diff --git a/README.md b/README.md
index ebde6ab..e792937 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@ Please follows steps below to run Modcolle
 3. Copy `/deployment/nginx/nginx.conf` to `\path\to\nginx\conf`. Make sure to backup nginx.conf first before overwrite.
 4. Inside nginx.conf replace `app1` and `DOMAIN_NAME` with `localhost`
 5. Start nginx
-6. Type `npm install pm2 -g` and run `pm2 start process.json`
+6. Type `npm install pm2 -g` and run `pm2 start process.yml`
 7. Open a browser and type `localhost` in the url
 
 ## Starting the Application
@@ -56,7 +56,7 @@ npm start
 
 In cluster mode using [PM2](https://npmjs.org/packages/pm2)
 ```
-pm2 start process.json
+pm2 start process.yml
 ```
 
 In development mode with [nodemon](https://npmjs.org/packages/nodemon) and [browser-sync](https://npmjs.org/packages/browser-sync)
@@ -66,7 +66,7 @@ npm run dev
 
 ## Configuration
 `.env.json` is the common configuration for Modcolle which will be created on first-time start or test by copying `.env.json.template` (no overwrite if file already exists).
-At `env` section in `process.json` are environment variables that will override `.env.json` for running in production environment.
+At `env` section in `process.yml` are environment variables that will override `.env.json` for running in production environment.
 
 ### Environment Variables
 - LOGGER_SILENT: if `false` enables log, `true` disables log
diff --git a/process.json b/process.json
deleted file mode 100644
index 20206b2..0000000
--- a/process.json
+++ /dev/null
@@ -1,17 +0,0 @@
-{
-  "apps": [{
-    "name": "Modcolle",
-    "script": "bin/www",
-    "watch": false,
-    "instances": 0,
-    "merge_logs": true,
-    "exec_mode": "cluster_mode",
-    "error_file": "./log/error.log",
-    "out_file": "./log/out.log",
-    "pid_file": "./log/modcolle.pid",
-    "env": {
-      "NODE_ENV": "production",
-      "PORT": 5000
-    }
-  }]
-}
diff --git a/process.yml b/process.yml
new file mode 100644
index 0000000..ee096b0
--- /dev/null
+++ b/process.yml
@@ -0,0 +1,14 @@
+apps:
+   - name: Modcolle
+     script: bin/www
+     watch: false
+     instances: 0
+     merge_logs: true
+     exec_mode: cluster_mode
+     error_file: ./log/error.log
+     out_file: ./log/out.log
+     pid_file: ./log/modcolle.pid
+
+     env:
+      NODE_ENV: production
+      PORT: 5000