But is it really a drop-in replacement for docker? Networking seems fundamentally different.

I tried to use a docker compose file for Wordpress as an example, with nginx-proxy-manager in another compose file. They’re linked together through an external network.

Podman works differently. You’re expected to create ‘pods’. I’m not super clear on this (just dipping my toes) but podman seems to be an alternative to k8s, not docker.