How to self-host a website (home or VPS)
Pick home or a VPS first, then put a static site live on nginx: server block, DNS record, firewall rule and TLS certificate, and what changes for an app.
#lets-encrypt
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Certbot wildcard certificates with DNS-01
Issue a wildcard certificate with Certbot using the DNS challenge. How the TXT record proof works, which plugin to install, and how renewal stays automatic.
Traefik reverse proxy: 5 apps, one Compose file
Run five apps behind one IP with Traefik v3 on Docker Compose: routing by Host rule, automatic Let's Encrypt TLS, and the acme.json trap that blocks issuance.
Install Certbot for Apache on Ubuntu 24.04
One command gives Apache a free Let's Encrypt cert on Ubuntu 24.04. Skip snap: apt ships Certbot 2.9.0. Plus the ServerName trap that blocks issuance.
Caddy Reverse Proxy on a VPS, Pinned to 2.11.7
Put two apps behind Caddy 2.11.7 with automatic HTTPS and a version hold, then fix the 431 errors and dropped headers that recent releases bring.
Install Certbot for nginx on Ubuntu 24.04
sudo apt install certbot python3-certbot-nginx, then one certbot --nginx run for a Let's Encrypt cert. Plus apt vs snap and the port 80 renewal timeout.