chore: remove n8n-db service and related configurations

stack.production.yml

@@ -21,11 +21,6 @@ services:
     networks:
       - traefik
     environment:
-      - DB_TYPE=postgresdb
-      - DB_POSTGRESDB_HOST=n8n-db
-      - DB_POSTGRESDB_DATABASE=n8n
-      - DB_POSTGRESDB_USER=n8n
-      - DB_POSTGRESDB_PASSWORD=${N8N_DB_PASSWORD}
       - N8N_HOST=${N8N_HOST:-n8n.nixc.us}
       - N8N_PORT=5678
       - N8N_PROTOCOL=${N8N_PROTOCOL:-https}
@@ -40,29 +35,7 @@ services:
       - traefik.http.routers.production_n8n.tls.certresolver=letsencryptresolver
       - traefik.http.services.production_n8n.loadbalancer.server.port=5678
       - traefik.http.routers.production_n8n.middlewares=secure-headers
-    depends_on:
-      - n8n-db
-
-  n8n-db:
-    image: postgres:15-alpine
-    deploy:
-      replicas: 1
-      restart_policy:
-        condition: on-failure
-      placement:
-        constraints:
-          - node.hostname == macmini1
-    environment:
-      - POSTGRES_DB=n8n
-      - POSTGRES_USER=n8n
-      - POSTGRES_PASSWORD=${N8N_DB_PASSWORD}
-    volumes:
-      - n8n_postgres:/var/lib/postgresql/data
-    networks:
-      - traefik
 
 volumes:
   n8n_data:
     driver: local
-  n8n_postgres:
-    driver: local