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>

Dockerfile

@@ -18,7 +18,7 @@ ENV JWT_SECRET=${JWT_SECRET}
 
 WORKDIR /app
 COPY . .
-RUN npm install --force --omit=dev && \
+RUN npm install --force && \
     echo "DATABASE_URL=${DATABASE_URL}" >> .env && \
     echo "DB_HOST=${DB_HOST}" >> .env && \
     echo "DB_USERNAME=${DB_USERNAME}" >> .env && \
@@ -27,4 +27,4 @@ RUN npm install --force --omit=dev && \
     echo "DB_DATABASE=${DB_DATABASE}" >> .env && \
     echo "JWT_SECRET=${JWT_SECRET}" >> .env
 
-CMD ["node", "--env-file=.env", "src/app.js"]
+CMD ["npm", "run", "docker:start"]