Importing into a fresh repository.

+FROM docker.brainfood.com/dumb-init
+
+ADD /overlay/ /
+
+RUN ["apt-docker", \
+	"-y", "install", "postgresql-9.4", \
+	";" ]
+
+RUN ["save-data-dir", "/var/lib/postgresql", "postgresql-server" ]
+
+EXPOSE 5432

+version: '2'
+
+services:
+        build:
+                image: docker.brainfood.com/postgresql-server
+                build:
+                        context: .
+                        args:
+                                - http_proxy
+                                - https_proxy
+

+#!/bin/bash
+
+set -e
+data_dir=/var/lib/postgresql
+
+if [[ -d $data_dir ]]; then
+	declare -a files=(
+		$(find "$data_dir" -mindepth 1 -maxdepth 1 -not -name lost+found 2>/dev/null)
+	)
+	if [[ ${#files[*]} -eq 0 ]]; then
+		tar -zxf /var/lib/docker-init/data/postgresql-server.data.tar.gz -C "$data_dir"
+	fi
+fi
+

+listen_addresses = *