Simple Elm base image
Simple
How to use this image
run repl directly:
$ docker build -t myelm .
$ docker run -it --rm myelm elm-repl
run reactor directly on default port:
$ docker build -t myelm .
$ docker run -it --rm myelm elm-reactor
run reactor directly on another port:
$ docker build -t myelm --build-arg ELM_PORT=9000 .
$ docker run -it --rm myelm elm-reactor -p 9000