# Used by:
#  - GitLab CE/EE Review: https://gitlab.com/gitlab-org/gitlab/-/blob/master/.gitlab/ci/review.gitlab-ci.yml
#  - Nightly QA: https://gitlab.com/gitlab-org/quality/nightly/blob/master/.gitlab-ci.yml
#  - QA Pipeline Common: https://gitlab.com/gitlab-org/quality/pipeline-common/-/blob/master/ci/qa.yml, https://gitlab.com/gitlab-org/quality/pipeline-common/-/blob/master/ci/qa-scheduled.yml

FROM ruby:2.7-alpine
MAINTAINER GitLab Quality Team

WORKDIR /home/qa

ENV DOCKER_VERSION="20.10.2"
ENV DOCKER_ARCHIVE="docker-${DOCKER_VERSION}.tgz"
ENV DOCKER_URL="https://download.docker.com/linux/static/stable/x86_64/${DOCKER_ARCHIVE}"
ENV DOCKER_CHECKSUM="893e0b05e347dee1d857022181831c6ec3798e9a49fda9a319b2f5a6fb79c42d"
ENV DOCKER_BIN="/usr/local/bin/docker"

# Install dependencies
RUN apk --no-cache add -U openssl tar gzip bash ca-certificates build-base curl && mkdir -p /opt

RUN wget -q ${DOCKER_URL} && \
    tar -zxf ${DOCKER_ARCHIVE} && \
    mv docker/docker ${DOCKER_BIN} && \
    echo "${DOCKER_CHECKSUM}  ${DOCKER_BIN}" | sha256sum -c - && \
    rm ${DOCKER_ARCHIVE}