Node.js Cloud Run Example

main.js

const http = require('http')

if (require.main === module) {
  main()
}

async function main () {
  try {
    const server = http.createServer() // <1>

    server.on('listening', () => { // <2>
      console.info(`Listening on ${process.env.PORT}`)
    })

    server.on('request', (req, res) => { // <3>
      const content = JSON.stringify({ok: true})

      res.writeHead(200, {
        'Content-Type': 'application/json; charset=utf-8',
        'Content-Length': content.length,
      })

      res.write(content)
      res.end()
    })

    server.on('error', err => { // <4>
      console.error(err)
    })

    server.listen(process.env.PORT) // <5>
  } catch (err) {
    console.error(err)
  }
}

package.json

{
  "scripts": {
    "start": "node main.js",
    "build": "pack build column-cloudrun-nodejs --builder gcr.io/buildpacks/builder",
    "image": "echo asia-northeast1-docker.pkg.dev/`gcloud config get-value project`/cloud-run/column-cloudrun-nodejs",
    "tag": "docker image tag column-cloudrun-nodejs `npm run -s image`",
    "push": "docker image push `npm run -s image`",
    "deploy": "gcloud run deploy column-cloudrun-nodejs --image `npm run -s image` --region asia-northeast1 --platform managed --allow-unauthenticated",
    "staging": "npm run build && npm run tag && npm run push && npm run deploy",
    "delete": "gcloud run services delete column-cloudrun-nodejs --region asia-northeast1 --platform managed"
  },
  "engines": {
    "node": "^16.0.0"
  }
}