Add debian image

Dockerfile.debian

@@ -0,0 +1,66 @@
+FROM debian:9.2
+
+# Install system utils & Gogs runtime dependencies
+ADD https://github.com/tianon/gosu/releases/download/1.10/gosu-amd64 /usr/sbin/gosu
+RUN chmod +x /usr/sbin/gosu && \
+    apt update -q && \
+    apt install -y \
+     inetutils-syslogd \
+      build-essential \
+      ca-certificates \
+      curl \
+      wget \
+      git \
+      openssh-server \
+      openssh-client \
+      socat \
+      uidmap \
+      login \
+      passwd \
+      tzdata
+
+# NOTE: Symlink `syslogd` and fake `/dev/xconsole` since we don't have that.
+RUN ln -s /usr/sbin/syslogd /sbin/syslogd && \
+    mknod -m 640 /dev/xconsole p
+
+# NOTE: Install `skalibs`
+ADD https://skarnet.org/software/skalibs/skalibs-2.6.0.2.tar.gz /tmp/skalibs
+RUN cd /tmp/skalibs/skalibs-2.6.0.2 && \
+    ./configure && make && make install && \
+    cd -
+
+# NOTE: Install `execline`
+ADD https://skarnet.org/software/execline/execline-2.3.0.3.tar.gz /tmp/execline
+RUN cd /tmp/execline/execline-2.3.0.3 && \
+    ./configure && make && make install && \
+    cd -
+
+# NOTE: Install `s6`
+ADD https://skarnet.org/software/s6/s6-2.6.1.1.tar.gz /tmp/s6
+RUN cd /tmp/s6/s6-2.6.1.1 && \
+    ./configure && make && make install && \
+    cd -
+
+ENV GOGS_CUSTOM /data/gogs
+
+# Configure LibC Name Service
+COPY docker/nsswitch.conf /etc/nsswitch.conf
+COPY docker /app/gogs/docker
+COPY templates /app/gogs/templates
+COPY public /app/gogs/public
+
+WORKDIR /app/gogs/build
+COPY . .
+
+RUN chmod +x ./docker/build-go-debian.sh \
+             ./docker/build-debian.sh \
+             ./docker/finalize.sh && \
+    ./docker/build-go-debian.sh \
+    && ./docker/build-debian.sh \
+    && ./docker/finalize.sh
+
+# Configure Docker Container
+VOLUME ["/data"]
+EXPOSE 22 3000
+ENTRYPOINT ["/app/gogs/docker/start.sh"]
+CMD ["/bin/s6-svscan", "/app/gogs/docker/s6/"]

docker/build-debian.sh

@@ -0,0 +1,29 @@
+#!/bin/sh
+set -x
+set -e
+
+# Set temp environment vars
+export GOPATH=/tmp/go
+export PATH=/usr/local/go/bin:${PATH}:${GOPATH}/bin
+export GO15VENDOREXPERIMENT=1
+
+# Install build deps
+apt install -y libpam0g-dev
+
+# Build Gogs
+mkdir -p ${GOPATH}/src/github.com/gogits/
+ln -s /app/gogs/build ${GOPATH}/src/github.com/gogits/gogs
+cd ${GOPATH}/src/github.com/gogits/gogs
+# Needed since git 2.9.3 or 2.9.4
+git config --global http.https://gopkg.in.followRedirects true
+make build TAGS="sqlite cert pam"
+
+# Cleanup GOPATH
+rm -r $GOPATH
+
+# Create git user for Gogs
+addgroup --system git
+useradd -o -u 0 -g git -M git -d /data/git -s /bin/bash && \
+    usermod -p '*' git && \
+    passwd -u git
+echo "export GOGS_CUSTOM=${GOGS_CUSTOM}" >> /etc/profile

docker/build-go-debian.sh

@@ -0,0 +1,31 @@
+#!/bin/sh
+# Build GO version as specified in Dockerfile
+
+set -x
+set -e
+
+# Components versions
+export GOLANG_VERSION="1.8"
+export GOLANG_SRC_URL="https://golang.org/dl/go$GOLANG_VERSION.src.tar.gz"
+export GOLANG_SRC_SHA256="406865f587b44be7092f206d73fc1de252600b79b3cacc587b74b5ef5c623596"
+
+
+# Install build tools
+apt install -y gcc musl-dev openssl golang-go
+
+export GOROOT_BOOTSTRAP="$(go env GOROOT)"
+
+# Download Go
+wget -q "$GOLANG_SRC_URL" -O golang.tar.gz
+echo "$GOLANG_SRC_SHA256  golang.tar.gz" | sha256sum -c -
+tar -C /usr/local -xzf golang.tar.gz
+rm golang.tar.gz
+
+# Build
+cd /usr/local/go/src
+# see https://golang.org/issue/14851
+patch -p2 -i /app/gogs/build/docker/no-pic.patch
+./make.bash
+
+# Clean
+rm /app/gogs/build/docker/*.patch

docker/s6/openssh/run

@@ -1,7 +1,25 @@
 #!/bin/sh
 
-if test -f ./setup; then
-    source ./setup
+# Check if host keys are present, else create them
+if ! test -f /data/ssh/ssh_host_rsa_key; then
+    ssh-keygen -q -f /data/ssh/ssh_host_rsa_key -N '' -t rsa
 fi
 
+if ! test -f /data/ssh/ssh_host_dsa_key; then
+    ssh-keygen -q -f /data/ssh/ssh_host_dsa_key -N '' -t dsa
+fi
+
+if ! test -f /data/ssh/ssh_host_ecdsa_key; then
+    ssh-keygen -q -f /data/ssh/ssh_host_ecdsa_key -N '' -t ecdsa
+fi
+
+if ! test -f /data/ssh/ssh_host_ed25519_key; then
+    ssh-keygen -q -f /data/ssh/ssh_host_ed25519_key -N '' -t ed25519
+fi
+
+# Set correct right to ssh keys
+chown -R root:root /data/ssh/*
+chmod 0700 /data/ssh
+chmod 0600 /data/ssh/*
+
 exec gosu root /usr/sbin/sshd -D -f /app/gogs/docker/sshd_config

docker/s6/syslogd/run

@@ -4,4 +4,9 @@ if test -f ./setup; then
     source ./setup
 fi
 
-exec gosu root /sbin/syslogd -nS -O-
+if [ "$(grep -Ei 'debian' /etc/*release)" ]; then
+    exec gosu root /sbin/syslogd -nS
+else
+    exec gosu root /sbin/syslogd -nS -O-
+fi
+