feat: add pull_policy to db, backend, and web services for consistent image pulling

ref-docker-compose.yml

@@ -6,6 +6,7 @@ services:
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
       POSTGRES_DB: ${POSTGRES_DB}
     restart: unless-stopped
+    pull_policy: "always"
     networks:
       - dokploy-network
     expose:
@@ -83,6 +84,7 @@ services:
     expose:
       - 1323
     restart: unless-stopped
+    pull_policy: "always"
     volumes:
       - images_volume:/app/images
       - storage_volume:/app/storage
@@ -116,6 +118,7 @@ services:
   web:
     image: "${IMAGE_REGISTRY:-ghcr.io}/${OWNER:-marcopedone}/infoalloggi-web:${TAG:-latest}"
     working_dir: /app
+    pull_policy: "always"
     environment:
       INTERNAL_BASE_URL: http://web:3000
       POSTGRES_USER: ${POSTGRES_USER}