fix: make web Docker build reproducible

apps/web/.dockerignore

@@ -0,0 +1,7 @@
+node_modules
+.next
+*.tsbuildinfo
+.env
+.env.*
+npm-debug.log*
+pnpm-debug.log*

apps/web/package.json

@@ -2,6 +2,13 @@
   "name": "@zhuangxiu/web",
   "version": "0.1.0",
   "private": true,
+  "packageManager": "pnpm@10.28.0",
+  "pnpm": {
+    "onlyBuiltDependencies": [
+      "sharp",
+      "unrs-resolver"
+    ]
+  },
   "scripts": {
     "dev": "next dev",
     "build": "next build",