Dockerfile

FROM jenkins/jnlp-slave:3.16-1-alpine
ARG GOSU_VERSION=1.10
ARG DOCKER_VERSION=17.09.0-ce
ARG TINY_VERSION=0.16.1
USER root

RUN ALPINE_GLIBC_BASE_URL="https://github.com/sgerrand/alpine-pkg-glibc/releases/download" && \
    ALPINE_GLIBC_PACKAGE_VERSION="2.26-r0" && \
    ALPINE_GLIBC_BASE_PACKAGE_FILENAME="glibc-$ALPINE_GLIBC_PACKAGE_VERSION.apk" && \
    ALPINE_GLIBC_BIN_PACKAGE_FILENAME="glibc-bin-$ALPINE_GLIBC_PACKAGE_VERSION.apk" && \
    ALPINE_GLIBC_I18N_PACKAGE_FILENAME="glibc-i18n-$ALPINE_GLIBC_PACKAGE_VERSION.apk" && \
    apk add --no-cache --virtual=.build-dependencies wget ca-certificates && \
    wget -q \
        "https://raw.githubusercontent.com/andyshinn/alpine-pkg-glibc/master/sgerrand.rsa.pub" \
        -O "/etc/apk/keys/sgerrand.rsa.pub" && \
    wget -q \
        "$ALPINE_GLIBC_BASE_URL/$ALPINE_GLIBC_PACKAGE_VERSION/$ALPINE_GLIBC_BASE_PACKAGE_FILENAME" \
        "$ALPINE_GLIBC_BASE_URL/$ALPINE_GLIBC_PACKAGE_VERSION/$ALPINE_GLIBC_BIN_PACKAGE_FILENAME" \
        "$ALPINE_GLIBC_BASE_URL/$ALPINE_GLIBC_PACKAGE_VERSION/$ALPINE_GLIBC_I18N_PACKAGE_FILENAME" && \
    apk add --no-cache \
        "$ALPINE_GLIBC_BASE_PACKAGE_FILENAME" \
        "$ALPINE_GLIBC_BIN_PACKAGE_FILENAME" \
        "$ALPINE_GLIBC_I18N_PACKAGE_FILENAME" && \
    \
    rm "/etc/apk/keys/sgerrand.rsa.pub" && \
    /usr/glibc-compat/bin/localedef -i en_US -f UTF-8 en_US.UTF-8 && \
    echo "export LANG=en_US.UTF-8" > /etc/profile.d/locale.sh && \
    \
    apk del glibc-i18n && \
    \
    apk del .build-dependencies && \
    rm \
        "$ALPINE_GLIBC_BASE_PACKAGE_FILENAME" \
        "$ALPINE_GLIBC_BIN_PACKAGE_FILENAME" \
        "$ALPINE_GLIBC_I18N_PACKAGE_FILENAME"
ENV LANG=en_US.UTF-8

RUN apk add --no-cache curl shadow && \
    curl -SsLo /usr/bin/gosu https://github.com/tianon/gosu/releases/download/${GOSU_VERSION}/gosu-amd64 && \
    chmod +x /usr/bin/gosu && \
    curl -SsLo /usr/bin/tiny https://github.com/krallin/tini/releases/download/v${TINY_VERSION}/tini-amd64 && \
    chmod +x /usr/bin/tiny
    

RUN curl -SsLo /tmp/docker.tar.gz https://download.docker.com/linux/static/stable/x86_64/docker-${DOCKER_VERSION}.tgz && \
    tar -xzf /tmp/docker.tar.gz -C /tmp && \
    mv /tmp/docker/docker /usr/bin/docker && \
    rm -rf /tmp/docker /tmp/docker.tar.gz && \
    /env/bin/pip install docker-compose

COPY entrypoint.sh /entrypoint.sh

ENTRYPOINT [ "tiny", "--", "/entrypoint.sh" ]