Check that stac-auth-proxy only makes sens with stac enabled.

Author: pantierra

charts/eoapi/templates/_helpers/validation.tpl

@@ -30,9 +30,13 @@ so we use this helper function to check autoscaling rules
 {{/*
 Validate stac-auth-proxy configuration
 Ensures OIDC_DISCOVERY_URL is set when stac-auth-proxy is enabled
+Ensures stac-auth-proxy cannot be enabled when stac is disabled
 */}}
 {{- define "eoapi.validateStacAuthProxy" -}}
 {{- if index .Values "stac-auth-proxy" "enabled" }}
+{{- if not .Values.stac.enabled }}
+{{- fail "stac-auth-proxy cannot be enabled when stac.enabled is false. Enable stac first or disable stac-auth-proxy." }}
+{{- end }}
 {{- if not (index .Values "stac-auth-proxy" "env" "OIDC_DISCOVERY_URL") }}
 {{- fail "stac-auth-proxy.env.OIDC_DISCOVERY_URL is required when stac-auth-proxy is enabled. Set it to your OpenID Connect discovery URL (e.g., https://your-auth-server/.well-known/openid-configuration)" }}
 {{- end }}