fix: allow only keyvault name instead of full url.

src/lib/config.ts

@@ -48,7 +48,10 @@ export function loadConfig(): Config {
   }
 
   return {
-    keyVaultUrl: process.env['ACME_KEYVAULT_URL'],
+    keyVaultUrl: process.env['ACME_KEYVAULT_URL'] ??
+      (process.env['ACME_KEYVAULT_NAME']
+        ? `https://${process.env['ACME_KEYVAULT_NAME']}.vault.azure.net`
+        : undefined),
     acmeDirectoryUrl: optionalEnv(
       'ACME_DIRECTORY_URL',
       'https://acme-v02.api.letsencrypt.org/directory'