bitbucket pipelines + mysql + rails + cache

Dockerfile

FROM ruby:2.4.0
MAINTAINER liquid team <[email protected]>

ENV DEBIAN_FRONTEND=noninteractive

RUN apt-get update -q &&\
    apt-get upgrade -y -q &&\
    apt-get install -y curl software-properties-common curl  &&\
    curl -sL https://deb.nodesource.com/setup_7.x | bash &&\
    apt-get -y install nodejs mysql-server mysql-client libmysqlclient-dev --no-install-recommends

# skip installing gem documentation
RUN mkdir -p /usr/local/etc \
    && { \
        echo 'install: --no-document'; \
        echo 'update: --no-document'; \
    } >> /usr/local/etc/gemrc


ENV GEM_HOME /usr/local/bundle
ENV BUNDLE_PATH="$GEM_HOME" \
    BUNDLE_BIN="$GEM_HOME/bin" \
    BUNDLE_SILENCE_ROOT_WARNING=1 \
    BUNDLE_APP_CONFIG="$GEM_HOME"
ENV PATH $BUNDLE_BIN:$PATH
RUN mkdir -p "$GEM_HOME" "$BUNDLE_BIN" \
    && chmod 777 "$GEM_HOME" "$BUNDLE_BIN"

COPY Gemfile Gemfile.lock ./tmp/

RUN cd /tmp && bundle install

# Don't forget to cleanup after our ourselves
RUN apt-get clean &&\
    apt-get -y -q autoclean &&\
    apt-get -y -q autoremove &&\
    rm -rf /tmp/* &&\
    rm -rf /var/lib/apt/lists/*