diff --git a/.env.sample b/.env.sample
index 9b60f0e..9bc2b5a 100644
--- a/.env.sample
+++ b/.env.sample
@@ -1,3 +1,5 @@
+APP_ENV
+BACKEND_PORT
 SECRET_MAIN_KEY=refero34o8rfhfjn983thf39fhc943rf923n3h
 ROOT_DIRECTORY=/home/icarus/mydata
 POSTGRES_MAIN_USER=icarus