A more realistic Serverless API template.

.
├── Makefile                    <-- Make to automate build
├── README.md                   <-- This instructions file
├── cmd                         <-- Used to run the code locally
├── db                          <-- DynamoDB database access code
├── handlers                    <-- HTTP handler code
├── lambda                      <-- Lambda entry point, used to run the code within AWS
├── log                         <-- Structured logging configuration
├── respond                     <-- HTTP traffic logging and standard API responses
└── serverless.yaml             <-- Serverless Framework configuration

• Run as a Docker container by packaging up the output of the cmd directory, or run Serverless.
• Uses DynamoDBLocal for local development.
• Uses standard Go HTTP library - not tied in to a specific Serverless implementation.
• JSON logging is provided by the "log" package. JSON logging allows metric extraction and analysis via CloudWatch Log Insights and CloudWatch Metrics.
• Simple HTTP handler dependency injection.
• JSON logging of HTTP response times.

Run DynamoDB local (via Docker), then run the cmd package.

• make run-dynamodb (this blocks the Shell, so run it in a seperate process).
• make run-local

make deploy-dev will build the Go code and deploy it to AWS.

• Add realistic examples of structured logging for business metrics.
• Add examples of HTTP handler unit tests, not just database integration tests.
• Add examples of JWT authorization decoding (ideally using Cognito).
• Add example of CORS middleware configuration.
• Add X-Ray configuration to allow tracing of request times downstream.