diff --git a/README.md b/README.md
index a8ba58a..0d90a07 100644
--- a/README.md
+++ b/README.md
@@ -56,6 +56,7 @@ The installer:
 | `IRIS_HOME` | `~/.iris` | Installation directory |
 | `IRIS_VERSION` | `latest` | Specific version to install (e.g. `1.1.2`) |
 | `IRIS_INSTALL_METHOD` | `auto` | Force `pip` or `pipx` |
+| `IRIS_SERVER_URL` | `https://iris.clickbus.com` | Platform URL used by `iris login` and `iris install` — override for local dev |
 
 **Uninstall:**
 
diff --git a/iris/cli.py b/iris/cli.py
index d7b6a80..5e84921 100644
--- a/iris/cli.py
+++ b/iris/cli.py
@@ -869,7 +869,7 @@ def _run_login(argv: list[str]) -> None:
 
     # Manual token login (for CI/CD)
     if token:
-        s = server or os.environ.get("IRIS_SERVER_URL") or "http://localhost:3000"
+        s = server or os.environ.get("IRIS_SERVER_URL") or "https://iris.clickbus.com"
         if not manual_login(s, token):
             sys.exit(1)
         return
@@ -1272,7 +1272,7 @@ def _run_upgrade() -> None:
     except Exception:
         pass
     server_url = (
-        os.environ.get("IRIS_SERVER_URL") or config_server or "http://localhost:3000"
+        os.environ.get("IRIS_SERVER_URL") or config_server or "https://iris.clickbus.com"
     ).rstrip("/")
 
     install_url = f"{server_url}/install.sh"
diff --git a/iris/platform/auth.py b/iris/platform/auth.py
index be6d5b3..85dbd8c 100644
--- a/iris/platform/auth.py
+++ b/iris/platform/auth.py
@@ -11,7 +11,7 @@
 
 from iris.platform.config import load_config, save_config
 
-DEFAULT_SERVER = os.environ.get("IRIS_SERVER_URL", "http://localhost:3000")
+DEFAULT_SERVER = os.environ.get("IRIS_SERVER_URL", "https://iris.clickbus.com")
 TIMEOUT_SECONDS = 120