1 files changed, 4 insertions, 6 deletions
diff --git a/src/config/runtime.rs b/src/config/runtime.rs
index eeb34f6..a1582e4 100644
--- a/src/config/runtime.rs
+++ b/src/config/runtime.rs
@@ -27,7 +27,7 @@ pub struct RuntimeConfigFirewall {
 
 #[derive(Debug)]
 pub struct RuntimeConfigIgd {
-  pub private_ip: String,
+  pub private_ip: Option<String>,
   pub expiration_time: Duration,
   pub refresh_time: Duration,
 }
@@ -59,7 +59,7 @@ impl RuntimeConfig {
 impl RuntimeConfigAcme {
   pub fn new(opts: ConfigOptsAcme) -> Result<Option<Self>> {
     if !opts.enable {
-      return Ok(None)
+      return Ok(None);
     }
 
     let email = opts.email.expect(
@@ -91,9 +91,7 @@ impl RuntimeConfigFirewall {
 
 impl RuntimeConfigIgd {
   pub(super) fn new(opts: ConfigOptsBase) -> Result<Self> {
-    let private_ip = opts
-      .private_ip
-      .expect("'DIPLONAT_PRIVATE_IP' environment variable is required");
+    let private_ip = opts.private_ip;
     let expiration_time = Duration::from_secs(
       opts
         .expiration_time
@@ -108,7 +106,7 @@ impl RuntimeConfigIgd {
          (currently: {}s)",
         expiration_time.as_secs(),
         refresh_time.as_secs()
-      ))
+      ));
     }
 
     Ok(Self {