Hosting

Notes on setting up a server for hosting multiple web applications

This page has notes and information about setting up a server to host multiple web applications but is not meant to be a linear tutorial. It's a work in progress…

Overview of software used

• Debian 12 "bookworm" with "bookworm-backports" enabled
• systemd-nspawn(1) and machinectl(1) from the systemd-container package
  • for managing containers.
• debootstrap(8) from the debootstrap package
  • for building containers or templates for containers.
• fail2ban
  • for turning one kind of log spam into another kind of log spam.
• PostgreSQL
  • Our web applications need an RDBMS.
• Apache httpd
  • To act as reverse proxy and do TLS termination.
• certbot (letsencrypt)
  • For TLS certificates.
• OpenSSH
  • For remote login sessions.
• nftables
  • For a basic firewall.
• Postfix
  • To act as an MTA for system services that require one, and for containers.