Deploying a node app with Forever is great...until your server restarts unexpectedly.
Then your app stops running and you have to re-deploy.

To get around this, we're going to run our node app as an Upstart service.
Upstart services are great, because, once started, the system auto-restarts them if they fail, or if the server restarts.

###Step 1: Create a service for your node app
- __ssh in as *root*__ `ssh root@youripaddress`
- Create a node-app.conf file in /etc/init<br/>
IMPORTANT: whatever filename you pick is what you will use to start|stop|restart your service i.e. `service node-app start`
```bash
nano /etc/init/node-app.conf
```

- Give the file the following contents
```bash
start on filesystem and started networking
respawn
chdir /home/deploy/node-app
env NODE_ENV=production #change this to staging if this is a staging server
env PORT=3000
exec /usr/local/bin/node bin/www
```

- **Now your app will always start on reboot!**
- You can also now you can start | stop | restart your app with these commands
```bash
start node-app
stop node-app
restart node-app #performs a stop and start. This is all we need for deployments
```

###Step 2: give your `deploy` user permission to restart the node-app service without requiring a password
You can make changes to this entry later by running `visudo` as root, but for now, just run this.
```bash
echo "deploy ALL=(root) NOPASSWD: /sbin/restart node-app" >> /etc/sudoers
```

###Step 3: Adjust your flightplan.js file - remove the forever lines, replacing them with the last line here
View full file, minus these changes [here](https://gist.github.com/learncodeacademy/35045e64d2bbe6eb14f9)
```javascript
remote.log('Reload application');
remote.sudo('ln -snf ~/' + tmpDir + ' ~/'+appName, {user: username});
remote.exec('sudo restart node-app');
```