "timestamps": [ { "time": "00:00:39", "topic": "Locate the Wrangler configuration" }, { "time": "00:01:59", "topic": "Build and Wrangler deploy script" }, { "time": "00:03:04", "topic": "Authorize Wrangler access" }, { "time": "00:04:28", "topic": "Inspect the deployed Worker dashboard" } ], "video_file": "03-Getting-Started-Deploy-the-project.mp4", "transcript_file": "03-Getting-Started-Deploy-the-project.en.vtt" }, { "number": 4, "title": "Understand the Worker Runtime", "section": "Building on Cloudflare Workers", "duration": 704.8, "evidence": "transcript", "study_page": "/lessons/0005-cloudflare-04-understand-the-worker-runtime.html", "timestamps": [ { "time": "00:00:00", "topic": "V8 isolates and the traditional server model" }, { "time": "00:02:01", "topic": "Serverless allocation concept" }, { "time": "00:07:00", "topic": "Workers request execution flow" }, { "time": "00:10:00", "topic": "CPU work versus time waiting on APIs" } ], "video_file": "04-Building-on-Cloudflare-Workers-Understand-the-Worker-Runtime.mp4", "transcript_file": "04-Building-on-Cloudflare-Workers-Understand-the-Worker-Runtime.en.vtt" }, { "number": 5, "title": "Framework bundling, Entrypoints, & Env", "section": "Building on Cloudflare Workers", "duration": 1358.9, "evidence": "transcript", "study_page": "/lessons/0006-cloudflare-05-framework-bundling-entrypoints-env.html", "timestamps": [ { "time": "00:00:00", "topic": "The fetch handler as the server contract" }, { "time": "00:07:02", "topic": "Framework chunks and OpenNext output" }, { "time": "00:13:00", "topic": "Local development variables and generated types" }, { "time": "00:19:00", "topic": "Deployed secrets and shared secret storage" } ], "video_file": "05-Building-on-Cloudflare-Workers-Framework-bundling-Entrypoints-Env.mp4", "transcript_file": "05-Building-on-Cloudflare-Workers-Framework-bundling-Entrypoints-Env.en.vtt" }, { "number": 6, "title": "Binding resources to your Worker", "section": "Building on Cloudflare Workers", "duration": 419, "evidence": "transcript", "study_page": "/lessons/0007-cloudflare-06-binding-resources-to-your-worker.html", "timestamps": [ { "time": "00:01:00", "topic": "Resources and bindings across products" }, { "time": "00:02:00", "topic": "Create and bind a KV namespace" }, { "time": "00:03:00", "topic": "Local state versus remote bindings" }, { "time": "00:04:00", "topic": "Generate types and implement KV routes" } ], "video_file": "06-Building-on-Cloudflare-Workers-Binding-resources-to-your-Worker.mp4", "transcript_file": "06-Building-on-Cloudflare-Workers-Binding-resources-to-your-Worker.en.vtt" }, { "number": 7, "title": "React + Tanstack + TRPC on Workers", "section": "Building in a Mono Repo", "duration": 861.4, "evidence": "transcript", "study_page": "/lessons/0008-cloudflare-07-react-tanstack-trpc-on-workers.html", "timestamps": [ { "time": "00:02:01", "topic": "File routes and dashboard loaders" }, { "time": "00:06:00", "topic": "Problems in manual fetch state management" }, { "time": "00:09:00", "topic": "tRPC adds typed communication" }, { "time": "00:11:01", "topic": "Trace the table to the Worker backend" } ], "video_file": "07-Building-in-a-Mono-Repo-React-Tanstack-TRPC-on-Workers.mp4", "transcript_file": "07-Building-in-a-Mono-Repo-React-Tanstack-TRPC-on-Workers.en.vtt" }, { "number": 8, "title": "Setting up D1 Database & Drizzle ORM", "section": "Building in a Mono Repo", "duration": 1069.3, "evidence": "transcript", "study_page": "/lessons/0009-cloudflare-08-setting-up-d1-database-drizzle-orm.html", "timestamps": [ { "time": "00:03:01", "topic": "Why introduce Drizzle and shared queries" }, { "time": "00:08:01", "topic": "Drizzle configuration and introspection" }, { "time": "00:12:00", "topic": "Create the D1 tooling token" }, { "time": "00:14:02", "topic": "Create application tables and indexes" }, { "time": "00:17:00", "topic": "Pull the resulting schemas" } ], "video_file": "08-Building-in-a-Mono-Repo-Setting-up-D1-Database-Drizzle-ORM.mp4", "transcript_file": "08-Building-in-a-Mono-Repo-Setting-up-D1-Database-Drizzle-ORM.en.vtt" }, { "number": 9, "title": "Creating SQL Queries in our Mono Repo", "section": "Building in a Mono Repo", "duration": 1343.2, "evidence": "transcript", "study_page": "/lessons/0010-cloudflare-09-creating-sql-queries-in-our-mono-repo.html", "timestamps": [ { "time": "00:03:00", "topic": "Shared input schema and query creation" }, { "time": "00:06:00", "topic": "Database initialization and accessor" }, { "time": "00:14:01", "topic": "Diagnose database not initialized" }, { "time": "00:18:01", "topic": "Remote database integration" }, { "time": "00:21:00", "topic": "Return the actual generated link ID" } ], "video_file": "09-Building-in-a-Mono-Repo-Creating-SQL-Queries-in-our-Mono-Repo.mp4", "transcript_file": "09-Building-in-a-Mono-Repo-Creating-SQL-Queries-in-our-Mono-Repo.en.vtt" }, { "number": 