coolify/api/buildPacks/custom/index.js

const fs = require('fs').promises
const { streamEvents, docker } = require('../../libs/docker')

module.exports = async function (configuration) {
  const path = `${configuration.general.workdir}/${configuration.build.directory ? configuration.build.directory : ''}`
  if (fs.stat(`${path}/Dockerfile`)) {
    const stream = await docker.engine.buildImage(
      { src: ['.'], context: path },
      { t: `${configuration.build.container.name}:${configuration.build.container.tag}` }
    )
    await streamEvents(stream, configuration)
  } else {
    throw new Error('No custom dockerfile found.')
  }
}