Create containers using the master git branches (#153)

Use the master branches from Gitlab to build development container images.

web/Dockerfile.dev

@@ -0,0 +1,43 @@
+FROM python:2.7-alpine3.6
+
+MAINTAINER Abhilash Raj
+
+# Add needed files for uwsgi server + settings for django
+COPY mailman-web /opt/mailman-web
+# Add startup script to container
+COPY docker-entrypoint.sh /usr/local/bin/
+
+# Install packages and dependencies for postorius and hyperkitty Add user for
+# executing apps, change ownership for uwsgi+django files and set execution
+# rights for management script
+RUN set -ex \
+	&& apk add --no-cache --virtual .build-deps gcc libc-dev linux-headers \
+	   	postgresql-dev mariadb-dev \
+	&& apk add --no-cache --virtual .mailman-rundeps bash sassc \
+	   postgresql-client mysql-client py-mysqldb \
+	&& pip install -U git+https://gitlab.com/mailman/mailmanclient?ref=master \
+		git+https://gitlab.com/mailman/postorius?ref=master \
+		git+https://gitlab.com/mailman/hyperkitty?ref=master \
+		git+https://gitlab.com/mailman/django-mailman3?ref=master \
+		whoosh \
+		uwsgi \
+		psycopg2 \
+		dj-database-url \
+		mysqlclient \
+	&& pip install -U django==1.10 \
+	&& apk del .build-deps \
+	&& addgroup -S mailman \
+	&& adduser -S -G mailman mailman \
+	&& chown -R mailman /opt/mailman-web/ \
+	&& chmod u+x /opt/mailman-web/manage.py
+
+WORKDIR /opt/mailman-web
+
+# Expose port 8000 for uwsgi and port 8080 for http
+EXPOSE 8000 8080
+
+# Use stop signal for uwsgi server
+STOPSIGNAL SIGINT
+
+ENTRYPOINT ["docker-entrypoint.sh"]
+CMD ["uwsgi", "--ini", "/opt/mailman-web/uwsgi.ini"]