Function removeServiceFromDockerCompose

self-hosting/quiz.ts:89–139

(serviceName: string)

}

function removeServiceFromDockerCompose(serviceName: string) {
  const dockerComposePath = path.resolve(__dirname, 'docker-compose.yml');
  const dockerComposeContent = fs.readFileSync(dockerComposePath, 'utf-8');

  // Parse the YAML file
  const dockerCompose = yaml.load(dockerComposeContent) as DockerComposeFile;

  // Remove the service
  if (dockerCompose.services[serviceName]) {
    delete dockerCompose.services[serviceName];
    console.log(`Service '${serviceName}' has been removed.`);
  } else {
    console.log(`Service '${serviceName}' not found.`);
    // return;
  }

  // filter depends_on
  Object.keys(dockerCompose.services).forEach((service) => {
    const serviceConfig = dockerCompose.services[service];
    if (serviceConfig?.depends_on) {
      if (Array.isArray(serviceConfig.depends_on)) {
        // Handle legacy array format
        serviceConfig.depends_on = serviceConfig.depends_on.filter(
          (dep) => dep !== serviceName,
        );
      } else {
        // Handle new object format
        if (serviceConfig.depends_on[serviceName]) {
          delete serviceConfig.depends_on[serviceName];
        }
      }
    }
  });

  // filter volumes
  Object.keys(dockerCompose.volumes ?? {}).forEach((volume) => {
    if (dockerCompose.volumes && volume.startsWith(serviceName)) {
      delete dockerCompose.volumes[volume];
    }
  });

  if (Object.keys(dockerCompose.volumes ?? {}).length === 0) {
    delete dockerCompose.volumes;
  }

  // Convert the object back to YAML
  const newYaml = yaml.dump(dockerCompose, {
    lineWidth: -1,
  });
  fs.writeFileSync(dockerComposePath, newYaml);
}

function writeEnvFile(envs: EnvVars) {
  const envTemplatePath = path.resolve(__dirname, '.env.template');