Deploying to my site Error: Cannot find module

[warmkenley]

I failed to create IBM Cloud account due to credit card but I have my own vps so I directly try to follow Deploying to my site but face below error

root@arm:~ # git clone https://github.com/shellyln/kanban-board-app.git
Cloning into 'kanban-board-app'...
remote: Enumerating objects: 644, done.
remote: Counting objects: 100% (91/91), done.
remote: Compressing objects: 100% (65/65), done.
remote: Total 644 (delta 51), reused 49 (delta 24), pack-reused 553
Receiving objects: 100% (644/644), 1.87 MiB | 4.51 MiB/s, done.
Resolving deltas: 100% (396/396), done.
root@arm:~ # cd kanban-board-app
root@arm:~/kanban-board-app# npm ci

core-js@2.6.12 postinstall /root/kanban-board-app/node_modules/babel-runtime/node_modules/core-js
node -e "try{require('./postinstall')}catch(e){}"

ejs@2.7.4 postinstall /root/kanban-board-app/node_modules/ejs
node ./postinstall.js

internal/modules/cjs/loader.js:638
throw err;
^

Error: Cannot find module '/root/kanban-board-app/node_modules/ejs/postinstall.js'
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:636:15)
at Function.Module._load (internal/modules/cjs/loader.js:562:25)
at Function.Module.runMain (internal/modules/cjs/loader.js:831:12)
at startup (internal/bootstrap/node.js:283:19)
at bootstrapNodeJSCore (internal/bootstrap/node.js:623:3)
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! ejs@2.7.4 postinstall: node ./postinstall.js
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the ejs@2.7.4 postinstall script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR! /root/.npm/_logs/2021-12-05T17_39_35_745Z-debug.log

PS... Is there any alternative option for database other than IBM Cloud?