brands: fix context processor when request doesn't have a tenant (cherry-pick #8643)

[gcp-cherry-pick-bot]

Cherry-picked brands: fix context processor when request doesn't have a tenant (#8643)

Signed-off-by: Jens Langhammer jens@goauthentik.io

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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-ghcr.io/goauthentik/dev-server:gh-f93be92b2025d76c2f2f27b91ee7bc67a96644f7
AUTHENTIK_OUTPOSTS__CONTAINER_IMAGE_BASE=ghcr.io/goauthentik/dev-%(type)s:gh-%(build_hash)s

For arm64, use these values:

AUTHENTIK_IMAGE=ghcr.io/goauthentik/dev-server
AUTHENTIK_TAG=gh-ghcr.io/goauthentik/dev-server:gh-f93be92b2025d76c2f2f27b91ee7bc67a96644f7-arm64
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
image:
    repository: ghcr.io/goauthentik/dev-server
    tag: gh-ghcr.io/goauthentik/dev-server:gh-f93be92b2025d76c2f2f27b91ee7bc67a96644f7

For arm64, use these values:

authentik:
    outposts:
        container_image_base: ghcr.io/goauthentik/dev-%(type)s:gh-%(build_hash)s
image:
    repository: ghcr.io/goauthentik/dev-server
    tag: gh-ghcr.io/goauthentik/dev-server:gh-f93be92b2025d76c2f2f27b91ee7bc67a96644f7-arm64

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