Add Paperless-ngx to production deployment

- Add Paperless-ngx service to Docker Compose configuration
- Configure nginx routing for /paperless/ path with large file support
- Add production environment variables for Paperless
- Create automated setup script for initial Paperless configuration
- Add comprehensive production setup documentation
- Configure Paperless with HTTPS and proper database setup
- Update Django app to use production Paperless instance

deploy-production/docker-compose.prod.yml

@@ -141,6 +141,46 @@ services:
           memory: 512M
           cpus: '0.5'
 
+  paperless:
+    image: ghcr.io/paperless-ngx/paperless-ngx:latest
+    restart: unless-stopped
+    depends_on:
+      - db
+      - redis
+    ports:
+      - "127.0.0.1:8080:8000"
+    healthcheck:
+      test: ["CMD", "curl", "-fs", "-S", "--max-time", "2", "http://localhost:8000"]
+      interval: 30s
+      timeout: 10s
+      retries: 5
+    volumes:
+      - paperless_data:/usr/src/paperless/data
+      - paperless_media:/usr/src/paperless/media
+      - paperless_export:/usr/src/paperless/export
+      - paperless_consume:/usr/src/paperless/consume
+    environment:
+      PAPERLESS_REDIS: redis://redis:6379
+      PAPERLESS_DBHOST: db
+      PAPERLESS_DBNAME: ${PAPERLESS_DB:-paperless}
+      PAPERLESS_DBUSER: ${PAPERLESS_USER:-paperless}
+      PAPERLESS_DBPASS: ${PAPERLESS_PASSWORD:-paperless}
+      PAPERLESS_ADMIN_USER: ${PAPERLESS_ADMIN_USER:-admin}
+      PAPERLESS_ADMIN_PASSWORD: ${PAPERLESS_ADMIN_PASSWORD:-admin}
+      PAPERLESS_ADMIN_MAIL: ${PAPERLESS_ADMIN_MAIL:-admin@localhost}
+      PAPERLESS_SECRET_KEY: ${PAPERLESS_SECRET_KEY}
+      PAPERLESS_URL: https://vhtv-stiftung.de/paperless
+      PAPERLESS_ALLOWED_HOSTS: vhtv-stiftung.de,www.vhtv-stiftung.de
+      PAPERLESS_CORS_ALLOWED_HOSTS: https://vhtv-stiftung.de,https://www.vhtv-stiftung.de
+      PAPERLESS_TRUSTED_PROXIES: 172.16.0.0/12,10.0.0.0/8,192.168.0.0/16
+      PAPERLESS_FORCE_SCRIPT_NAME: /paperless
+      PAPERLESS_STATIC_URL: /paperless/static/
+    deploy:
+      resources:
+        limits:
+          memory: 2G
+          cpus: '1.0'
+
 volumes:
   postgres_data:
   redis_data:
@@ -149,6 +189,10 @@ volumes:
   gramps_thumb_cache:
   gramps_cache:
   gramps_secret:
+  paperless_data:
+  paperless_media:
+  paperless_export:
+  paperless_consume:
 
 networks:
   default: