diff --git a/server/src/builder.rs b/server/src/builder.rs
index ad27ffa..e9df54d 100644
--- a/server/src/builder.rs
+++ b/server/src/builder.rs
@@ -118,16 +118,21 @@ async fn run_build(state: &AppState, deploy_id: &str) -> anyhow::Result<()> {
     )
     .await?;
 
+    let domain_suffix = std::env::var("DOMAIN_SUFFIX").unwrap_or_else(|_| "localhost".into());
+    let caddy_api_url = std::env::var("CADDY_API_URL").unwrap_or_else(|_| "http://localhost:2019".into());
+
     let mut child = Command::new("bash")
         .arg(&build_script)
-        .env("APP_ID",    &app.id)
-        .env("APP_NAME",  &app.name)
-        .env("REPO_URL",  &app.repo_url)
-        .env("BRANCH",    &app.branch)
-        .env("PORT",      app.port.to_string())
-        .env("ENV_FILE",  &env_file)
-        .env("SHA",       deploy.sha.as_deref().unwrap_or(""))
-        .env("BUILD_DIR", &build_dir)
+        .env("APP_ID",       &app.id)
+        .env("APP_NAME",     &app.name)
+        .env("REPO_URL",     &app.repo_url)
+        .env("BRANCH",       &app.branch)
+        .env("PORT",         app.port.to_string())
+        .env("ENV_FILE",     &env_file)
+        .env("SHA",          deploy.sha.as_deref().unwrap_or(""))
+        .env("BUILD_DIR",    &build_dir)
+        .env("DOMAIN_SUFFIX",  &domain_suffix)
+        .env("CADDY_API_URL",  &caddy_api_url)
         .stdout(std::process::Stdio::piped())
         .stderr(std::process::Stdio::piped())
         .spawn()