Switching over to using unix sockets for ICP

roles/authentik/templates/authentik.pod.j2

@@ -9,6 +9,10 @@ After=network-online.target
 [Pod]
 PodName={{ authentik_pod_name }}
 Network={{ authentik_network_name }}
+
+# Mount Unix socket for PostgreSQL (Valkey uses TCP via host.containers.internal)
+Volume=/run/postgresql:/run/postgresql:ro
+# Host gateway allows access to localhost services
 {% if authentik_enable_host_gateway | default(true) %}
 AddHost=host.containers.internal:host-gateway
 {% endif %}
@@ -18,4 +22,4 @@ PublishPort={{ authentik_http_port }}:9000
 PublishPort={{ authentik_https_port }}:9443
 
 [Install]
-WantedBy=default.target
+WantedBy=default.target