Dockerfile

FROM maven:3-jdk-8-alpine
RUN apk add --no-cache \
        ca-certificates
# set up nsswitch.conf for Go's "netgo" implementation (which Docker explicitly uses)
# - https://github.com/docker/docker-ce/blob/v17.09.0-ce/components/engine/hack/make.sh#L149
# - https://github.com/golang/go/blob/go1.9.1/src/net/conf.go#L194-L275
# - docker run --rm debian:stretch grep '^hosts:' /etc/nsswitch.conf
RUN [ ! -e /etc/nsswitch.conf ] && echo 'hosts: files dns' > /etc/nsswitch.conf

ENV DOCKER_CHANNEL stable
ENV DOCKER_VERSION 18.09.5
# TODO ENV DOCKER_SHA256
# https://github.com/docker/docker-ce/blob/5b073ee2cf564edee5adca05eee574142f7627bb/components/packaging/static/hash_files !!
# (no SHA file artifacts on download.docker.com yet as of 2017-06-07 though)

RUN set -eux; \
    \
# this "case" statement is generated via "update.sh"
    apkArch="$(apk --print-arch)"; \
    case "$apkArch" in \
        x86_64) dockerArch='x86_64' ;; \
        armhf) dockerArch='armel' ;; \
        aarch64) dockerArch='aarch64' ;; \
        ppc64le) dockerArch='ppc64le' ;; \
        s390x) dockerArch='s390x' ;; \
        *) echo >&2 "error: unsupported architecture ($apkArch)"; exit 1 ;;\
    esac; \
    \
    if ! wget -O docker.tgz "https://download.docker.com/linux/static/${DOCKER_CHANNEL}/${dockerArch}/docker-${DOCKER_VERSION}.tgz"; then \
        echo >&2 "error: failed to download 'docker-${DOCKER_VERSION}' from '${DOCKER_CHANNEL}' for '${dockerArch}'"; \
        exit 1; \
    fi; \
    \
    tar --extract \
        --file docker.tgz \
        --strip-components 1 \
        --directory /usr/local/bin/ \
    ; \
    rm docker.tgz; \
    \
    dockerd --version; \
    docker --version

COPY modprobe.sh /usr/local/bin/modprobe
COPY docker-entrypoint.sh /usr/local/bin/
COPY settings.xml /usr/share/maven/ref/

ENV NODE_VERSION 8.11.4

RUN addgroup -g 1000 node \
    && adduser -u 1000 -G node -s /bin/sh -D node \
    && apk add --no-cache \
        libstdc++ \
    && apk add --no-cache --virtual .build-deps \
        binutils-gold \
        curl \
        bash \
        g++ \
        gcc \
        gnupg \
        libgcc \
        linux-headers \
        make \
        python \
  # gpg keys listed at https://github.com/nodejs/node#release-keys
  && for key in \
    94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
    FD3A5288F042B6850C66B31F09FE44734EB7990E \
    71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
    DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
    C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
    B9AE9905FFD7803F25714661B63B535A4C206CA9 \
    77984A986EBC2AA786BC0F66B01FBB92821C587A \
    8FCCA13FEF1D0C2E91008E09770F7A9A5AE15600 \
    4ED778F539E3634C779C87C6D7062848A1AB005C \
    A48C2BEE680E841632CD4E44F07496B3EB3C1762 \
    B9E2F5981AA6E0CD28160D9FF13993A75599653C \
  ; do \
    gpg --batch --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" || \
    gpg --batch --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" || \
    gpg --batch --keyserver hkp://pgp.mit.edu:80 --recv-keys "$key" ; \
  done \
    && curl -fsSLO --compressed "https://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION.tar.xz" \
    && curl -fsSLO --compressed "https://nodejs.org/dist/v$NODE_VERSION/SHASUMS256.txt.asc" \
    && gpg --batch --decrypt --output SHASUMS256.txt SHASUMS256.txt.asc \
    && grep "node-v$NODE_VERSION.tar.xz\$" SHASUMS256.txt | sha256sum -c - \
    && tar -xf "node-v$NODE_VERSION.tar.xz" \
    && cd "node-v$NODE_VERSION" \
    && ./configure \
    && make -j$(getconf _NPROCESSORS_ONLN) V= \
    && make install \
    && apk del .build-deps \
    && cd .. \
    && rm -Rf "node-v$NODE_VERSION" \
    && rm "node-v$NODE_VERSION.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt

ENV YARN_VERSION 1.15.2

RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg tar \
  && for key in \
    6A010C5166006599AA17F08146C2130DFD2497F5 \
  ; do \
    gpg --batch --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys "$key" || \
    gpg --batch --keyserver hkp://ipv4.pool.sks-keyservers.net --recv-keys "$key" || \
    gpg --batch --keyserver hkp://pgp.mit.edu:80 --recv-keys "$key" ; \
  done \
  && curl -fsSLO --compressed "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-v$YARN_VERSION.tar.gz" \
  && curl -fsSLO --compressed "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-v$YARN_VERSION.tar.gz.asc" \
  && gpg --batch --verify yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
  && mkdir -p /opt \
  && tar -xzf yarn-v$YARN_VERSION.tar.gz -C /opt/ \
  && ln -s /opt/yarn-v$YARN_VERSION/bin/yarn /usr/local/bin/yarn \
  && ln -s /opt/yarn-v$YARN_VERSION/bin/yarnpkg /usr/local/bin/yarnpkg \
  && rm yarn-v$YARN_VERSION.tar.gz.asc yarn-v$YARN_VERSION.tar.gz \
  && apk del .build-deps-yarn
  
ENTRYPOINT ["docker-entrypoint.sh"]
CMD ["sh"]