Docker: Upgrade Tracim at startup

README.md

 * DATABASE_HOST
 * DATABASE_PORT
 * DATABASE_NAME
+* PULL (0 or 1): If 1, upgrade tracim at startup
 
 Volumes are:
 

docker/Debian_Uwsgi/entrypoint.sh

 # * DATABASE_HOST
 # * DATABASE_PORT
 # * DATABASE_NAME
+# * PULL
 #
 
+# Default values
+# TODO: Voir avec Damien si c'est le comportement souhaité
+PULL=${PULL:=1}
+
 # Check environment variables
 /tracim/check_env_vars.sh
 
+# If PULL is set, change repository HEAD
+if [ "$PULL" = 1 ]; then
+    echo "Upgrade Tracim code"
+    cd /tracim && git pull origin master
+fi
+
 # Create config.ini file if no exist
 if [ ! -f /etc/tracim/config.ini ]; then
     cp /tracim/tracim/development.ini.base /etc/tracim/config.ini
     cd /tracim/tracim/ && gearbox setup-app -c config.ini
 fi
 
+# Upgrade database
+if [ "$PULL" = 1 ]; then
+    echo "Upgrade Tracim database id required"
+    cd /tracim/tracim/ && gearbox migrate upgrade
+fi
+
 # Start with uwsgi
 uwsgi --http-socket 0.0.0.0:80 /etc/tracim/uwsgi.ini