Include:Using Internet Repositories for apk-tools

Edit the /etc/apk/repositories file using any editor of your choice (nano for instance).

Contents of /etc/apk/repositories

http://dl-3.alpinelinux.org/alpine/3.22/main http://dl-3.alpinelinux.org/alpine/3.22/community

In the above file, to upgrade Alpine Linux from version 3.22 to 3.23, simply replace the number 3.22 by 3.23 in all the places:

Contents of /etc/apk/repositories

http://dl-3.alpinelinux.org/alpine/3.23/main http://dl-3.alpinelinux.org/alpine/3.23/community