fix: Implicitly attach to ingress network

docker/test/stack-config/nginx.yaml

@@ -24,9 +24,3 @@ services:
         source: /var/www/certbot
         target: /var/www/certbot
         read_only: true
-    networks:
-      - ingress
-
-networks:
-  ingress:
-    external: true

docker/test/stack-config/timetable.yaml

@@ -1,8 +1,6 @@
 services:
   timetable:
     image: 2martens/timetable:0.1.0-SNAPSHOT
-    networks:
-      - ingress
     deploy:
       replicas: 1
     environment:
@@ -12,6 +10,3 @@ services:
       JDBC_DATABASE_URL: <timetable_jdbc_database_url>
       JDBC_DATABASE_USERNAME: <timetable_jdbc_database_username>
       JDBC_DATABASE_PASSWORD: <timetable_jdbc_database_password>
-networks:
-  ingress:
-    external: true

docker/test/stack-config/wahlrecht.yaml

@@ -1,13 +1,7 @@
 services:
   wahlrecht:
     image: 2martens/wahlrecht:0.3.8
-    networks:
-      - ingress
     deploy:
       replicas: 1
     environment:
       MONGODB_CONNECTION_STRING: <wahlrecht_mongodb_connection_string>
-
-networks:
-  ingress:
-    external: true