10, "title": "Create all TRPC CRUD operations", "section": "Building in a Mono Repo", "duration": 1494.3, "evidence": "transcript", "study_page": "/lessons/0011-cloudflare-10-create-all-trpc-crud-operations.html", "timestamps": [ { "time": "00:02:00", "topic": "List query and time-based pagination" }, { "time": "00:09:01", "topic": "Link-detail and update queries" }, { "time": "00:11:00", "topic": "Destination shape and runtime parsing" }, { "time": "00:21:01", "topic": "Persist and remove country overrides" }, { "time": "00:23:01", "topic": "Invalidate queries after mutation success" } ], "video_file": "10-Building-in-a-Mono-Repo-Create-all-TRPC-CRUD-operations.mp4", "transcript_file": "10-Building-in-a-Mono-Repo-Create-all-TRPC-CRUD-operations.en.vtt" }, { "number": 11, "title": "Deploy your changes!", "section": "Building in a Mono Repo", "duration": 267.7, "evidence": "transcript", "study_page": "/lessons/0012-cloudflare-11-deploy-your-changes.html", "timestamps": [ { "time": "00:00:00", "topic": "Why deploy incrementally" }, { "time": "00:01:00", "topic": "Run deploy and inspect its failure" }, { "time": "00:02:00", "topic": "Fix the unused placeholder variable" }, { "time": "00:03:00", "topic": "Verify the deployed database-backed UI" } ], "video_file": "11-Building-in-a-Mono-Repo-Deploy-your-changes.mp4", "transcript_file": "11-Building-in-a-Mono-Repo-Deploy-your-changes.en.vtt" }, { "number": 12, "title": "Setting up the Data Service", "section": "Smart Routing Service", "duration": 439.9, "evidence": "transcript", "study_page": "/lessons/0013-cloudflare-12-setting-up-the-data-service.html", "timestamps": [ { "time": "00:00:00", "topic": "Default and country-specific redirect requirements" }, { "time": "00:02:00", "topic": "Move into the separate data service" }, { "time": "00:04:01", "topic": "Worker triggers" }, { "time": "00:05:01", "topic": "Constructor and local startup" }, { "time": "00:06:01", "topic": "Deploy the minimal service" } ], "video_file": "12-Smart-Routing-Service-Setting-up-the-Data-Service.mp4", "transcript_file": "12-Smart-Routing-Service-Setting-up-the-Data-Service.en.vtt" }, { "number": 13, "title": "Setting up Hono", "section": "Smart Routing Service", "duration": 505.8, "evidence": "transcript", "study_page": "/lessons/0014-cloudflare-13-setting-up-hono.html", "timestamps": [ { "time": "00:00:00", "topic": "Why manual path conditions become cumbersome" }, { "time": "00:03:00", "topic": "Create the typed Hono app and dynamic route" }, { "time": "00:05:01", "topic": "Forward the Worker request and context" }, { "time": "00:07:00", "topic": "Test matched and unmatched paths" } ], "video_file": "13-Smart-Routing-Service-Setting-up-Hono.mp4", "transcript_file": "13-Smart-Routing-Service-Setting-up-Hono.en.vtt" }, { "number": 14, "title": "Cloudflare Worker location headers", "section": "Smart Routing Service", "duration": 349.9, "evidence": "transcript", "study_page": "/lessons/0015-cloudflare-14-cloudflare-worker-location-headers.html", "timestamps": [ { "time": "00:01:02", "topic": "Access the original raw request" }, { "time": "00:02:00", "topic": "Inspect the Cloudflare cf object" }, { "time": "00:03:00", "topic": "Country and other location metadata" }, { "time": "00:04:00", "topic": "Extract optional routing and coordinate values" } ], "video_file": "14-Smart-Routing-Service-Cloudflare-Worker-location-headers.mp4", "transcript_file": "14-Smart-Routing-Service-Cloudflare-Worker-location-headers.en.vtt" }, { "number": 15, "title": "Connecting our database", "section": "Smart Routing Service", "duration": 487.8, "evidence": "transcript", "study_page": "/lessons/0016-cloudflare-15-connecting-our-database.html", "timestamps": [ { "time": "00:01:01", "topic": "Extract the ID and reuse get-link" }, { "time": "00:03:01", "topic": "Configure the data service D1 binding" }, { "time": "00:05:02", "topic": "Missing await reveals the initialization error" }, { "time": "00:06:00", "topic": "Initialize the database in the constructor" } ], "video_file": "15-Smart-Routing-Service-Connecting-our-database.mp4", "transcript_file": "15-Smart-Routing-Service-Connecting-our-database.en.vtt" }, { "number": 16, "title": "Geo based smart routing", "section": "Smart Routing Service", "duration": 710.5, "evidence": "transcript", "study_page": "/lessons/0017-cloudflare-16-geo-based-smart-routing.html", "timestamps": [ { "time": "00:00:00", "topic": "Missing-link handling" }, { "time": "00:02:00", "topic": "Shared metadata schema and coordinate conversion" }, { "time": "00:04:00", "topic": "Metadata parsing failure behavior" }, { "time": "00:06:00", "topic": "Country override and default selection" }, { "time": "00:10:01", "topic": "Malaysia VPN redirect experiment" } ], "video_file": "16-Smart-Routing-Service-Geo-based-smart-routing.mp4", "transcript_file": "16-Smart-Routing-Service-Geo-based-smart-routing.en.vtt" }, { "number": 