upgrade n8n to 1.27.2 and add pgsql db

apps/n8n/config.json

@@ -5,14 +5,27 @@
   "exposable": true,
   "port": 8094,
   "id": "n8n",
-  "tipi_version": 26,
-  "version": "0.237.0",
+  "tipi_version": 27,
+  "version": "1.27.2",
   "categories": ["automation"],
   "description": "n8n is an extendable workflow automation tool. With a fair-code distribution model, n8n will always have visible source code, be available to self-host, and allow you to add your own custom functions, logic and apps. n8n's node-based approach makes it highly versatile, enabling you to connect anything to everything.",
   "short_desc": "Workflow Automation Tool. Alternative to Zapier",
   "author": "n8n.io",
   "source": "https://github.com/n8n-io/n8n",
   "website": "https://n8n.io/",
-  "form_fields": [],
+  "form_fields": [
+    {
+      "type": "random",
+      "label": "Database Password",
+      "min": 32,
+      "env_variable": "N8N_DB_PASSWORD"
+    },
+    {
+      "type": "random",
+      "label": "Database Non Root Password",
+      "min": 32,
+      "env_variable": "N8N_NR_DB_PASSWORD"
+    }
+  ],
   "supported_architectures": ["arm64", "amd64"]
 }

apps/n8n/data/init-data.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+set -e;
+
+if [ -n "${POSTGRES_NON_ROOT_USER:-}" ] && [ -n "${POSTGRES_NON_ROOT_PASSWORD:-}" ]; then
+	psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+		CREATE USER ${POSTGRES_NON_ROOT_USER} WITH PASSWORD '${POSTGRES_NON_ROOT_PASSWORD}';
+		GRANT ALL PRIVILEGES ON DATABASE ${POSTGRES_DB} TO ${POSTGRES_NON_ROOT_USER};
+	EOSQL
+else
+	echo "SETUP INFO: No Environment variables given!"
+fi

apps/n8n/docker-compose.yml

@@ -3,18 +3,28 @@ version: "3.7"
 services:
   n8n:
     container_name: n8n
-    image: n8nio/n8n:0.237.0
+    image: n8nio/n8n:1.27.2
     restart: unless-stopped
     ports:
       - ${APP_PORT}:5678
     volumes:
       - ${APP_DATA_DIR}/data/n8n:/home/node/.n8n
-    command: /bin/sh -c "sleep 5; n8n start"
     environment:
       - N8N_EDITOR_BASE_URL=${APP_PROTOCOL:-http}://${APP_DOMAIN}
       - WEBHOOK_URL=${APP_PROTOCOL:-http}://${APP_DOMAIN}
+      - DB_TYPE=postgresdb
+      - DB_POSTGRESDB_HOST=n8n_db
+      - DB_POSTGRESDB_PORT=5432
+      - DB_POSTGRESDB_DATABASE=n8n
+      - DB_POSTGRESDB_USER=n8n
+      - DB_POSTGRESDB_PASSWORD=${N8N_NR_DB_PASSWORD}
     networks:
       - tipi_main_network
+    links:
+      - n8n_db
+    depends_on:
+      n8n_db:
+        condition: service_healthy
     labels:
       # Main
       traefik.enable: true
@@ -40,3 +50,24 @@ services:
       traefik.http.routers.n8n-local.entrypoints: websecure
       traefik.http.routers.n8n-local.service: n8n
       traefik.http.routers.n8n-local.tls: true
+
+  n8n_db:
+    container_name: n8n_db
+    image: postgres:11
+    restart: unless-stopped
+    networks:
+      - tipi_main_network
+    environment:
+      - POSTGRES_USER=tipi
+      - POSTGRES_PASSWORD=${N8N_DB_PASSWORD}
+      - POSTGRES_DB=n8n
+      - POSTGRES_NON_ROOT_USER=n8n
+      - POSTGRES_NON_ROOT_PASSWORD=${N8N_NR_DB_PASSWORD}
+    volumes:
+      - ${APP_DATA_DIR}/data/postgres:/var/lib/postgresql/data
+      - ${APP_DATA_DIR}/data/init-data.sh:/docker-entrypoint-initdb.d/init-data.sh
+    healthcheck:
+      test: ['CMD-SHELL', 'pg_isready -h localhost -U $$POSTGRES_USER -d $$POSTGRES_DB']
+      interval: 5s
+      timeout: 5s
+      retries: 10