docker-compose-nginx-proxy/docker-compose.yml

version: "3.7"
services:
  nginx:
    image: nginx:1.17.6-alpine
    container_name: nginx
    ports:
      - 80:80
      - 443:443
    volumes:
      - "nginx_certs:/etc/nginx/certs:z,ro"
      - "nginx_vhostd:/etc/nginx/vhost.d:z"
      - "nginx_html:/usr/share/nginx/html:z"
      - "nginx_conf:/etc/nginx/conf.d:z"
    networks:
      - proxy
    restart: always

  nginx-proxy:
    image: jwilder/docker-gen # no version can be specified...
    command: -notify-sighup nginx -watch /etc/docker-gen/templates/nginx.tmpl /etc/nginx/conf.d/default.conf
    container_name: nginx-proxy
    volumes:
      - "/var/run/docker.sock:/tmp/docker.sock:z,ro"
      - ./nginx.tmpl:/etc/docker-gen/templates/nginx.tmpl
      - "nginx_certs:/etc/nginx/certs:z,ro"
      - "nginx_vhostd:/etc/nginx/vhost.d:z"
      - "nginx_html:/usr/share/nginx/html:z"
      - "nginx_conf:/etc/nginx/conf.d:z"
    depends_on:
      - nginx-proxy-companion
    networks:
      - proxy
    restart: always
  
  nginx-proxy-companion:
    image: jrcs/letsencrypt-nginx-proxy-companion:v1.12
    container_name: nginx-proxy-companion
    environment:
      NGINX_PROXY_CONTAINER: "nginx-proxy"
      NGINX_DOCKER_GEN_CONTAINER: "nginx"
    volumes:
      - "nginx_certs:/etc/nginx/certs:rw"
      - "nginx_vhostd:/etc/nginx/vhost.d:z"
      - "nginx_html:/usr/share/nginx/html:z"
      - "/var/run/docker.sock:/var/run/docker.sock:ro"
    networks:
      - proxy
    restart: always

volumes:
  nginx_certs:
  nginx_vhostd:
  nginx_html:
  nginx_conf:

networks:
  proxy:
    name: proxy