addin' yarn serve 🥘

packages/web/package.json

@@ -4,6 +4,7 @@
   "private": true,
   "scripts": {
     "dev": "concurrently \"next\" \"yarn generate --watch\"",
+    "serve": "concurrently \"next start\" \"watch --wait=300 'yarn build'\"",
     "build": "next build",
     "start": "next start",
     "typecheck": "tsc",

render.yaml

@@ -50,7 +50,7 @@ services:
     env: node
     plan: starter
     buildCommand: yarn && yarn web:build
-    startCommand: yarn --cwd packages/web/ dev
+    startCommand: yarn --cwd packages/web/ serve
     envVars:
       - key: NODE_VERSION
         value: 12.18.3