Customize Authentik
Open authentik--->Admin interface--->Flows and
stages--->Flows
Click on edit button for default-authenticatio-flow
Change name and title
Open Appearance settings.
Change background.
Click on apply
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copy .svg and .icon files to --->
/root/docker/authentik/media/public
Use https://convertio.co/ to convert .jpg to .svg
Goto System---Brands or Tenants
Click on edit button for authentik-default
Change title
change the logo and favicon
/media/public/icons
/media/public/icons
Click on apply