TypeError [ERR_INVALID_ARG_TYPE]

[mikeck1]

Steps to recreate:

1. Install docker compose
2. Clone this repository
3. git clone https://github.com/naorye/docker-compose-django-react-postgres.git myapp
4. Run docker-compose up
5. Go to localhost:3000 and it shows in the browser the following error:

TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Received type undefined
    at validateString (internal/validators.js:107:11)
    at Object.join (path.js:1037:7)
    at noopServiceWorkerMiddleware (/app/frontend/node_modules/react-dev-utils/noopServiceWorkerMiddleware.js:14:26)
    at Layer.handle [as handle_request] (/app/frontend/node_modules/express/lib/router/layer.js:95:5)
    at trim_prefix (/app/frontend/node_modules/express/lib/router/index.js:317:13)
    at /app/frontend/node_modules/express/lib/router/index.js:284:7
    at Function.process_params (/app/frontend/node_modules/express/lib/router/index.js:335:12)
    at next (/app/frontend/node_modules/express/lib/router/index.js:275:10)
    at launchEditorMiddleware (/app/frontend/node_modules/react-dev-utils/errorOverlayMiddleware.js:20:7)
    at Layer.handle [as handle_request] (/app/frontend/node_modules/express/lib/router/layer.js:95:5)
    at trim_prefix (/app/frontend/node_modules/express/lib/router/index.js:317:13)
    at /app/frontend/node_modules/express/lib/router/index.js:284:7
    at Function.process_params (/app/frontend/node_modules/express/lib/router/index.js:335:12)
    at next (/app/frontend/node_modules/express/lib/router/index.js:275:10)
    at handleWebpackInternalMiddleware (/app/frontend/node_modules/react-dev-utils/evalSourceMapMiddleware.js:42:7)
    at Layer.handle [as handle_request] (/app/frontend/node_modules/express/lib/router/layer.js:95:5)