Upgrade Major PostgreSQL version on Docker
Upgrading a PostgreSQL database server to a newer version is a common task for database administrators and developers. In this post, we will discuss how to upgrade a PostgreSQL database server running in a Docker container. On 1 January, I decided to upgrade the PostgreSQL used by my Mastodon instance. It was using PostgreSQL 12 and I think it could used the upgrade to PostgreSQL 15 for that “extra performance and features”....