Nginx-proxy: 502 Bad Gateway Connection refused) while connecting to upstream

[neryangj]

This works on my dev vm but stops working on production
Server is ubuntu 16.04.4. Did I missed something?

nginx.1 | 2018/03/06 06:38:39 [error] 52#52: *1 connect() failed (111: Connection refused) while connecting to upstream, client: 172.17.152.103, server: one.example.com, request: "GET / HTTP/1.1", upstream: "http://172.19.0.3:80/", host: "one.example.com"

version: "3"
services:
nginx:
image: jwilder/nginx-proxy
restart: always
networks:
- frontend
ports:
- "443:443"
- "80:80"
- "8080:80"
volumes:
- ./ssl:/etc/nginx/certs
- /var/run/docker.sock:/tmp/docker.sock:ro
- ./nginx/etc/nginx/conf.d:/etc/nginx/conf.d

teampass:
image: teampass/teampass
restart: always
environment:
VIRTUAL_HOST: one.example.com
depends_on:
- db
networks:
- frontend
- backend
volumes:
- ./teampass:/var/www/html

db:
restart: unless-stopped
image: mysql/mysql-server:5.7
expose:
- '3306'
ports:
- '3306:3306'
environment:
MYSQL_ROOT_PASSWORD: mypass
MYSQL_DATABASE: teampass
MYSQL_PASSWORD: teampass
MYSQL_USER: teampass

volumes:
- ./db:/var/lib/mysql
networks:
- backend

networks:
frontend:
driver: bridge
backend:
driver: bridge
~

[jrichet]

HOW DID YOU SOLVE THIS?

[yppdr]

Up ?

[indapublic]

same