New approach to Gogs Docker Container

- 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

docker/s6/openssh/run

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+if ! test -d /data/ssh
+then
+	mkdir -p /data/ssh
+	ssh-keygen -q -f /data/ssh/ssh_host_key -N '' -t rsa1
+	ssh-keygen -q -f /data/ssh/ssh_host_rsa_key -N '' -t rsa
+	ssh-keygen -q -f /data/ssh/ssh_host_dsa_key -N '' -t dsa
+	ssh-keygen -q -f /data/ssh/ssh_host_ecdsa_key -N '' -t ecdsa
+	ssh-keygen -q -f /data/ssh/ssh_host_ed25519_key -N '' -t ed25519
+	chown -R root:root /data/ssh/*
+	chmod 600 /data/ssh/*
+fi
+
+exec gosu root /usr/sbin/sshd -D -f /etc/ssh/sshd_config