docker-centos7-dind-node/Dockerfile at master · CubedHost/docker-centos7-dind-node · GitHub

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FROM cubedhost/centos7-node:node16

ENV DOCKER_CHANNEL stable
ENV DOCKER_VERSION 18.06.1-ce

# Docker deps
RUN set -ex; \
    yum -y install \
    btrfs-progs \
    e2fsprogs \
    e2fsprogs-extra \
    iptables \
    xfsprogs \
    xz \
    ca-certificates \
    curl \
    tar \
    libressl \
# Additional deps
    rsync \
    wget \
    which \
    iproute

RUN set -ex; \
    export DOCKER_ARCH=$(arch); \
	curl -fL -o docker.tgz "https://download.docker.com/linux/static/${DOCKER_CHANNEL}/${DOCKER_ARCH}/docker-${DOCKER_VERSION}.tgz" && \
	tar xvf docker.tgz \
		--strip-components 1 \
		--directory /usr/local/bin/ && \
	rm docker.tgz; \
	dockerd -v; \
	docker -v

# set up subuid/subgid so that "--userns-remap=default" works out-of-the-box
RUN set -ex \
	&& groupadd dockremap \
	&& useradd -g dockremap dockremap \
	&& echo 'dockremap:165536:65536' >> /etc/subuid \
	&& echo 'dockremap:165536:65536' >> /etc/subgid

ENV DIND_COMMIT 3b5fac462d21ca164b3778647420016315289034

RUN set -ex; \
	wget -O /usr/local/bin/dind "https://raw.githubusercontent.com/docker/docker/${DIND_COMMIT}/hack/dind" && \
	chmod +x /usr/local/bin/dind

COPY dockerd-entrypoint.sh /usr/local/bin/
RUN set -ex ;\
    chmod +x /usr/local/bin/dockerd-entrypoint.sh

VOLUME /var/lib/docker
EXPOSE 2375

ENTRYPOINT ["dockerd-entrypoint.sh"]
CMD []