Add a postgres database container.

- Set environemnt variables for Postgresql database in the compose file
- Set environment variables for uwsgi in the compose file
- Check if the postgresql container is up and accepting connections before
  running any actual services.

core/Dockerfile

@@ -4,7 +4,9 @@ MAINTAINER Abhilash Raj
 
 # Install the latest master branch of the mailman directly
 # from the Gitlab.
-RUN pip install git+https://gitlab.com/mailman/mailman.git
+RUN apt-get update && apt-get install -y postgresql-client \
+    && pip install git+https://gitlab.com/mailman/mailman.git \
+	               psycopg2
 
 ADD assets/run.sh /opt/run.sh
 
@@ -17,4 +19,4 @@ WORKDIR /opt/mailman
 
 EXPOSE 8001
 
-CMD /opt/run.sh
+CMD ["/opt/run.sh"]

core/assets/run.sh

@@ -1,4 +1,5 @@
 #! /bin/bash
+set -e
 
 # Check if the configuration file is present.
 if [[ ! -e /opt/mailman/mailman.cfg ]]; then
@@ -6,6 +7,30 @@ if [[ ! -e /opt/mailman/mailman.cfg ]]; then
 	exit 1
 fi
 
+if [[ ! -e /opt/mailman/mailman-hyperkitty.cfg ]]; then
+	echo "/opt/mailman/mailman-hyperkitty.cfg configuration file not found..."
+	echo "Hyperkitty will not be enabled or will not work properly..."
+fi
+
+# Check if the master lock exists for the mailman.
+# It means that that either some other mailman process is running or
+# the last time mailman did not exit clean.
+if [[ -e /opt/mailman/core/var/locks/master.lck ]]; then
+	echo "The mailman's master lock file still exists at /opt/mailman/core/var/locks/master.lck"
+	echo "Please remove the lock file before trying to run this container again."
+	exit 1
+fi
+
+# Check if the database is available yet. Do not start the container before the
+# postgresql boots up.
+until psql $DATABASE_URL -c '\l'; do
+  >&2 echo "Postgres is unavailable - sleeping"
+  sleep 1
+done
+
+>&2 echo "Postgres is up - continuing"
+
+
 # Run mailman using the pidproxy command which spawns off mailman
 # and forwards any signal you send it to the master runner in mailman.
 /opt/pidproxy.py /opt/mailman/var/master.pid mailman -C /opt/mailman/mailman.cfg start --force

docker-compose.yaml

@@ -1,22 +1,47 @@
 version: '2'
+
 services:
   mailman-core:
     build:
       context: ./core
-    image: mailman-core:latest
+    image: maxking/mailman-core:latest
     container_name: mailman-core
     volumes:
     - /opt/mailman/core:/opt/mailman/
+    links:
+    - database:database
+    depends_on:
+    - database
+    environment:
+    - DATABASE_URL=postgres://mailman:mailmanpass@database/mailmandb
+
   mailman-web:
     build:
       context: ./web
-    image: mailman-web:latest
+    image: maxking/mailman-web:latest
     container_name: mailman-web
     ports:
     - "8000:8000"
     depends_on:
-    - mailman-core
+    - database
     links:
     - mailman-core:mailman-core
+    - database:database
     volumes:
     - /opt/mailman/web:/opt/mailman-web-data
+    environment:
+    - UWSGI_WSGI_FILE=wsgi.py
+    - UWSGI_HTTP=:8000
+    - UWSGI_WORKERS=2
+    - UWSGI_THREADS=4
+    - DATABASE_URL=postgres://mailman:mailmanpass@database/mailmandb
+
+  database:
+    environment:
+      POSTGRES_DB: mailmandb
+      POSTGRES_USER: mailman
+      POSTGRES_PASSWORD: mailmanpass
+    restart: always
+    image: postgres:9.6
+    volumes:
+    - /opt/mailman/database:/var/lib/postgresql/data

web/Dockerfile

@@ -5,6 +5,7 @@ MAINTAINER Abhilash Raj
 RUN apt-get update \
 	&& apt-get install -y ruby-sass \
 					   git \
+					   postgresql-client \
 	&& python -m pip install git+https://gitlab.com/mailman/mailmanclient.git \
 		   		   git+https://gitlab.com/mailman/postorius.git \
 				   git+https://gitlab.com/mailman/django-mailman3.git \
@@ -15,21 +16,13 @@ RUN apt-get update \
 
 ADD mailman-web /opt/mailman-web
 
+ADD assets/run.sh /opt/run.sh
+
 WORKDIR /opt/mailman-web
 
 EXPOSE 8000
 
-# ENV DJANGO_SETTINGS_MODULE=mailman-web.settings
-
 ENV UWSGI_WSGI_FILE=wsgi.py UWSGI_HTTP=:8000 UWSGI_WORKERS=2 \
     UWSGI_THREADS=4
 
-CMD  python manage.py collectstatic --noinput \
-    && python manage.py migrate \
-	&& uwsgi --http-auto-chunked --http-keepalive
-
-#ADD assets/run.sh /opt/run.sh
-
-#ENTRYPOINT /opt/run.sh
-
-# CMD ["uwsgi", "--http-auto-chunked", "--http-keepalive"]
+CMD ["/opt/run.sh"]

web/assets/run.sh

@@ -0,0 +1,31 @@
+#! /bin/bash
+set -e
+
+# Check if the database is available yet. Do not start the container before the
+# postgresql boots up.
+until psql $DATABASE_URL -c '\l'; do
+  >&2 echo "Postgres is unavailable - sleeping"
+  sleep 1
+done
+
+>&2 echo "Postgres is up - continuing"
+
+# Check if the settings file is available and can be imported.
+
+
+# Check if we are in the correct directory before running commands.
+if [[ ! $(pwd) == '/opt/mailman-web' ]]; then
+	echo "Running in the wrong directory...switching to /opt/mailman-web"
+	cd /opt/mailman-web
+fi
+
+
+# Collect static for the django installation.
+python manage.py collectstatic --noinput
+
+# Migrate all the data to the database if this is a new installation, otherwise
+# this command will upgrade the database.
+python manage.py migrate
+
+# Run the web server.
+uwsgi --http-auto-chunked --http-keepalive