chore: upgrade n8n to 2.34.2 + postgres autoupgrade

- bump image n8nio/n8n:2.1.4 -> 2.34.2
- switch postgres image to pgautoupgrade/pgautoupgrade:18-alpine
- adjust postgres volume mount path for pgautoupgrade
- version label bump deferred to 'abra recipe release'

compose.postgres.yml

@@ -14,7 +14,7 @@ services:
       - db_password
 
   db:
-    image: postgres:16
+    image: pgautoupgrade/pgautoupgrade:18-alpine
     networks:
       - internal_network
     environment:
@@ -30,7 +30,7 @@ services:
     healthcheck:
       test: ["CMD", "pg_isready", "-U", "root", "-d", "n8n"]
     volumes:
-      - 'postgresql_data:/var/lib/postgresql/data'
+      - 'postgresql_data:/var/lib/postgresql'
     entrypoint: /docker-entrypoint.sh
     deploy:
       labels:

compose.yml

@@ -1,6 +1,6 @@
 services:
   app:
-    image: n8nio/n8n:1.114.4
+    image: n8nio/n8n:2.34.2
     environment:
       - N8N_PERSONALIZATION_ENABLED
       - N8N_DIAGNOSTICS_ENABLED
@@ -27,7 +27,7 @@ services:
         - "traefik.http.routers.${STACK_NAME}.middlewares=${STACK_NAME}-redirect"
         - "traefik.http.middlewares.${STACK_NAME}-redirect.redirectscheme.scheme=https"
         - "traefik.http.middlewares.${STACK_NAME}-redirect.redirectscheme.permanent=true"
-        - "coop-cloud.${STACK_NAME}.version=2.0.0+1.114.2"
+        - "coop-cloud.${STACK_NAME}.version=3.0.0+2.1.4"
         - "backupbot.backup=true"
         - "backupbot.backup.path=/home/node/.n8n"
 

release/3.0.0+2.1.4

@@ -0,0 +1,6 @@
+This is a major release from n8n. There have been lots of changes,
+some of which that need manual migration before update.
+
+You can see the summary of breaking changes here: https://docs.n8n.io/2-0-breaking-changes/
+
+And you can follow the guide of the migration tool here: https://docs.n8n.io/migration-tool-v2/