Knative Showcase

The apps in this repository are used to showcase basics of Knative Serving and Eventing. The same features are implemented both in Quarkus and Express.JS frameworks.

Features

• Supports the PORT env

  PORT=3456
  # start the app... 
  http :$PORT

• /

  http :8080 user-agent:Mozilla/5.0
  # returns a nice hello page when called from Browser
  
  http :8080
  # returns a JSON with app's coordinates when called from command line
  
  http options :8080
  # returns a JSON with app's coordinates

• /hello

  http :8080/hello

  Returns a hello JSON (sequenced), and sends Cloud Event to K_SINK target. A operational delay can be enforced by using DELAY (in msec) environmental variable.

• K8s readyness and liveness probes

  http :8080/health/ready
  http :8080/health/live

• Prometeus metrics

  http :8080/metrics

• OpenAPI & Swagger UI

  http :8080/openapi.json
  http :8080/swagger-ui

• Input validation (validation by OpenAPI schema)

• Distributed Tracing