If you are like me, and forget your container password, you can reset it like so:
nick@denver:/mnt/.ix-apps/app_mounts/portainer/data$ sudo docker run --rm
-v /mnt/.ix-apps/app_mounts/portainer/data:/data
portainer/helper-reset-password
{"level":"info","filename":"portainer.db","time":"2026-01-05T04:35:04Z","message":"loading
PortainerDB"}
2026/01/05 04:35:04 Password successfully updated for user: admin
2026/01/05 04:35:04 Use the following password to login:
kjrehfsekjrghsredkhesrgkj