diff --git a/bench/tests/test_easy_install.py b/bench/tests/test_easy_install.py
new file mode 100644
index 000000000..31099b58d
--- /dev/null
+++ b/bench/tests/test_easy_install.py
@@ -0,0 +1,60 @@
+import importlib.util
+import os
+import tempfile
+import unittest
+from pathlib import Path
+
+
+EASY_INSTALL_PATH = Path(__file__).resolve().parents[2] / "easy-install.py"
+_spec = importlib.util.spec_from_file_location("easy_install", EASY_INSTALL_PATH)
+easy_install = importlib.util.module_from_spec(_spec)
+_spec.loader.exec_module(easy_install)
+
+
+class TestEasyInstall(unittest.TestCase):
+    def _create_example_env(self, root: str):
+        with open(os.path.join(root, "example.env"), "w") as f:
+            f.write("ERPNEXT_VERSION=v16.0.0\n")
+
+    def test_write_to_env_sets_default_sites_rule(self):
+        with tempfile.TemporaryDirectory() as frappe_docker_dir, tempfile.NamedTemporaryFile() as out_file:
+            self._create_example_env(frappe_docker_dir)
+            easy_install.write_to_env(
+                frappe_docker_dir=frappe_docker_dir,
+                out_file=out_file.name,
+                sites=[],
+                db_pass="db_pass",
+                admin_pass="admin_pass",
+                email="test@example.com",
+                cronstring="@every 6h",
+            )
+
+            with open(out_file.name) as f:
+                env_data = f.read()
+
+        self.assertIn("SITES=`site1.localhost`", env_data)
+        self.assertIn("SITES_RULE=Host(`site1.localhost`)", env_data)
+
+    def test_write_to_env_preserves_provided_sites_rule(self):
+        with tempfile.TemporaryDirectory() as frappe_docker_dir, tempfile.NamedTemporaryFile() as out_file:
+            self._create_example_env(frappe_docker_dir)
+            custom_rule = "Host(`custom.localhost`)"
+            easy_install.write_to_env(
+                frappe_docker_dir=frappe_docker_dir,
+                out_file=out_file.name,
+                sites=["site1.localhost"],
+                db_pass="db_pass",
+                admin_pass="admin_pass",
+                email="test@example.com",
+                cronstring="@every 6h",
+                sites_rule=custom_rule,
+            )
+
+            with open(out_file.name) as f:
+                env_data = f.read()
+
+        self.assertIn(f"SITES_RULE={custom_rule}", env_data)
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/easy-install.py b/easy-install.py
index 00a5b1b5c..3930312b2 100755
--- a/easy-install.py
+++ b/easy-install.py
@@ -84,8 +84,11 @@ def write_to_env(
     http_port: str = None,
     custom_image: str = None,
     custom_tag: str = None,
+    sites_rule: str = None,
 ) -> None:
+    sites = sites or ["site1.localhost"]
     quoted_sites = ",".join([f"`{site}`" for site in sites]).strip(",")
+    sites_rule = sites_rule or " || ".join([f"Host(`{site}`)" for site in sites])
     example_env = get_from_env(frappe_docker_dir, "example.env")
     erpnext_version = erpnext_version or example_env["ERPNEXT_VERSION"]
     env_file_lines = [
@@ -100,6 +103,7 @@ def write_to_env(
         f"LETSENCRYPT_EMAIL={email}\n",
         f"SITE_ADMIN_PASS={admin_pass}\n",
         f"SITES={quoted_sites}\n",
+        f"SITES_RULE={sites_rule}\n",
         "PULL_POLICY=missing\n",
         f'BACKUP_CRONSTRING="{cronstring}"\n',
     ]
@@ -212,6 +216,7 @@ def start_prod(
             email = env["LETSENCRYPT_EMAIL"]
             custom_image = env.get("CUSTOM_IMAGE")
             custom_tag = env.get("CUSTOM_TAG")
+            sites_rule = env.get("SITES_RULE")
 
             version = env.get("ERPNEXT_VERSION", version)
             write_to_env(
@@ -226,6 +231,7 @@ def start_prod(
                 http_port=http_port if not is_https and http_port else None,
                 custom_image=custom_image,
                 custom_tag=custom_tag,
+                sites_rule=sites_rule,
             )
 
         try: