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The solution to this can be multiple reverse proxies. Each user runs it’s own reverse proxy (if you actually need one, otherwise you let the container bind directly to a port on the host system). Then you run one main reverse proxy on port 80/443 that proxies to those other ports based on hostname.

The upside of this construction is that containers running as different users can’t directly access each others internal networks, which is much better for security, as those networks often contain barely protected services, which is why you’re using a reverse proxy in the first place.

Edit: there are different options with custom networks and such, but they’re even more complicated so I wouldn’t advise them.

The solution to this can be multiple reverse proxies. Each user runs it’s own reverse proxy (if you actually need one, otherwise you let the container bind directly to a port on the host system). Then you run one main reverse proxy on port 80/443 that proxies to those other ports based on hostname.

The upside of this construction is that containers running as different users can’t directly access each others internal networks, which is much better for security, as those networks often contain barely protected services, which is why you’re using a reverse proxy in the first place.