17, "title": "Speed things up with KV", "section": "Smart Routing Service", "duration": 726.3, "evidence": "transcript", "study_page": "/lessons/0018-cloudflare-17-speed-things-up-with-kv.html", "timestamps": [ { "time": "00:00:00", "topic": "Database distance and eventual consistency" }, { "time": "00:03:02", "topic": "Cache-first lookup order" }, { "time": "00:05:00", "topic": "Validate cached JSON and coordinate fallback" }, { "time": "00:08:01", "topic": "Set the 24-hour expiration" }, { "time": "00:11:01", "topic": "Repeated-request observation and cache logging" } ], "video_file": "17-Smart-Routing-Service-Speed-things-up-with-KV.mp4", "transcript_file": "17-Smart-Routing-Service-Speed-things-up-with-KV.en.vtt" }, { "number": 18, "title": "Extending our data services", "section": "Smart Routing Service", "duration": 187.7, "evidence": "transcript", "study_page": "/lessons/0019-cloudflare-18-extending-our-data-services.html", "timestamps": [ { "time": "00:00:00", "topic": "Remaining dashboard and health-check features" }, { "time": "00:01:00", "topic": "Separate redirecting from click processing" }, { "time": "00:02:01", "topic": "Queue events feeding analytics, Durable Objects, and Workflows" } ], "video_file": "18-Smart-Routing-Service-Extending-our-data-services.mp4", "transcript_file": "18-Smart-Routing-Service-Extending-our-data-services.en.vtt" }, { "number": 19, "title": "What are queues?", "section": "Working with Queues", "duration": 336, "evidence": "transcript", "study_page": "/lessons/0020-cloudflare-19-what-are-queues.html", "timestamps": [ { "time": "00:01:21", "topic": "Queue as a background-processing middle layer" }, { "time": "00:02:41", "topic": "Event-driven systems" }, { "time": "00:03:00", "topic": "At-least-once delivery motivation" }, { "time": "00:04:21", "topic": "Dead-letter queue" }, { "time": "00:05:04", "topic": "Link-click pipeline and downstream features" } ], "video_file": "19-Working-with-Queues-What-are-queues.mp4", "transcript_file": "19-Working-with-Queues-What-are-queues.en.vtt" }, { "number": 20, "title": "Workers Paid Tier + Pricing breakdown", "section": "Working with Queues", "duration": 284.6, "evidence": "transcript", "study_page": "/lessons/0021-cloudflare-20-workers-paid-tier-pricing-breakdown.html", "timestamps": [ { "time": "00:00:01", "topic": "Recorded paid-tier requirement" }, { "time": "00:00:41", "topic": "Account and team billing model" }, { "time": "00:01:53", "topic": "Usage-based pricing" }, { "time": "00:02:36", "topic": "Learning costs from observed usage" }, { "time": "00:04:06", "topic": "Forecasting a known high-volume workload" } ], "video_file": "20-Working-with-Queues-Workers-Paid-Tier-Pricing-breakdown.mp4", "transcript_file": "20-Working-with-Queues-Workers-Paid-Tier-Pricing-breakdown.en.vtt" }, { "number": 21, "title": "Creating & Using Queues", "section": "Working with Queues", "duration": 530.1, "evidence": "transcript", "study_page": "/lessons/0022-cloudflare-21-creating-using-queues.html", "timestamps": [ { "time": "00:01:54", "topic": "Implementing the Worker queue handler" }, { "time": "00:02:50", "topic": "Message metadata and acknowledgement" }, { "time": "00:05:14", "topic": "One consumer Worker per queue" }, { "time": "00:06:37", "topic": "Observing a batch containing several messages" }, { "time": "00:07:04", "topic": "Pause and resume delivery" } ], "video_file": "21-Working-with-Queues-Creating-Using-Queues.mp4", "transcript_file": "21-Working-with-Queues-Creating-Using-Queues.en.vtt" }, { "number": 22, "title": "Creating a Producer", "section": "Working with Queues", "duration": 556, "evidence": "transcript", "study_page": "/lessons/0023-cloudflare-22-creating-a-producer.html", "timestamps": [ { "time": "00:00:38", "topic": "Capturing clicks without delaying redirects" }, { "time": "00:02:03", "topic": "send and sendBatch" }, { "time": "00:03:11", "topic": "Shared link-click message type" }, { "time": "00:05:38", "topic": "Moving queue send into waitUntil" }, { "time": "00:08:20", "topic": "Checking the received JSON event" } ], "video_file": "22-Working-with-Queues-Creating-a-Producer.mp4", "transcript_file": "22-Working-with-Queues-Creating-a-Producer.en.vtt" }, { "number": 23, "title": "Building Type Safe Queue Handlers", "section": "Working with Queues", "duration": 660.4, "evidence": "transcript", "study_page": "/lessons/0024-cloudflare-23-building-type-safe-queue-handlers.html", "timestamps": [ { "time": "00:00:23", "topic": "Runtime validation with Zod" }, { "time": "00:01:42", "topic": "Discriminated union by event type" }, { "time": "00:02:48", "topic": "safeParse on message.body" }, { "time": "00:05:14", "topic": "Shared add-link-click database query" }, { "time": "00:09:10", "topic": "Confirming a persisted click in