How to upgrade PostgreSQL from 16 to 17 in Docker postgres-16

How to upgrade PostgreSQL from 16 to 17 in Docker

Upgrading PostgreSQL from 16 to 17 in Docker without losing data: run both versions side by side in docker-compose, back up with pg_dump, restore into the new container, then switch the app over. Five concrete steps plus the gotchas to watch out for.

Oct 28, 2024

Docker cached and delegated to speed up IO docker

Docker cached and delegated to speed up IO

Docker's cached and delegated volume modes explained: how the three consistency options differ, when to relax host-container syncing for faster I/O, and a docker-compose Nginx example showing exactly where to put each flag.

Jan 29, 2024