Help with nginx-proxy

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1

HI, I’m running a couple of services, redis, flask, etc in a VirtualBox Swarm on Linus Mint. The swarm is running fin and all services are accesible using --container IP at VBox–:port. For example the visualizer is accesible at 192.168.99.103:8080

I require to setup a reverse proxy and for te task I’m using jwilder/nginx-proxy. Unfortunatly I’ve not been able to make it work. I appreciate if someone could have a look at my compose file and point me in the right direction.

version: "3.5"

networks:
  default:
    name: nginx-network

services: 
  reverse-nginx:
    image: jwilder/nginx-proxy:latest
    ports:
      - 80:80
      - 443:443
    volumes:
      - /var/run/docker.sock:/tmp/docker.sock:ro
    environment:
      - DEFAULT_HOST=myapp

  visualizer:
    image: dockersamples/visualizer:latest
     volumes:
       - "/var/run/docker.sock:/var/run/docker.sock"
    deploy:
      placement:
        constraints: [node.role == manager]
    depends_on:
      - reverse-nginx
    environment:
      - VIRTUAL_HOST=visualizer.myapp
      - VIRTUAL_PORT=8080

At “etc/hosts” the VBox IP points to “myapp”.

If a open http: // myapp/ I get

503 Service Temporarily Unavailable

so the DNS is no the problem.

If i try http: // visualizer.myapp i get

This site can’t be reached visualizer.myapp’s server IP address could not be found.

I really appreciate your help. Thanks…