Forked from dinghy-http-proxy for SSL support. Not pushed upstream since the solution here is temporary.
Login, build, and push:
$ docker login docker.io
$ docker build -t docker.io/freedomben/dory-http-proxy:2.5.8.1 -t docker.io/freedomben/dory-http-proxy:latest .
$ docker push docker.io/freedomben/dory-http-proxy:2.5.8.1
$ docker push docker.io/freedomben/dory-http-proxy:latest