Script startup timed out. [code: 10021] on `wrangler publish`

I am using @alpha (0.0.0-7d4ea43, which seems to be the only config-version working with remix/miniflare, in my local testing.)

Everything builds and runs locally, and was working up until recently, which is confusing because I locked the npm version (to prevent auto-updates which were breaking things in other ways.)

package.json

{
"private": true,
  "sideEffects": false,
  "scripts": {
    "prebuild": "node node_modules/remix-esbuild-override/dist/bin/index.js",
    "build": "remix build",
    "start:frontend": "remix watch",
    "start:backend": "NODE_OPTIONS='--experimental-vm-modules --no-warnings' node tools/dev.mjs",
    "start": "npm run build && run-p start:*",
    "postinstall": "remix setup cloudflare-workers",
    "predeploy": "rm -rf build public/build && npm run build",
    "deploy": "wrangler publish build/index.js"
  }
}

tools/dev.mjs This is a local miniflare thing, and is working and I think unrelated to deploy:

// this is the dev-server, which uses local KV and remote DO

import { Miniflare } from "miniflare"
import { CrossKV, CrossDO } from 'cross-cf'
import fetch from 'cross-fetch'

global.fetch = fetch

const globals = {
  // ... DO and KV setup work on local
}

const mf = new Miniflare({
  envPath: true,
  packagePath: true,
  wranglerConfigPath: false,
  scriptPath: 'build/index.js',
  buildCommand: "npm run build",
  globals,
  sitePath: "./public",
  name: 'XXX',
  port: 3000,
  watch: true,
  liveReload: true,
  sourceMap: true
})

await mf.startServer()
console.log("Listening on http://localhost:3000")

wrangler.toml

name = ""

compatibility_date = "2022-01-31"
account_id = "XXX"

[build]
command = "npm run build"

[site]
bucket = "./public"

[[kv_namespaces]]
# ...

[[durable_objects.bindings]]
# ...

It builds & uploads site ok, but at end it says this:

✘ [ERROR] Received a bad response from the API

  Script startup timed out.
   [code: 10021]


  If you think this is a bug, please open an issue at:
  https://github.com/cloudflare/wrangler2/issues/new

It returns really fast (doesn’t hit 5 minute limit)

[konsumer]

@threepointone cd9c418c2f482d1d4b6616d040bd48e5 is ID, but I also can’t publish, so it’s not in dash.

I am troubleshooting other issues (with not being able to override esbuid config in remix) so I can’t currently build at all, which is a whole other thing. Once I get this building, I will try out your suggestion, @MatousKundrik thanks!

[MatousKundrik]

Bumping remix to 1.4.0 and setting serverBuildTarget: "cloudflare-workers" inside remix.config.js seems to have fixed this for me 👍