Integrate with keycloak

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is there guid for owncloud integrate with keycloak.
I setup keycloak, using openid auth for owncloud. In ‘http’ protocol, I can login and everything is OK. But in ‘https’ protocol, met PKCE error ( more detail: PKCE error with cookie.samesite · Issue #219 · owncloud/openidconnect · GitHub). as suggestion, set cookie.samesite it is no working. I am not sure if wrong config with my keycloak. need help. thanks.

how can i using this owncloud

follow this link GitHub - owncloud/openidconnect: OpenId Connect Integration for ownCloud, will did it