Simple Erlang/Rebar3 Dockerfile Container Configuration

Dockerfile

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# Dockerfile BASE for Erlang and Rebar3
############################################################

FROM alpine:3.6

MAINTAINER Andrew McRobb

# Include important deps.
RUN apk update && apk add --no-cache \
	git make erlang-asn1 erlang-crypto erlang-dev erlang-dialyzer erlang-eunit erlang-inets \
	erlang-public-key erlang-sasl erlang-ssl erlang-syntax-tools erlang-tools && \
	rm -rf /var/cache/apk/*

# Download and Install rebar3 for Erlang.
WORKDIR /usr/local/src
RUN git clone https://github.com/erlang/rebar3.git
WORKDIR /usr/local/src/rebar3

RUN ./bootstrap && ./rebar3 local install


# Do a little cleanup to keep our image size down.
WORKDIR /usr/local/src
RUN	rm -rf rebar3

# Used to write our app to to avoid long build times.
VOLUME /app/


ENV PATH="/root/.cache/rebar3/bin:$PATH"

# This container won't really do anything except
# act as a wrapper for our enviroment.
ENTRYPOINT "/bin/sh"