Rootless Podman on a Raspberry Pi – Solving the “Cannot Bind Mount /home/user/data” Permission Issue
The Raspberry Pi has become a favorite platform for home‑lab enthusiasts, and Podman’s rootless mode lets you run containers without granting the container process full system privileges.
On a Pi running Raspberry OS Bookworm (Debian 12), a common stumbling block is the error
Error: cannot bind mount /home/user/data: permission denied
when you try to persist data with -v /home/user/data:/data.
Below is a step‑by‑step guide that explains why the error happens, how to fix it, and what security trade‑offs you should be aware of.