Update the following database variables as relevant to your Postgres container:
DB_HOSTNAME
DB_USERNAME
DB_PASSWORD
DB_DATABASE_NAME
DB_PORT
If you are using the FolderView plugin go the Docker tab and select "New Folder".
Label it "Immich" and use this URL as the logo: https://raw.githubusercontent.com/immich-app/immich/main/design/immich-logo.png
Then simply select all the Immich related containers before clicking "Submit"