Preventing conflict between PM2 and Docker env vars

- Separating running method in Docker so that it won't try to use PM2's env vars inside the ecosystem.config.js file

Author: avasconcelos114

Dockerfile

@@ -18,4 +18,4 @@ WORKDIR /home/app
 
 RUN npm install
 RUN npm install -g pm2
-CMD [ "npm", "start" ]
+CMD [ "node", "src/index.js" ]