feat: notes file

Notes.md

@@ -0,0 +1,103 @@
+- Benchmarking for the nodejs server app with the following command:
+
+```
+ab -n 50 -c 500 http://localhost:5000/api/books/allBooks
+```
+
+- The result is:
+
+```
+Benchmarking localhost (be patient)
+Completed 100 requests
+Completed 200 requests
+Completed 300 requests
+Completed 400 requests
+Completed 500 requests
+Finished 500 requests
+
+
+Server Software:
+Server Hostname:        localhost
+Server Port:            5000
+
+Document Path:          /api/books/allBooks
+Document Length:        3395 bytes
+
+Concurrency Level:      50
+Time taken for tests:   257.060 seconds
+Complete requests:      500
+Failed requests:        0
+Total transferred:      1841000 bytes
+HTML transferred:       1697500 bytes
+Requests per second:    1.95 [#/sec] (mean)
+Time per request:       25706.014 [ms] (mean)
+Time per request:       514.120 [ms] (mean, across all concurrent requests)
+Transfer rate:          6.99 [Kbytes/sec] received
+
+Connection Times (ms)
+              min  mean[+/-sd] median   max
+Connect:        0    0   0.6      0       3
+Processing:  1644 24854 9542.4  23450   61093
+Waiting:     1643 24847 9543.1  23398   61089
+Total:       1644 24855 9542.4  23452   61093
+
+Percentage of the requests served within a certain time (ms)
+  50%  23452
+  66%  26752
+  75%  28745
+  80%  31372
+  90%  36521
+  95%  43263
+  98%  53622
+  99%  58453
+ 100%  61093 (longest request)
+
+```
+
+- process manager pm2 is used to run the nodejs server app in the background. The following command is used to start the nodejs server app:
+
+```
+
+pm2 start server.js
+
+```
+
+- pm2 show server command is used to show the status of the nodejs server app:
+
+```
+
+pm2 show server
+
+```
+
+- pm2 stop server command is used to stop the nodejs server app:
+
+```
+
+pm2 stop server
+
+```
+
+- pm2 delete server command is used to delete the nodejs server app:
+
+```
+
+pm2 delete server
+
+```
+
+- pm2 list command is used to list all the nodejs server apps:
+
+```
+
+pm2 list
+
+```
+
+- pm2 monit command is used to monitor the nodejs server app:
+
+```
+
+pm2 monit
+
+```

backend/package.json

@@ -7,6 +7,7 @@
     "start": "nodemon --exec ts-node index.ts",
     "deploy": "node ./dist/index.js",
     "test": "jest --watchAll --no-cache",
+    "serve": "pm2 start index.ts --watch",
     "test:ci": "jest"
   },
   "jest": {