You must edit cezerin configs and setup new domain name at configs.
/cezerin2/config/server.js
Change:
http://localhost:3000 to https://your-domain-name.com
http://localhost:3001 to https://your-domain-name.com
http://localhost:3002 to https://admin.your-domain-name.com
/cezerin2-store/config/store.js
Change:
http://localhost:3001 to https://your-domain-name.com
/cezerin2-admin/config/admin.js
Change:
http://localhost:3001 to https://your-domain-name.com
Change:
ws://localhost:3001 to wss://your-domain-name.com
Rebuild & restart apps with new configs:
cezerin (backend app does not need to be build, just reload):
pm2 reload api
cezerin2-store:
npm run build
pm2 reload store
cezerin2-admin:
npm run build
pm2 reload admin
P.S. Example of configs for cezerin.org domain you can download here cezerin2-config-sample.zip