fix dev/prod settings

sdbs_pile/settings.py

@@ -19,11 +19,13 @@ BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 # See https://docs.djangoproject.com/en/3.0/howto/deployment/checklist/
 
 # SECURITY WARNING: keep the secret key used in production secret!
-SECRET_KEY = 'x5j0*70$a&l*n_@kn=j%4_@_+ismdl-o8!z0@vyjfl0tt+nlxx'
+SECRET_KEY = os.getenv("SECRET_KEY")
 
-# SECURITY WARNING: don't run with debug turned on in production!
+if os.getenv("DEV"):
     DEBUG = True
-
+    ALLOWED_HOSTS = []
+else:
+    DEBUG = False
     ALLOWED_HOSTS = ["pile.sdbs.cz"]
 
 # Application definition