You want the environment: node that includes process.

Update the env section of your .eslintrc.js file to include it:

  env: {
    node: true,
  },

Since Next.js runs code in both the browser and server (Node.js) environments, you'll want both node and browser environments:

  env: {
    node: true,
    browser: true,
  },

Do this:

{/* your code comment */}

That should solve the issue for you.

You can use res.writeHead() to do this. This will allow you to set a new location on the response header.

To do this, you can update your getInitialProps() function to this:

static async getInitialProps({ query, req, res }) {
  const apiResult = await getImageByFilename(query.filename, req);

  if (boolean) {
    res.writeHead(302, {
      Location: "/different-page"
    });

    res.end();
  }

  return {
    data: apiResult.data,
  };
}

If the given boolean value is true, you'll be redirected to the /different-page page.

The 302 code indicates that it's a redirect.

Nodemon has an --ignore flag you can add to the nodemon command.

Ignore a file:

nodemon ignore lib/data.json

You can also do a pattern to ignore changes in all json files:

nodemon --ignore '*.json'

docker -v command works as well.