Homarr/src/pages/api/docker/containers.tsx

import { NextApiRequest, NextApiResponse } from 'next';

import Docker from 'dockerode';

const docker = new Docker();

async function Get(req: NextApiRequest, res: NextApiResponse) {
  docker.listContainers({ all: true }, (err, containers) => {
    if (err) {
      res.status(500).json({ error: err });
    }
    return res.status(200).json(containers);
  });
}

export default async (req: NextApiRequest, res: NextApiResponse) => {
  // Filter out if the reuqest is a POST or a GET
  if (req.method === 'GET') {
    return Get(req, res);
  }
  return res.status(405).json({
    statusCode: 405,
    message: 'Method not allowed',
  });
};