Automatically pushing main branch to multiple repositories after each commit

.git_hooks_post-commit

# cat .git/hooks/post-commit # <= change this file in your repo to automatiicaly execute after each commit
#!/bin/bash

cd /path/to/your/repo
git push gitlab master && git push github master && git push anotherserver master

# You may want to add your different remotes using:
# git remote add REMOTENAME git@server.domain:group/project.git #this is ssh example
# (and REMOTENAME above was gitlab, github, anotherserver...)

https://twitter.com/GWierzowiecki/status/1651660458942668807