v12.18.3
RUN npm install && npm start
It should open a new page automatically, in case it doesn't:
http://localhost:3000/
Typescript and React Create App just released new versions with breaking bugs changes, the app may not start correctly
if you wanna run it locally.
In case you meet error like:
~/surge-code-challenge/node_modules/react-scripts/scripts/utils/verifyTypeScriptSetup.js:239
appTsConfig.compilerOptions[option] = value;
^
TypeError: Cannot assign to read only property 'jsx' of object '#<Object>'
A temporary solution is try to remove the tsconfig.json file and RUN npm start again.