Tag
Tag: docker
All the articles with the tag "docker".
12 Sept 2026 · 9 min readcaddy
Hardening Caddy with Coraza WAF and Fail2ban (And Almost Breaking Mastodon)
How I added the OWASP Coraza WAF to Caddy, caught a bot sending 29,000 requests, avoided breaking Fediverse federation, and banned repeat offenders with Fail2ban.
Continue reading →12 Mar 2026 · 5 min readcaddy
Adding Brotli Compression to Caddy
Caddy doesn't ship with Brotli support out of the box. Here's how I added it with xcaddy and a custom Docker build.
Continue reading →21 Feb 2026 · 6 min readpostgresql
Upgrading four PostgreSQL instances to 18.2 in Docker
I upgraded Miniflux, Invidious, a Django app, and Mastodon from PostgreSQL 15/17 to 18.2. Every single one broke in a different way.
Continue reading →7 Feb 2026 · 2 min readdocker
The Lazy Sysadmin's Guide to Docker Maintenance
How I sleep soundly while my server updates itself. A guide to Watchtower and Telegram notifications.
Continue reading →3 Jan 2023 · 3 min readPostgreSQL
Upgrade Major PostgreSQL version on Docker
Easily upgrade PostgreSQL in docker, without losing data
Continue reading →