initial creation

Dockerfile

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+FROM ubuntu:12.04
+MAINTAINER sameer@damagehead.com
+ENV DEBIAN_FRONTEND noninteractive
+
+RUN sed 's/main$/main universe/' -i /etc/apt/sources.list
+RUN apt-get update # 20140409
+
+# Fix some issues with APT packages.
+# See https://github.com/dotcloud/docker/issues/1024
+RUN dpkg-divert --local --rename --add /sbin/initctl && \
+		ln -sf /bin/true /sbin/initctl
+
+# essentials
+RUN apt-get install -y vim curl wget sudo net-tools pwgen unzip \
+			logrotate supervisor openssh-server && apt-get clean
+
+# build tools
+# RUN apt-get install -y gcc make && apt-get clean
+
+# image specific
+RUN apt-get install -y postgresql-9.1 postgresql-client-9.1 && apt-get clean
+
+ADD assets/ /app/
+RUN mv /app/.vimrc /app/.bash_aliases /root/
+RUN chmod 755 /app/init /app/setup/install && /app/setup/install
+
+ADD authorized_keys /root/.ssh/
+RUN chmod 700 /root/.ssh && chmod 600 /root/.ssh/authorized_keys && chown root:root -R /root/.ssh
+
+EXPOSE 22
+EXPOSE 5432
+
+ENTRYPOINT ["/app/init"]
+CMD ["app:start"]

assets/.bash_aliases

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+PS1='${debian_chroot:+($debian_chroot)}[\u@\h \W]# '
+
+alias rm='rm -i'
+alias cp='cp -i'
+

assets/.vimrc

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+se ai
+se sw=2 ts=2

assets/init

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+#!/bin/bash
+
+set -e
+
+# generate a password for root.
+ROOT_PASSWORD=$(pwgen -c -n -1 12)
+echo "root:$ROOT_PASSWORD" | chpasswd
+echo User: root Password: $ROOT_PASSWORD
+
+# start supervisord
+/usr/bin/supervisord
+
+appStart () {
+	# fix permissions and ownership of /var/lib/postgresql
+	chown -R postgres:postgres /var/lib/postgresql
+	chmod 700 /var/lib/postgresql
+
+	# initialize PostgreSQL data directory
+	if [ ! -d /var/lib/postgresql/9.1/main ]; then
+		echo "Initializing database..."
+		PG_PASSWORD=$(pwgen -c -n -1 14)
+		echo "${PG_PASSWORD}" > /var/lib/postgresql/pwfile
+		sudo -u postgres -H /usr/lib/postgresql/9.1/bin/initdb \
+			--pgdata=/var/lib/postgresql/9.1/main --pwfile=/var/lib/postgresql/pwfile \
+			--username=postgres --encoding=unicode --auth=trust >/dev/null
+	fi
+
+	echo "Starting PostgreSQL server..."
+	/etc/init.d/postgresql start
+
+	if [ -f /var/lib/postgresql/pwfile ]; then
+		PG_PASSWORD=$(cat /var/lib/postgresql/pwfile)
+		echo "|------------------------------------------------------------------|"
+		echo "| PostgreSQL User: postgres, Password: ${PG_PASSWORD}              |"
+		echo "|                                                                  |"
+		echo "| To remove the PostgreSQL login credentials from the logs, please |"
+		echo "| make a note of password and then delete the file pwfile          |"
+		echo "| from the data store.                                             |"
+		echo "|------------------------------------------------------------------|"
+	fi
+	tail -F /var/log/postgresql/postgresql-9.1-main.log
+}
+
+appHelp () {
+	echo "Available options:"
+	echo " app:start          - Start the postgresql server and watch the log (default)"
+	echo " app:help           - Displays the help"
+	echo " [command]          - Execute the specified linux command eg. bash."
+}
+
+case "$1" in
+	app:start)
+		appStart
+		;;
+	app:help)
+		appHelp
+		;;
+	*)
+		if [ -x $1 ]; then
+			$1
+		else
+			prog=$(which $1)
+			if [ -n "${prog}" ] ; then
+				shift 1
+				$prog $@
+			else
+				appHelp
+			fi
+		fi
+		;;
+esac
+
+exit 0

assets/setup/install

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+#!/bin/bash
+
+mkdir -p /var/run/sshd
+cat > /etc/supervisor/conf.d/sshd.conf <<EOF
+[program:sshd]
+directory=/
+command=/usr/sbin/sshd -D
+user=root
+autostart=true
+autorestart=true
+stdout_logfile=/var/log/supervisor/%(program_name)s.log
+stderr_logfile=/var/log/supervisor/%(program_name)s_error.log
+EOF
+
+# listen on all interfaces
+cat >> /etc/postgresql/9.1/main/postgresql.conf <<EOF
+listen_addresses = '*'
+EOF
+
+# allow remote connections to postgresql database
+cat >> /etc/postgresql/9.1/main/pg_hba.conf <<EOF
+host    all             all             0.0.0.0/0               md5
+EOF
+
+# remove the default database, will create from init
+rm -rf /var/lib/postgresql/9.1/main
+
+echo ""
+echo "*************************************************************************"
+echo "* Please login to postgresql and create the required database and       *"
+echo "* database user with remote login access so that other containers can   *"
+echo "* use it.                                                               *"
+echo "*                                                                       *"
+echo "* e.g.                                                                  *"
+echo "*   sudo -u postgres createuser db_user                                 *"
+echo "*   sudo -u postgres psql                                               *"
+echo "*   > \password db_user                                                 *"
+echo "*   sudo -u postgres createdb -O db_user db_name                        *"
+echo "*************************************************************************"
+echo ""