refactor: move global acme challenge location to $globals.config

nginx.tmpl

@@ -25,6 +25,7 @@
 {{- $_ := set $config "ssl_policy" (or ($globals.Env.SSL_POLICY) "Mozilla-Intermediate") }}
 {{- $_ := set $config "enable_debug_endpoint" ($globals.Env.DEBUG_ENDPOINT | default "false") }}
 {{- $_ := set $config "hsts" ($globals.Env.HSTS | default "max-age=31536000") }}
+{{- $_ := set $config "acme_http_challenge" ($globals.Env.ACME_HTTP_CHALLENGE_LOCATION | default "true") }}
 {{- $_ := set $globals "config" $config }}
 
 {{- $_ := set $globals "vhosts" (dict) }}
@@ -680,7 +681,7 @@ proxy_set_header Proxy "";
     {{- end }}
     {{- $http2_enabled := parseBool (or (first (keys (groupByLabel $vhost_containers "com.github.nginx-proxy.nginx-proxy.http2.enable"))) $globals.Env.ENABLE_HTTP2 "true")}}
     {{- $http3_enabled := parseBool (or (first (keys (groupByLabel $vhost_containers "com.github.nginx-proxy.nginx-proxy.http3.enable"))) $globals.Env.ENABLE_HTTP3 "false")}}
-    {{- $acme_http_challenge := or (first (groupByKeys $vhost_containers "Env.ACME_HTTP_CHALLENGE_LOCATION")) $globals.Env.ACME_HTTP_CHALLENGE_LOCATION "true" }}
+    {{- $acme_http_challenge := groupByKeys $vhost_containers "Env.ACME_HTTP_CHALLENGE_LOCATION" | first | default $globals.config.acme_http_challenge }}
     {{- $acme_http_challenge_legacy := eq $acme_http_challenge "legacy" }}
     {{- $acme_http_challenge_enabled := false }}
     {{- if (not $acme_http_challenge_legacy) }}