Node - Go dockerfile

FROM golang:1.8.5-stretch

RUN set -ex; \
    apt-get update; \
    apt-get install -y --no-install-recommends \
        autoconf \
        automake \
        bzip2 \
        dpkg-dev \
        file \
        g++ \
        gcc \
        imagemagick \
        libbz2-dev \
        libc6-dev \
        libcurl4-openssl-dev \
        libdb-dev \
        libevent-dev \
        libffi-dev \
        libgdbm-dev \
        libgeoip-dev \
        libglib2.0-dev \
        libjpeg-dev \
        libkrb5-dev \
        liblzma-dev \
        libmagickcore-dev \
        libmagickwand-dev \
        libncurses5-dev \
        libncursesw5-dev \
        libpng-dev \
        libpq-dev \
        libreadline-dev \
        libsqlite3-dev \
        libssl-dev \
        libtool \
        libwebp-dev \
        libxml2-dev \
        libxslt-dev \
        libyaml-dev \
        make \
        patch \
        xz-utils \
        zlib1g-dev \
        \
# https://lists.debian.org/debian-devel-announce/2016/09/msg00000.html
        $( \
# if we use just "apt-cache show" here, it returns zero because "Can't select versions from package 'libmysqlclient-dev' as it is purely virtual", hence the pipe to grep
            if apt-cache show 'default-libmysqlclient-dev' 2>/dev/null | grep -q '^Version:'; then \
                echo 'default-libmysqlclient-dev'; \
            else \
                echo 'libmysqlclient-dev'; \
            fi \
        ) \
    ; \
    rm -rf /var/lib/apt/lists/*
    
RUN groupadd --gid 1000 node \
  && useradd --uid 1000 --gid node --shell /bin/bash --create-home node

# gpg keys listed at https://github.com/nodejs/node#release-team
RUN set -ex \
  && for key in \
    94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
    FD3A5288F042B6850C66B31F09FE44734EB7990E \
    71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
    DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
    C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
    B9AE9905FFD7803F25714661B63B535A4C206CA9 \
    56730D5401028683275BD23C23EFEFE93C4CFFFE \
    77984A986EBC2AA786BC0F66B01FBB92821C587A \
  ; do \
    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
    gpg --keyserver keyserver.pgp.com --recv-keys "$key" || \
    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" ; \
  done

ENV NODE_VERSION 8.9.3

RUN ARCH= && dpkgArch="$(dpkg --print-architecture)" \
  && case "${dpkgArch##*-}" in \
    amd64) ARCH='x64';; \
    ppc64el) ARCH='ppc64le';; \
    s390x) ARCH='s390x';; \
    arm64) ARCH='arm64';; \
    armhf) ARCH='armv7l';; \
    i386) ARCH='x86';; \
    *) echo "unsupported architecture"; exit 1 ;; \
  esac \
  && curl -SLO "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-$ARCH.tar.xz" \
  && curl -SLO --compressed "https://nodejs.org/dist/v$NODE_VERSION/SHASUMS256.txt.asc" \
  && gpg --batch --decrypt --output SHASUMS256.txt SHASUMS256.txt.asc \
  && grep " node-v$NODE_VERSION-linux-$ARCH.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
  && tar -xJf "node-v$NODE_VERSION-linux-$ARCH.tar.xz" -C /usr/local --strip-components=1 --no-same-owner \
  && rm "node-v$NODE_VERSION-linux-$ARCH.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt \
  && ln -s /usr/local/bin/node /usr/local/bin/nodejs

ENV YARN_VERSION 1.3.2

RUN set -ex \
  && for key in \
    6A010C5166006599AA17F08146C2130DFD2497F5 \
  ; do \
    gpg --keyserver pgp.mit.edu --recv-keys "$key" || \
    gpg --keyserver keyserver.pgp.com --recv-keys "$key" || \
    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key" ; \
  done \
  && curl -fSLO --compressed "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-v$YARN_VERSION.tar.gz" \
  && curl -fSLO --compressed "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-v$YARN_VERSION.tar.gz.asc" \
  && gpg --batch --verify yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
  && mkdir -p /opt/yarn \
  && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/yarn --strip-components=1 \
  && ln -s /opt/yarn/bin/yarn /usr/local/bin/yarn \
  && ln -s /opt/yarn/bin/yarn /usr/local/bin/yarnpkg \
  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz