• Clone repository.
• Run npm install or yarn install.
• Run npm run dev or yarn run dev.
• Run npm test or yarn test.
• Serve index.html using live-server or similar.

We need node & npm, as well as packages live-server and eslint installed globally. VSCode's eslint extension is recommended. Command line commands are run inside the project folder. This guide uses npm but should work the same using yarn.

• Learn promise.finally().
• Learn Promise.all().
• Learn POST, PUT, DELETE.
• Learn about preflight requests and CORS.
• Learn to organize endpoints in Postman.
• Learn refs in React.

• Fix the fetchPerson request.
• Show our GET in action in Chrome Devtools Network tab.
• Show how to see different details of the request on the Network Tab.
• Teach promise.finally() and clean up setPerson and setError.
• Teach Promise.all() and use it to fetch two people.
• Implement setPeople so we concatenate the two people to this.state.people.
• Show each new endpoint on mockable.io.
• Make each new endpoint work on Postman.
• Implement postNewPerson, putPerson, deletePerson.
• Dry code.