D1" } ], "video_file": "23-Working-with-Queues-Building-Type-Safe-Queue-Handlers.mp4", "transcript_file": "23-Working-with-Queues-Building-Type-Safe-Queue-Handlers.en.vtt" }, { "number": 24, "title": "Advanced Configuration: Delay, Retries & Dead Letter", "section": "Working with Queues", "duration": 784.3, "evidence": "transcript", "study_page": "/lessons/0025-cloudflare-24-advanced-configuration-delay-retries-dead-letter.html", "timestamps": [ { "time": "00:01:23", "topic": "Local queue testing and separate-service caveats" }, { "time": "00:04:31", "topic": "Producer delivery delay" }, { "time": "00:06:23", "topic": "Retry settings" }, { "time": "00:08:05", "topic": "Creating and pausing the dead-letter queue" }, { "time": "00:11:58", "topic": "Recovering failed events after restoring the handler" } ], "video_file": "24-Working-with-Queues-Advanced-Configuration-Delay-Retries-Dead-Letter.mp4", "transcript_file": "24-Working-with-Queues-Advanced-Configuration-Delay-Retries-Dead-Letter.en.vtt" }, { "number": 25, "title": "What are Cloudflare Workflows?", "section": "Building AI Workflows", "duration": 446.7, "evidence": "transcript", "study_page": "/lessons/0026-cloudflare-25-what-are-cloudflare-workflows.html", "timestamps": [ { "time": "00:00:30", "topic": "Render, evaluate, and preserve destination evidence" }, { "time": "00:02:08", "topic": "Persisted multi-step applications" }, { "time": "00:03:09", "topic": "Workflow entrypoint and run method" }, { "time": "00:04:06", "topic": "Per-step retries and backoff" }, { "time": "00:05:09", "topic": "Recorded workflow concurrency constraints" } ], "video_file": "25-Building-AI-Workflows-What-are-Cloudflare-Workflows.mp4", "transcript_file": "25-Building-AI-Workflows-What-are-Cloudflare-Workflows.en.vtt" }, { "number": 26, "title": "Build & Deploy a Workflow", "section": "Building AI Workflows", "duration": 554.9, "evidence": "transcript", "study_page": "/lessons/0027-cloudflare-26-build-deploy-a-workflow.html", "timestamps": [ { "time": "00:01:20", "topic": "WorkflowEntrypoint subclass" }, { "time": "00:02:37", "topic": "Defining a named step" }, { "time": "00:05:05", "topic": "Export and Wrangler configuration" }, { "time": "00:06:58", "topic": "Manual instance trigger" }, { "time": "00:07:58", "topic": "Inspecting returned step output" } ], "video_file": "26-Building-AI-Workflows-Build-Deploy-a-Workflow.mp4", "transcript_file": "26-Building-AI-Workflows-Build-Deploy-a-Workflow.en.vtt" }, { "number": 27, "title": "Rendering Webpages with Cloudflare Browser Render", "section": "Building AI Workflows", "duration": 890.23, "evidence": "transcript", "study_page": "/lessons/0028-cloudflare-27-rendering-webpages-with-cloudflare-browser-render.html", "timestamps": [ { "time": "00:01:26", "topic": "Cloudflare Puppeteer integration" }, { "time": "00:05:18", "topic": "Browser binding setup" }, { "time": "00:07:51", "topic": "Typed workflow input" }, { "time": "00:08:31", "topic": "Wait for network idle and extract content" }, { "time": "00:13:55", "topic": "Closing the browser session" } ], "video_file": "27-Building-AI-Workflows-Rendering-Webpages-with-Cloudflare-Browser-Render.mp4", "transcript_file": "27-Building-AI-Workflows-Rendering-Webpages-with-Cloudflare-Browser-Render.en.vtt" }, { "number": 28, "title": "Workers AI & AI SDK", "section": "Building AI Workflows", "duration": 406, "evidence": "transcript", "study_page": "/lessons/0029-cloudflare-28-workers-ai-ai-sdk.html", "timestamps": [ { "time": "00:00:38", "topic": "Workers AI as the course model service" }, { "time": "00:01:22", "topic": "Why structured responses help application code" }, { "time": "00:02:28", "topic": "JSON response schema example" }, { "time": "00:04:23", "topic": "AI SDK provider abstraction" }, { "time": "00:05:44", "topic": "Workers AI binding and model invocation" } ], "video_file": "28-Building-AI-Workflows-Workers-AI-AI-SDK.mp4", "transcript_file": "28-Building-AI-Workflows-Workers-AI-AI-SDK.en.vtt" }, { "number": 29, "title": "Create an AI Workflow Step", "section": "Building AI Workflows", "duration": 1311.7, "evidence": "transcript", "study_page": "/lessons/0030-cloudflare-29-create-an-ai-workflow-step.html", "timestamps": [ { "time": "00:02:59", "topic": "Body text rather than full HTML as model input" }, { "time": "00:04:27", "topic": "Zod output schema" }, { "time": "00:10:24", "topic": "Workers AI binding" }, { "time": "00:13:44", "topic": "AI step and retry budget" }, { "time": "00:20:21", "topic": "Unknown result despite successful HTTP status" } ], "video_file": "29-Building-AI-Workflows-Create-an-AI-Workflow-Step.mp4", "transcript_file": "29-Building-AI-Workflows-Create-an-AI-Workflow-Step.en.vtt" }, { "number": 30, "title": "Saving AI output in our DB", "section": "Building AI Workflows", "duration": 559.8, "evidence": "sampled-video-frames", "study_page": "/lessons/0031-cloudflare-30-saving-ai-output-in-our-db.html", "timestamps": [ { "time": "00:01:45", "topic": "Shared insert helper generates an ID and writes evaluation fields" }, { "time": "00:02:25", "topic": "Account-filtered history query and the createdBefore comparison" }, { "time": "00:03:05", "topic": "Workflow database-save step passes model output and identifiers" }, { "time": "00:07:05", "topic": "Database initialization added inside the workflow run method" }, { "time": "00:09:05", "topic": "D1 Studio displays the persisted UNKNOWN_STATUS evaluation" } ], "video_file": "30-Building-AI-Workflows-Saving-AI-output-in-our-DB.mp4", "transcript_file": null }, { "number": 31, "title": "Saving Web Page Data in R2", "section": "Building AI Workflows", "duration": 936, "evidence": "transcript", "study_page": "/lessons/0032-cloudflare-31-saving-web-page-data-in-r2.html", "timestamps": [ { "time": "00:00:33", "topic": "Database records versus large objects" }, { "time": "00:05:15", "topic": "Creating the staging R2 bucket" }, { "time": "00:08:12", "topic": "Backup step and account-based paths" }, { "time": "00:09:25", "topic": "Connecting D1 and R2 with an evaluation ID" }, { "time": "00:12:24", "topic": "Inspecting stored text to debug missing content" } ], "video_file": "31-Building-AI-Workflows-Saving-Web-Page-Data-in-R2.mp4", "transcript_file": "31-Building-AI-Workflows-Saving-Web-Page-Data-in-R2.en.vtt" }, { "number": 32, "title": "Add Evaluation Data in UI", "section": "Building AI Workflows", "duration": 345, "evidence": "transcript", "study_page": "/lessons/0033-cloudflare-32-add-evaluation-data-in-ui.html", "timestamps": [ { "time": "00:00:29", "topic": "Shared evaluation queries" }, { "time": "00:01:13", "topic": "Replacing tRPC dummy responses" }, { "time": "00:02:35", "topic": "Cloudflare login caused remote-query trouble" }, { "time": "00:03:33", "topic": "Account-ID mismatch explains an empty list" }, { "time": "00:04:29", "topic": "Viewing real evaluation reasons and URLs" } ], "video_file": "32-Building-AI-Workflows-Add-Evaluation-Data-in-UI.mp4", "transcript_file": "32-Building-AI-Workflows-Add-Evaluation-Data-in-UI.en.vtt" }, { "number": 33, "title": "Taking Screenshot in Browser Rendering", "section": "Building AI Workflows", "duration": 208.7, "evidence": "transcript", "study_page": "/lessons/0034-cloudflare-33-taking-screenshot-in-browser-rendering.html", "timestamps": [ { "time": "00:00:18", "topic": "Using screenshots to diagnose missing content" }, { "time": "00:00:47", "topic": "Capturing and encoding the screenshot" }, { "time": "00:01:18", "topic": "Adding a screenshot R2 path" }, { "time": "00:02:00", "topic": "Converting encoded image data for upload" }, { "time": "00:02:25", "topic": "Inspecting the saved error-page screenshot" } ], "video_file": "33-Building-AI-Workflows-Taking-Screenshot-in-Browser-Rendering.mp4", "transcript_file": "33-Building-AI-Workflows-Taking-Screenshot-in-Browser-Rendering.en.vtt" }, { "number": 34, "title": "Update: Fixing issues with 1MiB Output limit", "section": "Building AI Workflows", "duration": 171.7, "evidence": "transcript", "study_page": "/lessons/0035-cloudflare-34-update-fixing-issues-with-1mib-output-limit.html", "timestamps": [ { "time": "00:00:04", "topic": "Student-reported maximum-output-size error" }, { "time": "00:00:36", "topic": "Step result persisted as workflow state" }, { "time": "00:01:09", "topic": "Moving R2 writes into the collection step" }, { "time": "00:01:38", "topic": "Returning only text and evaluation identity" }, { "time": "00:02:25", "topic": "Database query now accepts the existing ID" } ], "video_file": "34-Building-AI-Workflows-Update-Fixing-issues-with-1MiB-Output-limit.mp4", "transcript_file": "34-Building-AI-Workflows-Update-Fixing-issues-with-1MiB-Output-limit.en.vtt" }, { "number": 35, "title": "System design & How we can use Durable Objects", "section": "Managing Workflows with Durable Objects", "duration": 477.53, "evidence": "transcript", "study_page": "/lessons/0036-cloudflare-35-system-design-how-we-can-use-durable-objects.html", "timestamps": [ { "time": "00:01:14", "topic": "Reviewing the application and redirect data flow" }, { "time": "00:02:30", "topic": "Replacing manual workflow triggers" }, { "time": "00:03:07", "topic": "Avoiding an evaluation on every click" }, { "time": "00:05:22", "topic": "State plus alarms as the required capabilities" }, { "time": "00:06:13", "topic": "Independent object instances and scheduling state" } ], "video_file": "35-Managing-Workflows-with-Durable-Objects-System-design-How-we-can-use-Durable-Objects.mp4", "transcript_file": "35-Managing-Workflows-with-Durable-Objects-System-design-How-we-can-use-Durable-Objects.en.vtt" }, { "number": 36, "title": "Durable Object API", "section": "Managing Workflows with Durable Objects", "duration": 312.4, "evidence": "transcript", "study_page": "/lessons/0037-cloudflare-36-durable-object-api.html", "timestamps": [ { "time": "00:00:35", "topic": "Durable Object class and APIs" }, { "time": "00:00:59", "topic": "Memory versus persistent state" }, { "time": "00:02:15", "topic": "Key-value and SQLite storage approaches" }, { "time": "00:03:06", "topic": "Persistent counter example" }, { "time": "00:04:10", "topic": "Alarm scheduling with timestamps" } ], "video_file": "36-Managing-Workflows-with-Durable-Objects-Durable-Object-API.mp4", "transcript_file": "36-Managing-Workflows-with-Durable-Objects-Durable-Object-API.en.vtt" }, { "number": 37, "title": "Building the Base Class", "section": "Managing Workflows with Durable Objects", "duration": 824.5, "evidence": "transcript", "study_page": "/lessons/0038-cloudflare-37-building-the-base-class.html", "timestamps": [ { "time": "00:01:49", "topic": "Restoring persisted count safely" }, { "time": "00:03:02", "topic": "Increment and storage write" }, { "time": "00:05:20", "topic": "Initial Durable Object migration" }, { "time": "00:08:26", "topic": "Application identity with idFromName" }, { "time": "00:11:19", "topic": "Testing independent named counters" } ], "video_file": "37-Managing-Workflows-with-Durable-Objects-Building-the-Base-Class.mp4", "transcript_file": "37-Managing-Workflows-with-Durable-Objects-Building-the-Base-Class.en.vtt" }, { "number": 38, "title": "Full Link Click Integration with Alarms", "section": "Managing Workflows with Durable Objects", "duration": 1405.1, "evidence": "transcript", "study_page": "/lessons/0039-cloudflare-38-full-link-click-integration-with-alarms.html", "timestamps": [ { "time": "00:02:02", "topic": "Persistent click context replaces the counter" }, { "time": "00:04:52", "topic": "Schedule only when no alarm exists" }, { "time": "00:08:46", "topic": "Refining workflow input types" }, { "time": "00:13:40", "topic": "Identity combines link and destination" }, { "time": "00:19:49", "topic": "Changing the delay to twenty-four hours" } ], "video_file": "38-Managing-Workflows-with-Durable-Objects-Full-Link-Click-Integration-with-Alarms.mp4", "transcript_file": "38-Managing-Workflows-with-Durable-Objects-Full-Link-Click-Integration-with-Alarms.en.vtt" }, { "number": 39, "title": "Overview of realtime link tracking", "section": "Advanced Durable Objects", "duration": 381.2, "evidence": "transcript", "study_page": "/lessons/0040-cloudflare-39-overview-of-realtime-link-tracking.html", "timestamps": [ { "time": "00:00:05", "topic": "SQL and WebSocket learning goals" }, { "time": "00:02:09", "topic": "Account-scoped tracker design" }, { "time": "00:03:43", "topic": "Proposed startup history delivery" }, { "time": "00:05:19", "topic": "Offsets and retained state" } ], "video_file": "39-Advanced-Durable-Objects-Overview-of-realtime-link-tracking.mp4", "transcript_file": "39-Advanced-Durable-Objects-Overview-of-realtime-link-tracking.en.vtt" }, { "number": 40, "title": "Build a SQL backed Durable Object", "section": "Advanced Durable Objects", "duration": 996.2, "evidence": "transcript", "study_page": "/lessons/0041-cloudflare-40-build-a-sql-backed-durable-object.html", "timestamps": [ { "time": "00:02:17", "topic": "Create the geographic click table" }, { "time": "00:04:29", "topic": "Parameterized SQL bindings" }, { "time": "00:10:22", "topic": "Queue-first background capture" }, { "time": "00:13:21", "topic": "Correct SQLite class migration" } ], "video_file": "40-Advanced-Durable-Objects-Build-a-SQL-backed-Durable-Object.mp4", "transcript_file": "40-Advanced-Durable-Objects-Build-a-SQL-backed-Durable-Object.en.vtt" }, { "number": 41, "title": "Setting up Websockets", "section": "Advanced Durable Objects", "duration": 529.6, "evidence": "transcript", "study_page": "/lessons/0042-cloudflare-41-setting-up-websockets.html", "timestamps": [ { "time": "00:00:45", "topic": "Durable Object WebSocket handlers" }, { "time": "00:03:22", "topic": "Enumerating connected sockets" }, { "time": "00:05:12", "topic": "Creating a WebSocket pair" }, { "time": "00:08:07", "topic": "Selecting an account through headers" } ], "video_file": "41-Advanced-Durable-Objects-Setting-up-Websockets.mp4", "transcript_file": "41-Advanced-Durable-Objects-Setting-up-Websockets.en.vtt" }, { "number": 42, "title": "Connecting from the Client (Localhost)", "section": "Advanced Durable Objects", "duration": 547.2, "evidence": "transcript", "study_page": "/lessons/0043-cloudflare-42-connecting-from-the-client-localhost.html", "timestamps": [ { "time": "00:02:04", "topic": "Client hook and socket lifecycle" }, { "time": "00:04:06", "topic": "Missing account header causes failure" }, { "time": "00:05:08", "topic": "Observing socket close events" }, { "time": "00:06:41", "topic": "Planned authentication and proxy boundary" } ], "video_file": "42-Advanced-Durable-Objects-Connecting-from-the-Client-Localhost.mp4", "transcript_file": "42-Advanced-Durable-Objects-Connecting-from-the-Client-Localhost.en.vtt" }, { "number": 