A quick description of your strapi application
A: For some reasons, some of the yarn version will create issue when install & run, saying the node-modules/sharp image not found. To resolve this, you need to run yarn install; npm rebuild to resolve this issue
A: Admin panel is built in react. Need to run yarn develop --watch-admin to monitor the changes
If you start your application using yarn start or yarn develop the admin will be the old version. Your updates are not applied.
To do so, you have to build the admin panel using the following command yarn build.
pm2 start server.js to manage your strapi project through server.js
or
use pm2 start npm --name app -- run start to to start the project with production environment
or
use pm2 start ecosystem.config.js to start application with config file