automation: add n8n alongside gotify

automation/docker-compose.yaml

@@ -1,3 +1,5 @@
+name: automation
+
 services:
   gotify:
     image: gotify/server:latest
@@ -13,6 +15,37 @@ services:
       - GOTIFY_DEFAULTUSER_ISADMIN=true
     ports:
       - 8443:80
+
+  n8n:
+    image: n8nio/n8n:latest
+    container_name: n8n
+    restart: unless-stopped
+    ports:
+      - "5678:5678"
+    environment:
+      TZ: ${TZ}
+      N8N_HOST: ${N8N_HOST}
+      N8N_PORT: 5678
+      N8N_PROTOCOL: https
+      WEBHOOK_URL: https://${N8N_HOST}/
+      N8N_ENCRYPTION_KEY: ${N8N_ENCRYPTION_KEY}
+      DB_TYPE: postgresdb
+      DB_POSTGRESDB_HOST: shared-postgres
+      DB_POSTGRESDB_PORT: 5432
+      DB_POSTGRESDB_DATABASE: n8n
+      DB_POSTGRESDB_USER: n8n
+      DB_POSTGRESDB_PASSWORD: ${N8N_DB_PASS}
+      N8N_EMAIL_MODE: smtp
+      EXECUTIONS_DATA_PRUNE: "true"
+      EXECUTIONS_DATA_MAX_AGE: 336
+    volumes:
+      - /mnt/tank/docker/appdata/n8n:/home/node/.n8n
+    networks:
+      - pangolin
+      - ix-databases_shared-databases
+
 networks:
   pangolin:
     external: true
+  ix-databases_shared-databases:
+    external: true