Explicitly specify networks in docker compose

needed so that the services use the defined network and so that the db can be accessed from beta.facem.at, which also is in the same network

docker-compose.production.yml

@@ -14,6 +14,8 @@ services:
     tty: true
     depends_on:
       - db
+    networks:
+      - facem-backoffice-network
   db:
     image: mariadb:10.4
     ports:
@@ -22,6 +24,8 @@ services:
       - mariadb_data:/var/lib/mysql
     env_file:
       - .env.production
+    networks:
+      - facem-backoffice-network
 volumes:
   mariadb_data: