Docker + nginx + Let's Encrypt = 😍

stackfile.yml

letsencrypt:
  environment:
    - [email protected]
  image: 'jrcs/letsencrypt-nginx-proxy-companion:v1.3'
  volumes:
    - '/root/certs:/etc/nginx/certs'
    - '/var/run/docker.sock:/var/run/docker.sock:ro'
  volumes_from:
    - nginx

nginx:
  image: 'jwilder/nginx-proxy:latest'
  ports:
    - '80:80'
    - '443:443'
  restart: always
  volumes:
    - '/root/certs:/etc/nginx/certs:ro'
    - /etc/nginx/vhost.d
    - /usr/share/nginx/html
    - '/var/run/docker.sock:/tmp/docker.sock:ro'

app1:
  environment:
    - [email protected]
    - LETSENCRYPT_HOST=app1.example.com
    - VIRTUAL_HOST=app1.example.com
    - VIRTUAL_PORT=5000
  expose:
    - '5000'

app2:
  environment:
    - [email protected]
    - LETSENCRYPT_HOST=app2.example.com
    - VIRTUAL_HOST=app2.example.com
    - VIRTUAL_PORT=3000
  expose:
    - '3000'