brands: add option to set global default flow background

[BeryJu]

Details

#2364

---

Checklist

• Local tests pass (ak test authentik/)
• The code has been formatted (make lint-fix)

If an API change has been made

• The API schema has been updated (make gen-build)

If changes to the frontend have been made

• The code has been formatted (make web)

If applicable

• The documentation has been updated
• The documentation has been formatted (make website)

[netlify]

✅ Deploy Preview for authentik-storybook ready!

Name	Link
🔨 Latest commit	f6b2bb3
🔍 Latest deploy log	https://app.netlify.com/sites/authentik-storybook/deploys/67d1dcfeb100cf00089c8a8a
😎 Deploy Preview	https://deploy-preview-13079--authentik-storybook.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[netlify]

✅ Deploy Preview for authentik-docs canceled.

Name	Link
🔨 Latest commit	f6b2bb3
🔍 Latest deploy log	https://app.netlify.com/sites/authentik-docs/deploys/67d1dcfe90f06b0008214a81

[codecov]

Codecov Report

Attention: Patch coverage is 87.50000% with 1 line in your changes missing coverage. Please review.

Project coverage is 92.68%. Comparing base (ab6595b) to head (f6b2bb3).
Report is 1 commits behind head on main.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
authentik/brands/models.py	80.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #13079   +/-   ##
=======================================
  Coverage   92.68%   92.68%           
=======================================
  Files         794      794           
  Lines       40419    40423    +4     
=======================================
+ Hits        37463    37468    +5     
+ Misses       2956     2955    -1     

Flag	Coverage Δ
e2e	47.86% <87.50%> (+0.01%)	⬆️
integration	24.08% <50.00%> (+<0.01%)	⬆️
unit	90.51% <87.50%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[notion-workspace]

Add support for Brand-level default flow background

[github-actions]

authentik PR Installation instructions

Instructions for docker-compose

Add the following block to your .env file:

AUTHENTIK_IMAGE=ghcr.io/goauthentik/dev-server
AUTHENTIK_TAG=gh-f6b2bb31867931f31b543c008d1b4c21d7966fb7
AUTHENTIK_OUTPOSTS__CONTAINER_IMAGE_BASE=ghcr.io/goauthentik/dev-%(type)s:gh-%(build_hash)s

Afterwards, run the upgrade commands from the latest release notes.

Instructions for Kubernetes

Add the following block to your values.yml file:

authentik:
    outposts:
        container_image_base: ghcr.io/goauthentik/dev-%(type)s:gh-%(build_hash)s
global:
    image:
        repository: ghcr.io/goauthentik/dev-server
        tag: gh-f6b2bb31867931f31b543c008d1b4c21d7966fb7

Afterwards, run the upgrade commands from the latest release notes.