Build with filtered source

Further nixos module fixes
Add tailwind and esbuild to assets build
Handle domain on session cookies correctly

config/runtime.exs

@@ -46,7 +46,7 @@ if config_env() == :prod do
 
   host = System.get_env("SSO_BSN_HOST") || raise "SSO_BSN_HOST must be set to the external host of the service"
 
-  config :wax_, origin: "https://#{host}/"
+  config :wax_, origin: "https://#{host}"
   config :boruta, Boruta.Oauth, issuer: "https://#{host}/"
 
   config :sso_bsn, :dns_cluster_query, System.get_env("DNS_CLUSTER_QUERY")