dokploy/server/utils/builders/docker-file.ts

import { docker } from "@/server/constants";
import type { WriteStream } from "node:fs";
import * as tar from "tar-fs";
import type { ApplicationNested } from ".";
import { getBuildAppDirectory } from "../filesystem/directory";

export const buildCustomDocker = async (
  application: ApplicationNested,
  writeStream: WriteStream,
) => {
  const { appName } = application;
  const dockerFilePath = getBuildAppDirectory(application);
  try {
    const image = `${appName}`;
    const contextPath =
      dockerFilePath.substring(0, dockerFilePath.lastIndexOf("/") + 1) || ".";
    const tarStream = tar.pack(contextPath);

    const stream = await docker.buildImage(tarStream, {
      t: image,
      dockerfile: dockerFilePath.substring(dockerFilePath.lastIndexOf("/") + 1),
      // TODO: maybe use or not forcerm
      // forcerm: true,
    });

    await new Promise((resolve, reject) => {
      docker.modem.followProgress(
        stream,
        (err, res) => (err ? reject(err) : resolve(res)),
        (event) => {
          if (event.stream) {
            writeStream.write(event.stream);
          }
        },
      );
    });
  } catch (error) {
    throw error;
  }
};