To run the server:
cargo runTo test a GET:
curl http://localhost:9000To test a POST:
curl -d '{"hello": "world"}' \
-H'content-type: application/json' \
-H'ce-specversion: 1.0' \
-H'ce-id: 1' \
-H'ce-source: http://cloudevents.io' \
-H'ce-type: dev.knative.example' \
http://localhost:9000