This was used for investigation of how nginx processes a request.
$ docker-compose up -d
$ curl -I http://0.0.0.0/v1/foo
HTTP/1.1 204 No Content
Server: nginx/1.17.6
Date: Sat, 18 Jan 2020 14:32:16 GMT
Connection: keep-alive
$ curl http://0.0.0.0/ping
{"status":"200","message":"Success! Woohoo!"}
$ curl -I http://0.0.0.0
HTTP/1.1 200 OK
Server: nginx/1.17.6
Date: Sat, 18 Jan 2020 14:34:41 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 57
Connection: keep-alive
$ curl http://0.0.0.0/foobar
404 page not found