Add internal networks

compose.yml

@@ -8,6 +8,7 @@ services:
       - farmos_sites:/opt/drupal/web/sites
     networks:
       - proxy
+      - internal
     deploy:
       restart_policy:
         condition: on-failure
@@ -31,6 +32,8 @@ services:
 
   db:
     image: postgres:12
+    networks:
+      - internal
     volumes:
       - postgres_data:/var/lib/postgresql/data
     ports:
@@ -43,6 +46,7 @@ services:
 networks:
   proxy:
     external: true
+  internal:
 
 volumes:
   farmos_sites: