Tag: Docker

All the articles with the tag "Docker".

• Upgrading four PostgreSQL instances to 18.2 in Docker

  21 Feb, 2026

  • 6 min read • postgresql

  I upgraded Miniflux, Invidious, a Django app, and Mastodon from PostgreSQL 15/17 to 18.2. Every single one broke in a different way.

• The Lazy Sysadmin's Guide to Docker Maintenance

  7 Feb, 2026

  • 2 min read • docker

  How I sleep soundly while my server updates itself. A guide to Watchtower and Telegram notifications.

• Upgrade Major PostgreSQL version on Docker

  3 Jan, 2023

  • 3 min read • PostgreSQL

  Easily upgrade PostgreSQL in docker, without losing data