Logging & monitoring

Architect logs to AWS CloudWatch.

Supported runtimes

• Node console.log or any logging library that writes to stdout or stderr
• Deno console.log or any logging library that writes to stdout or stderr
• Ruby puts or any logging library that writes to stdout or stderr
• Python print or any logging library that writes to stdout or stderr

See also

• CloudWatch captures many metrics from Functional Web App primitives, especially API Gateway
• X-Ray offers deeper service call introspection capabilities
• There are many third party tools to further extend your app with structured logs

Example

Given the following app.arc file:

@app
example-app

@http
get /

To view the staging logs for the get / handler:

arc logs src/http/get-index

To view the production logs:

arc logs production src/http/get-index