auth-proxy: proxies only authenticated requests to upstream, redirects to login page otherwise (#103)

* auth-proxy: inspects authenticated user

* ingress: chart and use in rpuppy

* auth-proxy: make it optional in rpuppy

* kratos: whitelist env pub/priv domains for auth return_to addr

* url-shortener: put behind auth-proxy

* pihole: replace oauth2-client with auth-proxy

* auth-proxy: fix upstream uri generation

* pihole: remove old chart using oauth2

* auth-proxy: remove temporary values file

* url-shortener: check x-user header for authentication

* auth: fix allowed_return_urls list

* auth-proxy: fix current address generation logic

---------

Co-authored-by: Giorgi Lekveishvili <lekva@gl-mbp-m1-max.local>
diff --git a/core/auth/ui/Makefile b/core/auth/ui/Makefile
index f3b9b63..23ae76b 100644
--- a/core/auth/ui/Makefile
+++ b/core/auth/ui/Makefile
@@ -1,5 +1,8 @@
 repo_name ?= dtabidze
 podman ?= docker
+ifeq ($(podman), podman)
+manifest_dest=docker://docker.io/$(repo_name)/pcloud-installer:latest
+endif
 
 clean:
 	rm -f server server_*
@@ -32,5 +35,5 @@
 
 push: push_arm64 push_amd64
 	$(podman) manifest create $(repo_name)/auth-ui:latest $(repo_name)/auth-ui:arm64 $(repo_name)/auth-ui:amd64
-	$(podman) manifest push $(repo_name)/auth-ui:latest
+	$(podman) manifest push $(repo_name)/auth-ui:latest $(manifest_dest)
 	$(podman) manifest rm $(repo_name)/auth-ui:latest