Hi there,
I am really new to Oracle, and am trying to setup a local Oracle XE instance for development purposes.
I am using docker, and pulled an existing image with Oracle XE:

Then, I started a docker container with this image with:

You can see the container is up and running:

The database took a while to complete some setup in the background (notice that it says it is using "admin" as password for SYS and SYSTEM, but went ahead to insert some random password for SYS, SYSTEM and PDBADMIN instead...) :

When I try to log in as SYSDBA, I got:

Can someone please point me in the right direction? I must be missing something along the way? How can I retrieve the password
for SYS, or perhaps setup the right way?
Thank you and your help is appreciated,
Fred