diff --git a/uncloud_v3/Makefile b/uncloud_v3/Makefile
index de59802..cadb844 100644
--- a/uncloud_v3/Makefile
+++ b/uncloud_v3/Makefile
@@ -1,5 +1,8 @@
 all: requirements
 
+run: requirements
+	. ./env && python manage.py runserver
+
 requirements: venv
 	. ./venv/bin/activate && pip install -r requirements.txt
 
diff --git a/uncloud_v3/README.md b/uncloud_v3/README.md
new file mode 100644
index 0000000..2c66a09
--- /dev/null
+++ b/uncloud_v3/README.md
@@ -0,0 +1,14 @@
+## Kubernetes integration
+
+### Development / Minikube
+
+To setup a development environment, start minikube on your local
+machine. Use `kubectl get nodes` to verify minikube is up and running.
+
+## Settings
+
+### Environment variables / Settings / Environment
+
+* `SECRET_KEY`
+* `DEBUG`
+* `DATABASE`
diff --git a/uncloud_v3/app/__init__.py b/uncloud_v3/app/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/uncloud_v3/app/admin.py b/uncloud_v3/app/admin.py
new file mode 100644
index 0000000..8c38f3f
--- /dev/null
+++ b/uncloud_v3/app/admin.py
@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.
diff --git a/uncloud_v3/app/apps.py b/uncloud_v3/app/apps.py
new file mode 100644
index 0000000..ed327d2
--- /dev/null
+++ b/uncloud_v3/app/apps.py
@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class AppConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'app'
diff --git a/uncloud_v3/app/migrations/__init__.py b/uncloud_v3/app/migrations/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/uncloud_v3/app/models.py b/uncloud_v3/app/models.py
new file mode 100644
index 0000000..71a8362
--- /dev/null
+++ b/uncloud_v3/app/models.py
@@ -0,0 +1,3 @@
+from django.db import models
+
+# Create your models here.
diff --git a/uncloud_v3/app/tests.py b/uncloud_v3/app/tests.py
new file mode 100644
index 0000000..7ce503c
--- /dev/null
+++ b/uncloud_v3/app/tests.py
@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.
diff --git a/uncloud_v3/app/views.py b/uncloud_v3/app/views.py
new file mode 100644
index 0000000..91ea44a
--- /dev/null
+++ b/uncloud_v3/app/views.py
@@ -0,0 +1,3 @@
+from django.shortcuts import render
+
+# Create your views here.
diff --git a/uncloud_v3/uncloud/settings.py b/uncloud_v3/uncloud/settings.py
index 3b1015e..2e43fe9 100644
--- a/uncloud_v3/uncloud/settings.py
+++ b/uncloud_v3/uncloud/settings.py
@@ -11,6 +11,7 @@ https://docs.djangoproject.com/en/4.0/ref/settings/
 """
 
 from pathlib import Path
+import os
 
 # Build paths inside the project like this: BASE_DIR / 'subdir'.
 BASE_DIR = Path(__file__).resolve().parent.parent
@@ -20,7 +21,7 @@ BASE_DIR = Path(__file__).resolve().parent.parent
 # See https://docs.djangoproject.com/en/4.0/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = 'django-insecure-c9w3)1$s)n2c81&+i@=s5h$1frt9+)4to*i7_tbaei02=j-4bp'
+SECRET_KEY = os.environ['SECRET_KEY'] if 'SECRET_KEY' in os.environ else 'a bad secret key'
 
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True