One compose-file for docker-compose and docker stack deploy.

docker-compose.yml

@@ -2,11 +2,12 @@ version: '3'
 
 services:
   web:
+    deploy:
+      placement:
+        constraints:
+          - node.role == manager
     ports:
       - "5000:5000"
-    depends_on:
-      - db
-      - redis
     env_file: nopaque.env
     image: gitlab.ub.uni-bielefeld.de:4567/sfb1288inf/opaque:development
     volumes:
@@ -20,8 +21,10 @@ services:
       - ./nopaque.py:/home/nopaque/nopaque.py
       - ./requirements.txt:/home/nopaque/requirements.txt
   daemon:
-    depends_on:
-      - db
+    deploy:
+      placement:
+        constraints:
+          - node.role == manager
     env_file: nopaque.env
     extra_hosts:
       - "host.docker.internal:172.17.0.1"
@@ -35,9 +38,17 @@ services:
       - ../opaque_daemon/requirements.txt:/home/nopaqued/requirements.txt
       - $HOME/.docker:/home/nopaqued/.docker
   db:
+    deploy:
+      placement:
+        constraints:
+          - node.role == manager
     env_file: nopaque.env
     image: postgres:11
     volumes:
       - /srv/nopaque/database:/var/lib/postgresql/data
   redis:
+    deploy:
+      placement:
+        constraints:
+          - node.role == manager
     image: redis:5