diff --git a/.env.example b/.env.example
new file mode 100644
index 00000000..7d21478f
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,7 @@
+MARIADB_HOSTNAME=localhost
+MARIADB_USERNAME=root
+MARIADB_PASSWORD=password
+MARIADB_DATABASE=jomon
+MARIADB_PORT=3306
+IS_DEBUG_MODE=true
+UPLOAD_DIR=./uploads
diff --git a/README.md b/README.md
index 61bfceeb..a3e0ebee 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ make down
 
 ## Staging
 
-1. Set .env file.
+1. Set `.env` file. You can refer to `.env.example` as an example.
 
 - `IS_DEBUG_MODE`: Set `true` if you want to run the server in debug mode, otherwise do not set this variable.
 - `PORT`: Port number for Jomon staging server