No. you have to change your caddy settings so that it listens on a different port. whatever port you pick you have to change your port forwarding settings in your router to use that port.
Jellyfin 10.10.3 (Docker)
Ubuntu 24.04 LTS
Intel i3 12100
Intel Arc A380
OS drive - SK Hynix P41 1TB
Storage
3x WD Red Pro 6TB CMR in RAIDZ1 (JF Library)