The example creates a chain of one function that waits for POST commands matching a given host addressed to the balancer HTTP end-point and replies with a 200 OK.
First, build the http_processor WASM binary following the instructions.
Then you can start the workflow:
target/debug/edgeless_cli workflow start examples/http_ingress/workflow.json
and verify that it works with curl:
curl -H "Host: demo.edgeless.com" -XPOST http://127.0.0.1:7035/hello