made updates to load envs and streamline pg pool to cut down on connections (#15)

Reviewed-on: #15
Co-authored-by: Joseph Nelson <joseph.nelson4456@gmail.com>
Co-committed-by: Joseph Nelson <joseph.nelson4456@gmail.com>

package.json

@@ -5,7 +5,8 @@
   "main": "app.js",
   "scripts": {
     "dev": "nodemon src/app.js",
-    "start": "node src/app.js",
+    "start": "NODE_ENV=production node src/app.js",
+    "docker:start": "NODE_ENV=production node --env-file=.env src/app.js",
     "lint": "eslint .",
     "lint:fix": "eslint . --fix",
     "migrate": "node-pg-migrate -m ./src/migrations",