This post looks at how to migrate a Postgres Docker image to a newer version. Iwill dump all databases contained in a container and migrate them all into a newcontainer. The process outlined works for any Postgres container, but I discussit in the context of my Nextcloud setup. My Setup I have Nextcloud running in containers, with the composition detailed in adocker-compose.yml file: Nextcloud PostgreSQL 11 Redis Nginx (reverse proxy) Postgres 11 was EOL for over a year, so it was time to mig...
