Update docker deployement

I updated the Dockerfile as well as the nginx config and the django
application deployement. There are still issues such as the `/vol/nginx`
doesn't exist for some unknown reasons making nginx refusing to launch.
Signed-off-by: Matthieu Berjon <matthieu.berjon@inria.fr>

django/Dockerfile

-FROM allgo/base-debian
+FROM debian:stretch
 
 # install system packages
-RUN apt-getq install mariadb-client libmariadb-client-lgpl-dev-compat	\
-	redis-server curl imagemagick git ca-certificates		\
-	gcc g++ make libc6-dev file libffi-dev libgdbm-dev libgmp-dev	\
-	libncurses5-dev libncursesw5-dev libreadline6-dev libssl-dev	\
-	libyaml-dev openssl procps systemtap-sdt-dev zlib1g-dev		\
-	supervisor nginx-light zip				\
-  python3 python3-pip python3-django
+RUN apt-get update && apt-get install -y \
+  mysql-server default-libmysqlclient-dev \
+	nginx-light zip	\
+  python3 python3-dev python3-pip python3-django python3-mysqldb python-mysqldb \
+  python3-django-environ
 
 COPY	. /opt/allgo
 COPY init /dk/container_init
-RUN	sh /opt/allgo/setup/dk/container_init
+RUN	bash /opt/allgo/setup/dk/container_init
 
 WORKDIR /opt/allgo
 LABEL   dk.migrate_always=1
+# ENTRYPOINT /bin/bash /opt/allgo/setup/dk/run-allgo

django/setup/dk/container_init

@@ -4,6 +4,8 @@ set -e -x
 # mkdir /vol && chown allgo: /vol
 SETUP=/opt/allgo/setup/dk
 
+#pip3 install --force-reinstall mysqlclient django-environ
+
 mkdir -p			\
 	/vol/rw/datastore	\
 	/vol/rw/app		\
@@ -14,10 +16,10 @@ mkdir -p			\
 	/vol/log/supervisor	\
 	/vol/log/gunicorn	\
 	/vol/cache/redis	\
-	/vol/cache/nginx
+	/vol/cache/nginx 
 
-# scripts
-ln -s "$SETUP/run-allgo" /usr/local/bin
+# Apply patch to nginx.conf to update the volume paths
+patch /etc/nginx/nginx.conf < $SETUP/nginx.patch
 
 # supervisord config
 # rm /etc/supervisor/supervisord.conf
@@ -25,11 +27,4 @@ ln -s "$SETUP/run-allgo" /usr/local/bin
 
 # nginx config
 rm /etc/nginx/sites-enabled/default
-ln -s "/opt/allgo/setup/dk/nginx.conf" /etc/nginx/sites-enabled/allgo
-
-# exec nginx -t && exec nginx -g 'daemon off;'
-# nginx -t
-# nginx -g 'daemon off;' &
-# exec python3 /opt/allgo/manage.py runserver 4000&
-# exec supervisord -n
-exec run-allgo
+ln -s "/opt/allgo/setup/dk/allgo.conf" /etc/nginx/sites-enabled/allgo

django/setup/dk/nginx.patch

+41,42c41,42
+< 	access_log /var/log/nginx/access.log;
+< 	error_log /var/log/nginx/error.log;
+---
+> 	access_log /vol/log/nginx/access.log;
+> 	error_log /vol/log/nginx/error.log;

django/setup/dk/run-allgo

@@ -2,6 +2,16 @@
 
 set -e
 
-# exec nginx -g 'daemon off;'
+# dump the database and execute the migration
+while ! mysql -u allgo -h dev-mysql --password=allgo -e ";"
+do
+  sleep 2
+done
+
+/bin/bash /opt/allgo/tools/migration.sh -e allgo allgo dev-mysql allgo
+/bin/bash /opt/allgo/tools/migration.sh -d allgo allgo dev-mysql allgo
+/bin/bash /opt/allgo/tools/migration.sh -m allgo allgo dev-mysql allgo
+
+# service nginx start
 python3 /opt/allgo/manage.py runserver 4000 &
-service nginx start
+exec nginx -g 'daemon off;'