43, "title": "Realtime link clicks with Websockets", "section": "Advanced Durable Objects", "duration": 1052.4, "evidence": "transcript", "study_page": "/lessons/0044-cloudflare-43-realtime-link-clicks-with-websockets.html", "timestamps": [ { "time": "00:01:31", "topic": "Two-second batching alarm" }, { "time": "00:05:03", "topic": "Persistent offset initialization" }, { "time": "00:06:35", "topic": "Recent-click query helper" }, { "time": "00:10:39", "topic": "Removing older retained clicks" }, { "time": "00:14:47", "topic": "Malaysia redirect and map verification" } ], "video_file": "43-Advanced-Durable-Objects-Realtime-link-clicks-with-Websockets.mp4", "transcript_file": "43-Advanced-Durable-Objects-Realtime-link-clicks-with-Websockets.en.vtt" }, { "number": 44, "title": "Service to Service Bindings", "section": "Advanced Durable Objects", "duration": 649.4, "evidence": "transcript", "study_page": "/lessons/0045-cloudflare-44-service-to-service-bindings.html", "timestamps": [ { "time": "00:02:02", "topic": "Declaring a service binding" }, { "time": "00:05:03", "topic": "Hono socket proxy and account header" }, { "time": "00:07:05", "topic": "Local proxy connection test" }, { "time": "00:09:38", "topic": "Broadcast verification across two tabs" } ], "video_file": "44-Advanced-Durable-Objects-Service-to-Service-Bindings.mp4", "transcript_file": "44-Advanced-Durable-Objects-Service-to-Service-Bindings.en.vtt" }, { "number": 45, "title": "Create a specific stage deployment", "section": "Dev Ops & Environments", "duration": 643.9, "evidence": "transcript", "study_page": "/lessons/0046-cloudflare-45-create-a-specific-stage-deployment.html", "timestamps": [ { "time": "00:02:37", "topic": "Shared versus environment-specific settings" }, { "time": "00:04:09", "topic": "Deployment and type-generation environment selection" }, { "time": "00:05:42", "topic": "Queue consumer conflict" }, { "time": "00:08:47", "topic": "Vite environment selection" } ], "video_file": "45-Dev-Ops-Environments-Create-a-specific-stage-deployment.mp4", "transcript_file": "45-Dev-Ops-Environments-Create-a-specific-stage-deployment.en.vtt" }, { "number": 46, "title": "Creating a Production Instance", "section": "Dev Ops & Environments", "duration": 526.7, "evidence": "transcript", "study_page": "/lessons/0047-cloudflare-46-creating-a-production-instance.html", "timestamps": [ { "time": "00:00:32", "topic": "Create isolated production storage" }, { "time": "00:02:03", "topic": "Production dead-letter configuration" }, { "time": "00:04:35", "topic": "Production-specific Vite build" }, { "time": "00:06:06", "topic": "Diagnose missing production tables" } ], "video_file": "46-Dev-Ops-Environments-Creating-a-Production-Instance.mp4", "transcript_file": "46-Dev-Ops-Environments-Creating-a-Production-Instance.en.vtt" }, { "number": 47, "title": "Auto Deployments", "section": "Dev Ops & Environments", "duration": 949.63, "evidence": "transcript", "study_page": "/lessons/0048-cloudflare-47-auto-deployments.html", "timestamps": [ { "time": "00:00:00", "topic": "Connect repository to Cloudflare builds" }, { "time": "00:05:38", "topic": "Missing dependency installation" }, { "time": "00:06:38", "topic": "Missing TypeScript build dependency" }, { "time": "00:11:50", "topic": "Build variables versus runtime secrets" } ], "video_file": "47-Dev-Ops-Environments-Auto-Deployments.mp4", "transcript_file": "47-Dev-Ops-Environments-Auto-Deployments.en.vtt" }, { "number": 48, "title": "Custom Domains & Routes", "section": "Dev Ops & Environments", "duration": 929.4, "evidence": "transcript", "study_page": "/lessons/0049-cloudflare-48-custom-domains-routes.html", "timestamps": [ { "time": "00:02:32", "topic": "Custom domains versus routes" }, { "time": "00:06:07", "topic": "Wrong environment selected during stage build" }, { "time": "00:07:07", "topic": "Socket host broken after domain change" }, { "time": "00:13:13", "topic": "Reserve the /r/ redirect prefix" } ], "video_file": "48-Dev-Ops-Environments-Custom-Domains-Routes.mp4", "transcript_file": "48-Dev-Ops-Environments-Custom-Domains-Routes.en.vtt" }, { "number": 49, "title": "Auth Overview", "section": "Better Auth", "duration": 779.8, "evidence": "transcript", "study_page": "/lessons/0050-cloudflare-49-auth-overview.html", "timestamps": [ { "time": "00:02:03", "topic": "Session creation after social login" }, { "time": "00:04:06", "topic": "Reusable authentication middleware" }, { "time": "00:05:36", "topic": "Why the course chooses Better Auth" }, { "time": "00:11:16", "topic": "Schema generation and plugins" } ], "video_file": "49-Better-Auth-Auth-Overview.mp4", "transcript_file": "49-Better-Auth-Auth-Overview.en.vtt" }, { "number": 50, "title": "Configuration & Schema Creation", "section": "Better Auth", "duration": 