nodejs app doesn't connect to localhost when running within a docker container

Question

My environment:
Ubunut 17.04 LTS
npm --version: 5.6.0
nodejs --version: 4.7.2
angular cli version: 1.6.4

docker-compose file:

versi         


        

Answer 1

In your docker-compose file, make sure to export the ports:

services:
  node:
   ports:
     - 4200:4200