/
Dockerfile
50 lines (44 loc) · 1.66 KB
/
Dockerfile
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FROM alpine:3.8
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 18.09.0
# 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/
ENTRYPOINT ["docker-entrypoint.sh"]
CMD ["sh"]