943.7, "evidence": "transcript", "study_page": "/lessons/0051-cloudflare-50-configuration-schema-creation.html", "timestamps": [ { "time": "00:01:33", "topic": "Configuration-to-schema-to-SQL workflow" }, { "time": "00:06:10", "topic": "Generation credentials versus runtime credentials" }, { "time": "00:09:43", "topic": "Generated core authentication schemas" }, { "time": "00:13:48", "topic": "Fix package output and exports" } ], "video_file": "50-Better-Auth-Configuration-Schema-Creation.mp4", "transcript_file": "50-Better-Auth-Configuration-Schema-Creation.en.vtt" }, { "number": 51, "title": "Integration with web app", "section": "Better Auth", "duration": 1018, "evidence": "transcript", "study_page": "/lessons/0052-cloudflare-51-integration-with-web-app.html", "timestamps": [ { "time": "00:01:01", "topic": "Mount Hono authentication handler" }, { "time": "00:03:33", "topic": "Google callback URL configuration" }, { "time": "00:06:39", "topic": "Worker-first routing for auth paths" }, { "time": "00:12:47", "topic": "Dashboard before-load session guard" }, { "time": "00:15:49", "topic": "Deployed runtime secrets" } ], "video_file": "51-Better-Auth-Integration-with-web-app.mp4", "transcript_file": "51-Better-Auth-Integration-with-web-app.en.vtt" }, { "number": 52, "title": "Protecting our API Routes", "section": "Better Auth", "duration": 522, "evidence": "transcript", "study_page": "/lessons/0053-cloudflare-52-protecting-our-api-routes.html", "timestamps": [ { "time": "00:00:00", "topic": "Identify unprotected tRPC and socket endpoints" }, { "time": "00:03:02", "topic": "Apply middleware selectively" }, { "time": "00:05:06", "topic": "Validate session from request headers" }, { "time": "00:06:38", "topic": "User identity versus organization identity" } ], "video_file": "52-Better-Auth-Protecting-our-API-Routes.mp4", "transcript_file": "52-Better-Auth-Protecting-our-API-Routes.en.vtt" }, { "number": 53, "title": "Better Auth Stripe Integration", "section": "Payments with Stripe", "duration": 957.4, "evidence": "transcript", "study_page": "/lessons/0054-cloudflare-53-better-auth-stripe-integration.html", "timestamps": [ { "time": "00:01:31", "topic": "Customer mapping and plugin benefits" }, { "time": "00:05:08", "topic": "Pin matching plugin versions" }, { "time": "00:10:14", "topic": "Generate the Stripe customer-ID schema change" }, { "time": "00:12:17", "topic": "Enable and generate subscriptions" } ], "video_file": "53-Payments-with-Stripe-Better-Auth-Stripe-Integration.mp4", "transcript_file": "53-Payments-with-Stripe-Better-Auth-Stripe-Integration.en.vtt" }, { "number": 54, "title": "Creating Stripe Products", "section": "Payments with Stripe", "duration": 703.9, "evidence": "transcript", "study_page": "/lessons/0055-cloudflare-54-creating-stripe-products.html", "timestamps": [ { "time": "00:02:04", "topic": "Node dependency compatibility error" }, { "time": "00:03:37", "topic": "Simplify the Stripe helper interface" }, { "time": "00:05:10", "topic": "Verify customer creation for a fresh user" }, { "time": "00:07:11", "topic": "Create products and obtain price IDs" } ], "video_file": "54-Payments-with-Stripe-Creating-Stripe-Products.mp4", "transcript_file": "54-Payments-with-Stripe-Creating-Stripe-Products.en.vtt" }, { "number": 55, "title": "Adding Subscriptions in the User Application", "section": "Payments with Stripe", "duration": 1236.1, "evidence": "transcript", "study_page": "/lessons/0056-cloudflare-55-adding-subscriptions-in-the-user-application.html", "timestamps": [ { "time": "00:04:37", "topic": "Subscription upgrade API" }, { "time": "00:06:09", "topic": "Register subscription schema in adapter" }, { "time": "00:07:11", "topic": "Local webhook forwarding" }, { "time": "00:12:20", "topic": "Enable customer-portal plan switching" }, { "time": "00:17:24", "topic": "Cancellation and restoration" } ], "video_file": "55-Payments-with-Stripe-Adding-Subscriptions-in-the-User-Application.mp4", "transcript_file": "55-Payments-with-Stripe-Adding-Subscriptions-in-the-User-Application.en.vtt" }, { "number": 56, "title": "Deploying & Live Webhooks", "section": "Payments with Stripe", "duration": 985.37, "evidence": "transcript", "study_page": "/lessons/0057-cloudflare-56-deploying-live-webhooks.html", "timestamps": [ { "time": "00:00:00", "topic": "Separate public price IDs from secrets" }, { "time": "00:02:31", "topic": "Configure deployed webhook endpoint" }, { "time": "00:08:04", "topic": "Diagnose webhook URL typos" }, { "time": "00:09:04", "topic": "Endpoint ID versus signing secret" }, { "time": "00:12:06", "topic": "Fix missing Better Auth secret" } ], "video_file": "56-Payments-with-Stripe-Deploying-Live-Webhooks.mp4", "transcript_file": "56-Payments-with-Stripe-Deploying-Live-Webhooks.en.vtt" }, { "number": 57, "title": "Completing the 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