Dev

.gitignore

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 node_modules
-.DS_Store
 updates

DEPLOYMENT.md

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+# Deployment server configuration
+
+## Using pm2 to run the server as a service
+
+https://www.digitalocean.com/community/tutorials/how-to-set-up-a-node-js-application-for-production-on-ubuntu-16-04
+
+```bash
+sudo npm install -g pm2
+#cd auto-update-server
+#pm2 start app.js
+
+pm2 startup systemd
+# => sudo env PATH=$PATH:/usr/bin /usr/local/lib/node_modules/pm2/bin/pm2 startup systemd -u ubuntu --hp /home/ubuntu
+
+# utils
+systemctl status pm2-ubuntu.service
+pm2 list
+pm2 restart app_name_or_id
+```
+
+## Using process.env to setup USERNAME and PASSWORD
+
+pm2 config **/home/ubuntu/pm2-servers.config.js**:
+```
+module.exports = {
+  apps : [
+      {
+        name: "update-server",
+        script: "/home/ubuntu/auto-update-server/app.js",
+        watch: true,
+        env: {
+            "PORT": 3000,
+            "NODE_ENV": "production",
+            "USERNAME": "xxx",
+            "PASSWORD": "xxx"
+        }
+      }
+  ]
+}
+```
+
+pm2 is **launched** as:
+```
+pm2 start pm2-servers.config.js
+```