Express Server

install dependencies:

npm install express
npm install cors

Create a start script on package.json file:

  "scripts": {
    "start": "node src/app.js"
  },

01 Running a minimal express server

run the server

npm install
and
npm start
or
node src/server.js

---

02 First endpoint (Text/plain Hello World)

curl -X GET http://localhost:4001/

03 POST data to the server

curl -X POST http://localhost:4001/ -H 'Content-Type: application/json' -d "{\"temperature\": 42}"

04 GET data saved on server & DELETE endpoint

curl -X DELETE http://localhost:4001/

05 Changing object values with PUT and query & path parameters

curl -X PUT http://localhost:4001/<temperature>?id=<id>

06 Path paramenters Vs Query parameters

curl -X GET http://localhost:4001/<id>
curl -X DELETE http://localhost:4001/query?id=<id>

07 Separation of Concerns (SOC) Temperature routes

curl -X POST http://localhost:4001/temperature -H 'Content-Type: application/json' -d "{\"temperature\": <value>}"
curl -X GET http://localhost:4001/temperature
curl -X GET http://localhost:4001/temperature/<id>
curl -X PUT http://localhost:4001/temperature/<temperature>?id=<id>
curl -X DELETE http://localhost:4001/temperature
curl -X DELETE http://localhost:4001/temperature/query?id=<id>

08 Server Side Render

chrome: http://localhost:4001/