[PATCH 2 of 2] Add Dockerfile for Postgres-DB setup

[Wald Commits]

# HG changeset patch
# User Tom Gottfried <tom at intevation.de>
# Date 1449765687 -3600
# Node ID 13d5b6c67cef2e8ae867bdd78527f514e1a54d24
# Parent  c1cea6c959675031650464c36a2cc99f441c91d0
Add Dockerfile for Postgres-DB setup.

diff -r c1cea6c95967 -r 13d5b6c67cef backend/doc/schema/Dockerfile
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/backend/doc/schema/Dockerfile	Thu Dec 10 17:41:27 2015 +0100
@@ -0,0 +1,69 @@
+# Docker file for postgresql 9.4 on debain
+#
+# build with e.g. `docker build --force-rm=true -t d4e/river_db .',
+# then run with e.g.
+# `docker run --name d4eriver_db -dp 2345:5432 d4e/river_db:latest'
+#
+
+FROM debian:jessie
+MAINTAINER tom at intevation.de
+
+#
+# Use utf-8
+#
+RUN echo \
+    "locales locales/locales_to_be_generated multiselect en_US.UTF-8 UTF-8" | \
+    debconf-set-selections && \
+    echo "locales locales/default_environment_locale select en_US.UTF-8" | \
+    debconf-set-selections
+
+RUN apt-get update -y && apt-get install -y locales
+
+ENV LC_ALL en_US.UTF-8
+
+#
+# Install packages
+#
+RUN apt-get update && \
+    apt-get install -y postgresql-9.4-postgis-2.1 postgis
+
+#
+# Use user postgres to run the next commands
+#
+USER postgres
+
+RUN /etc/init.d/postgresql start && \
+    psql --command "CREATE USER admin WITH SUPERUSER PASSWORD 'secret';"
+
+#
+# Adjust PostgreSQL configuration so that remote connections to the
+# database are possible.
+#
+RUN echo "host all  all    0.0.0.0/0  md5" >> \
+    /etc/postgresql/9.4/main/pg_hba.conf
+
+RUN echo "listen_addresses='*'" >> /etc/postgresql/9.4/main/postgresql.conf
+
+#
+# Expose the PostgreSQL port
+#
+EXPOSE 5432
+
+#
+# Create database
+#
+# Don't mind scary messages like
+# 'FATAL: the database system is starting up'.
+# It's because of the -w
+#
+ADD . /opt/d4eriver_db
+
+RUN /usr/lib/postgresql/9.4/bin/pg_ctl start -wD /etc/postgresql/9.4/main/ && \
+    /opt/d4eriver_db/postgresql-setup.sh
+
+#
+# Set the default command to run when starting the container
+#
+CMD ["/usr/lib/postgresql/9.4/bin/postgres", "-D", \
+     "/var/lib/postgresql/9.4/main", "-c", \
+     "config_file=/etc/postgresql/9.4/main/postgresql.conf"]