website/docs: add websocket support to nginx snippets

[BeryJu]

Details

closes #3637

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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)

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.43%. Comparing base (0ea1c8f) to head (457ca89).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #9220   +/-   ##
=======================================
  Coverage   92.42%   92.43%           
=======================================
  Files         646      646           
  Lines       31985    31985           
=======================================
+ Hits        29562    29565    +3     
+ Misses       2423     2420    -3     

Flag	Coverage Δ
e2e	50.37% <ø> (+0.02%)	⬆️
integration	26.29% <ø> (ø)
unit	89.82% <ø> (ø)

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

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[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-ghcr.io/goauthentik/dev-server:gh-457ca89cafda38ddd3b6c53c32c96491c7441852
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-457ca89cafda38ddd3b6c53c32c96491c7441852-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-457ca89cafda38ddd3b6c53c32c96491c7441852

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-457ca89cafda38ddd3b6c53c32c96491c7441852-arm64

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