Dockerfile

FROM erlang:19.1-slim

ENV GOSU_VERSION 1.9
RUN set -x \
    && apt-get update && apt-get install -y --no-install-recommends ca-certificates wget && rm -rf /var/lib/apt/lists/* \
    && dpkgArch="$(dpkg --print-architecture | awk -F- '{ print $NF }')" \
    && wget -O /usr/local/bin/gosu "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$dpkgArch" \
    && wget -O /usr/local/bin/gosu.asc "https://github.com/tianon/gosu/releases/download/$GOSU_VERSION/gosu-$dpkgArch.asc" \
    && export GNUPGHOME="$(mktemp -d)" \
    && gpg --keyserver ha.pool.sks-keyservers.net --recv-keys B42F6819007F00F88E364FD4036A9C25BF357DD4 \
    && gpg --batch --verify /usr/local/bin/gosu.asc /usr/local/bin/gosu \
    && rm -r "$GNUPGHOME" /usr/local/bin/gosu.asc \
    && chmod +x /usr/local/bin/gosu \
    && gosu nobody true \
    && apt-get purge -y --auto-remove ca-certificates wget

ENV ELIXIR_VERSION="v1.3.4" \
  LANG=C.UTF-8

RUN set -xe \
  && apt-get update \
  && apt-get install -y --no-install-recommends \
    autoconf \
    automake \
    bzip2 \
    ca-certificates \
    curl \
    file \
    g++ \
    gcc \
    git \
    libelf1 \
    libfontconfig \
    make \
  && rm -rf /var/lib/apt/lists/*

# Generate the elixir sha by downloading the file and running shasum:
# wget https://github.com/elixir-lang/elixir/archive/<version>.tar.gz
# shasum -a 256 <version>.tar.gz
RUN set -xe \
  && ELIXIR_DOWNLOAD_URL="https://github.com/elixir-lang/elixir/archive/${ELIXIR_VERSION#*@}.tar.gz" \
  && ELIXIR_DOWNLOAD_SHA256="f5ee5353d8dbe610b1dfd276d22f2038d57d9a7d3cea69dac10da2b098bd2033" \
  && curl -fSL -o elixir-src.tar.gz $ELIXIR_DOWNLOAD_URL \
  && echo "$ELIXIR_DOWNLOAD_SHA256 elixir-src.tar.gz" | sha256sum -c - \
  && mkdir -p /usr/src/elixir-src \
  && tar -xzf elixir-src.tar.gz -C /usr/src/elixir-src --strip-components=1 \
  && rm elixir-src.tar.gz \
  && cd /usr/src/elixir-src \
  && make -j$(nproc) \
  && make install

# gpg keys listed at https://github.com/nodejs/node
RUN set -ex \
  && for key in \
    9554F04D7259F04124DE6B476D5A82AC7E37093B \
    94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
    0034A06D9D9B0064CE8ADF6BF1747F4AD2306D93 \
    FD3A5288F042B6850C66B31F09FE44734EB7990E \
    71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
    DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
    B9AE9905FFD7803F25714661B63B535A4C206CA9 \
    C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
  ; do \
    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
  done

ENV NODE_VERSION 6.5.0

RUN buildDeps='\
      xz-utils' \
    && set -x \
    && apt-get update && apt-get install -y $buildDeps --no-install-recommends \
    && rm -rf /var/lib/apt/lists/* \
    && curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-x64.tar.xz" \
    && curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/SHASUMS256.txt.asc" \
    && gpg --batch --decrypt --output SHASUMS256.txt SHASUMS256.txt.asc \
    && grep " node-v$NODE_VERSION-linux-x64.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
    && tar -xJf "node-v$NODE_VERSION-linux-x64.tar.xz" -C /usr/local --strip-components=1 \
    && rm "node-v$NODE_VERSION-linux-x64.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
    && apt-get purge -y --auto-remove $buildDeps

# Install yarn
RUN set -xe \
  && apt-key adv --keyserver pgp.mit.edu --recv D101F7899D41F3C3\
  && echo "deb http://dl.yarnpkg.com/debian/ stable main" > /etc/apt/sources.list.d/yarn.list \
  && apt-get update && apt-get install -y yarn --no-install-recommends

# Enable unsafe-perm so npm doesn't override our TMPDIR like a fool
# https://github.com/npm/npm/issues/13325
RUN npm config set unsafe-perm true

COPY entrypoint.sh /usr/local/bin/entrypoint.sh
ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]

CMD ["iex"]