Oh you can go a lot simpler than that. For 20 years I ran a web dev company that hosted bespoke web sites for theatre companies and restaurants. We ran FreeBSD

Oh you can go a lot simpler than that. For 20 years I ran a web dev company that hosted bespoke web sites for theatre companies and restaurants. We ran FreeBSD, postgreSQL and nginx or H2O-server with sendmail. Never an issue and had fun doing it.