Helpful Serverless Framework Tutorials
September 14, 2026 · SleekDeploy Team
When to use AppSync instead of a GraphQL server in Lambda, and a full Serverless Framework V4 build: JS resolvers over DynamoDB, Cognito field authorization, pipeline resolvers, batched N+1 fixes, subscriptions, caching, and depth limits.
Read moreSeptember 11, 2026 · SleekDeploy Team
The data-layer tutorial: derive access patterns first, model one table with generic PK/SK keys, add sparse GSIs, declare it in Serverless Framework V4 with streams and PITR, and avoid the scans and hot partitions that wreck serverless APIs.
Read moreSeptember 10, 2026 · SleekDeploy Team
Stop POSTing files through API Gateway. Presigned POST with size and content-type conditions, S3 notifications buffered through SQS, a Sharp processor on arm64 with partial batch failures, DLQs and lifecycle rules.
Read moreSeptember 9, 2026 · SleekDeploy Team
When to use an API Gateway WebSocket API versus Lambda response streaming, with Serverless Framework V4 config for auth on $connect, a DynamoDB connection table, fan-out that survives GoneException, and streaming Function URLs.
Read moreSeptember 9, 2026 · SleekDeploy Team
When a chain of Lambdas stops being a good idea: modelling multi-step business processes as Step Functions state machines with the Serverless Framework — Standard vs Express, retries, saga compensation, Distributed Map, and the JSONata/variables features that removed most of the glue Lambdas.
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