fix postgres healthcheck

compose.yml

@@ -126,7 +126,7 @@ services:
     deploy:
       labels:
         - "traefik.enable=true"
-        - "traefik.swarm.network=proxy"
+        - "traefik.docker.network=proxy"
         - "traefik.http.services.${STACK_NAME}.loadbalancer.server.port=8080"
         - "traefik.http.routers.${STACK_NAME}.rule=Host(`${DOMAIN}`${EXTRA_DOMAINS})"
         - "traefik.http.routers.${STACK_NAME}.entrypoints=web-secure"
@@ -168,7 +168,7 @@ services:
     secrets:
       - db_password
     healthcheck:
-      test: ["CMD", "pg_isready", "-U", "zammad"]
+      test: ["CMD", "pg_isready", "-U", "zammad", "-d", "zammad_production"]
       interval: 30s
       timeout: 10s
       retries: 10