@delgee/docker-builder/src/main.js

A CLI to build docker files

import fs from 'fs-extra';
import chalk from 'chalk';
import path from 'path';
import inquirer from 'inquirer';
import execa from 'execa';

const execaStream = (command, argument) => {
  return new Promise((resolve, reject) => {
    const pipe = execa(command, argument).all;

    pipe.on('data', buffer => {
      process.stdout.write(buffer.toString());
    });

    pipe.on('end', () => {
      resolve();
    });

    pipe.on('error', error => {
      reject(error);
    });
  });
};

export async function dockerBuild(options) {
  try {
    options = {
      ...options,
      targetDirectory: options.targetDirectory || process.cwd()
    };

    let isBuilderExists = await fs.exists(path.join(options.targetDirectory, '.builderrc'));

    if (!isBuilderExists) {
      let isCreateRcfile = await inquirer.prompt({
        type: 'confirm',
        name: 'isCreateFile',
        message: '.builderrc file not found. Should we create it?'
      });

      if (isCreateRcfile.isCreateFile) {
        let registryNameAnswer = await inquirer.prompt({
          type: 'input',
          name: 'registry',
          message: 'Please enter registry name'
        });

        if (!registryNameAnswer.registry) {
          throw new Error('bad registry name');
        }

        await fs.writeFile(
          path.join(options.targetDirectory, '.builderrc'),
          JSON.stringify({ registry: registryNameAnswer.registry }, null, 2),
          'utf8'
        );
      } else {
        throw new Error('.builderrc file not found');
      }
    }

    const fileString = await fs.readFile(path.join(options.targetDirectory, '.builderrc'), 'utf8');

    const { registry } = JSON.parse(fileString);

    await execa('cd', options.targetDirectory);

    await execaStream('docker', ['build', '-t', registry, '.']);

    console.log();

    if (options.isPush) {
      await execaStream('docker', ['push', registry]);
    }

    process.exit(0);
  } catch (e) {
    console.log(chalk.red(e.message));
    console.error(e);
    process.exit(1);
  }
}