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New approach to Gogs Docker Container

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- VOLUME for ‘/data’
- Usage of S6 as PID 1 Process
- Usage of ‘socat’ so linked container (like databases) are binded to
localhost
- OpenSSH, Socat Link and Gogs are supervised using S6
- Size of container reduced to ~75Mo
This commit is contained in:
Jean-Philippe Roemer
2015-10-02 10:56:36 +01:00
parent e0a099ec11
commit e63e0b3105
8 changed files with 115 additions and 90 deletions
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65
Dockerfile
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@@ -1,54 +1,31 @@
FROM google/debian:wheezy
MAINTAINER u@gogs.io
FROM alpine:3.2
MAINTAINER roemer.jp@gmail.com
RUN echo "deb http://ftp.debian.org/debian/ wheezy-backports main" >> /etc/apt/sources.list && \
apt-get update -qqy && \
apt-get install --no-install-recommends -qqy \
curl build-essential ca-certificates git \
openssh-server libpam-dev && \
apt-get autoclean && \
apt-get autoremove && \
rm -rf /var/lib/apt/lists/*
# Install system utils & Gogs runtime dependencies
ADD https://github.com/tianon/gosu/releases/download/1.5/gosu-amd64 /usr/sbin/gosu
RUN echo "@edge http://dl-4.alpinelinux.org/alpine/edge/main" | tee -a /etc/apk/repositories \
&& echo "@community http://dl-4.alpinelinux.org/alpine/edge/community" | tee -a /etc/apk/repositories \
&& apk -U --no-progress upgrade \
&& apk -U --no-progress add ca-certificates git linux-pam s6@edge curl openssh socat \
&& chmod +x /usr/sbin/gosu
ENV GOROOT /goroot
ENV GOPATH /gopath
ENV PATH $PATH:$GOROOT/bin:$GOPATH/bin
# Configure SSH
COPY docker/sshd_config /etc/ssh/sshd_config
COPY . /gopath/src/github.com/gogits/gogs/
WORKDIR /gopath/src/github.com/gogits/gogs/
# Build binary and clean up useless files
RUN mkdir /goroot && \
curl https://storage.googleapis.com/golang/go1.5.linux-amd64.tar.gz | tar xzf - -C /goroot --strip-components=1 && \
go get -v -tags "sqlite redis memcache cert pam" && \
go build -tags "sqlite redis memcache cert pam" && \
mkdir /app/ && \
mv /gopath/src/github.com/gogits/gogs/ /app/gogs/ && \
rm -r $GOROOT $GOPATH
# Configure Go and build Gogs
ENV GOPATH /tmp/go
ENV PATH $PATH:$GOPATH/bin
COPY . /app/gogs/
WORKDIR /app/gogs/
RUN ./docker/build.sh
RUN useradd --shell /bin/bash --system --comment gogits git
# SSH login fix, otherwise user is kicked off after login
RUN mkdir /var/run/sshd && \
sed 's@session\s*required\s*pam_loginuid.so@session optional pam_loginuid.so@g' -i /etc/pam.d/sshd && \
sed 's@UsePrivilegeSeparation yes@UsePrivilegeSeparation no@' -i /etc/ssh/sshd_config && \
echo "export VISIBLE=now" >> /etc/profile && \
echo "PermitUserEnvironment yes" >> /etc/ssh/sshd_config
# Setup server keys on startup
RUN sed 's@^HostKey@\#HostKey@' -i /etc/ssh/sshd_config && \
echo "HostKey /data/ssh/ssh_host_key" >> /etc/ssh/sshd_config && \
echo "HostKey /data/ssh/ssh_host_rsa_key" >> /etc/ssh/sshd_config && \
echo "HostKey /data/ssh/ssh_host_dsa_key" >> /etc/ssh/sshd_config && \
echo "HostKey /data/ssh/ssh_host_ecdsa_key" >> /etc/ssh/sshd_config && \
echo "HostKey /data/ssh/ssh_host_ed25519_key" >> /etc/ssh/sshd_config
# Prepare data
ENV GOGS_CUSTOM /data/gogs
# Create git user for Gogs
RUN adduser -D -g 'Gogs Git User' git -h /data/git/ -s /bin/sh && passwd -u git
RUN echo "export GOGS_CUSTOM=/data/gogs" >> /etc/profile
VOLUME ["/data"]
EXPOSE 22 3000
ENTRYPOINT []
CMD ["./docker/start.sh"]
CMD ["./docker/start.sh"]