* docs: clarify ingress-nginx integration and remove Lua block example for oauth2-proxy
This PR revises the integration guide for oauth2-proxy with ingress-nginx in Kubernetes:
Recommends the minimal configuration: just auth-url and auth-signin annotations.
Removes the Lua block example, as it did not work in practice despite following nginx documentation and extensive testing.
Clearly states that the official ingress-nginx external auth example is the recommended approach for most users.
Notes that advanced Lua/cookie handling is only needed for rare, advanced scenarios.
Signed-off-by: Jan Larwig <jan@larwig.com>
* doc: update 3 latest docs versions
Signed-off-by: Jan Larwig <jan@larwig.com>
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Signed-off-by: Jan Larwig <jan@larwig.com>
Co-authored-by: Jan Larwig <jan@larwig.com>
Schmitt Paul
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