优化docker相关

docker-compose.dev.yml

@@ -67,12 +67,12 @@ services:
       - "${TENCENT_BROWSER_NOVNC_PORT:-6080}:6080"
 
   frontend:
-    image: node:22-bookworm
+    image: node:22-bookworm-slim
     working_dir: /app
     restart: unless-stopped
     command: >-
       sh -lc
-      "npm install --no-fund --no-audit &&
+      "[ -f node_modules/.install_done ] || (npm install --no-fund --no-audit && touch node_modules/.install_done);
       npm run dev -- --host 0.0.0.0 --port 5173"
     environment:
       TZ: ${TZ:-Asia/Shanghai}
@@ -84,9 +84,7 @@ services:
       - frontend_node_modules:/app/node_modules
 
   web:
-    build:
-      context: .
-      dockerfile: deploy/docker/dev-caddy.Dockerfile
+    image: caddy:2-alpine
     restart: unless-stopped
     depends_on:
       backend: