diff --git a/Makefile b/Makefile
index befe701..4207a9c 100644
--- a/Makefile
+++ b/Makefile
@@ -15,6 +15,6 @@ generate:
 test:
 	go test ./internal/...
 docker_build:
-	docker build -t registry.computernetthings.ru/recipes/app .
+	docker build -t registry.computernetthings.ru/recipes/app . && docker image prune -f
 docker_push:
-        docker push registry.computernetthings.ru/recipes/app
+	docker push registry.computernetthings.ru/recipes/app
diff --git a/env.example b/env.example
new file mode 100644
index 0000000..107271f
--- /dev/null
+++ b/env.example
@@ -0,0 +1,11 @@
+API_HOST=recipesapi.computernetthings.ru
+FRONTEND_HOST=recipes.computernetthings.ru
+# database
+DB_NAME=pguser
+DB_USER=pguser
+DB_PASSWORD=password
+# object storage
+MINIO_ROOT_USER=user
+MINIO_ROOT_PASSWORD=password
+# cache
+RDB_PASSWORD=password