To run the server you should run this command on path of nodejs folder
node app.js To test apis (Bouns point) Write this command in terminal But note:you will check if node js server is Running or not If it is running, you should stop it And run this command : npm test
To test caching server (Bouns point) you will check the network tap on console you will show the last time you make request it's time less than first time request and you can check test file and watch the terminal
First Route: you can call this api after run the server http://localhost:3001/api/posts?tag=health,tech&sortBy=likes&direction=asc it will return this result { "posts": [ { "author": "Adalyn Blevins", "authorId": 11, "id": 37, "likes": 107, "popularity": 0.55, "reads": 35946, "tags": [ "tech", "health", "history" ] }, { "author": "Lainey Ritter", "authorId": 1, "id": 76, "likes": 122, "popularity": 0.01, "reads": 75771, "tags": [ "tech", "health", "politics" ] }, { "author": "Rylee Paul", "authorId": 9, "id": 1, "likes": 960, "popularity": 0.13, "reads": 50361, "tags": [ "tech", "health" ] }, { "author": "Jon Abbott", "authorId": 4, "id": 95, "likes": 985, "popularity": 0.42, "reads": 55875, "tags": [ "politics", "tech", "health", "history" ] } ] } Second Route: http://localhost:3001/api/ping will return object like this : { success: true, }