This is modification of the docker-compose.yml file that allows us to create multiple wordpress pages on one virtual machine. Each of the wordpress instancess has its own container and containerized database.

Https encryption is managed by Letsencrypt container. Certificates are being renewed automatically.

version: "2"
services:
  nginx-proxy:
    image: jwilder/nginx-proxy
    container_name: proxy
    ports:
      - 80:80
      - 443:443
    volumes:
      - /var/run/docker.sock:/tmp/docker.sock:ro
      - /etc/nginx/vhost.d
      - /home/coil/certs:/etc/nginx/certs:ro
      - /usr/share/nginx/html
    restart: always 
    networks:
      - proxy_net
    labels:
      - com.github.jrcs.letsencrypt_nginx_proxy_companion.nginx_proxy
#-----------------------------------------------------   
  letsencrypt:
    image: jrcs/letsencrypt-nginx-proxy-companion
    container_name: encrypt
    depends_on:
      - nginx-proxy
    volumes:
      - /home/coil/certs:/etc/nginx/certs:rw
      - /var/run/docker.sock:/var/run/docker.sock:ro
    volumes_from:
      - nginx-proxy
    restart: always 
    networks:
      - proxy_net
#-----------------------------------------------------   
  certs:
    image: tutum/apache-php
    container_name: certs
    environment:
      - VIRTUAL_HOST=tcoil.info,www.tcoil.info,vasulka.cz,www.vasulka.cz
      - LETSENCRYPT_HOST=tcoil.info,www.tcoil.info,vasulka.cz,www.vasulka.cz
      - LETSENCRYPT_EMAIL=michal.vasulka@gmail.com
    restart: always 
    networks:
      - cert_net
#-----------------------------------------------------      
  wordpress_vas_cz:
    image: wordpress
    container_name: wordpress_vas_cz
    links:
     - mariadb_vas_cz:mysql
    environment:
     - WORDPRESS_DB_PASSWORD=password
     - VIRTUAL_HOST=vasulka.cz,www.vasulka.cz
    ports:
     - "3001:80"
    depends_on:
     - nginx-proxy
     - letsencrypt    
     - mariadb_vas_cz
    volumes:
     - ./code_vas_cz:/code
     - ./html_vas_cz:/var/www/html
    restart: always
    networks:
      - proxy_net

  mariadb_vas_cz:
    image: mariadb
    environment:
     - MYSQL_ROOT_PASSWORD=password
     - MYSQL_DATABASE_4=wordpress_vas_cz
    depends_on:
     - nginx-proxy
     - letsencrypt           
    volumes:
     - ./database_vas_cz:/var/lib/mysql
    restart: always
    networks:
      - proxy_net  
#-----------------------------------------------------  
#-----------------------------------------------------  
  # sonm_cloud is now tcoil_info website
  wordpress_sonm_cloud:
    image: wordpress
    container_name: wordpress_sonm_cloud
    links:
     - mariadb_sonm_cloud:mysql
    environment:
     - WORDPRESS_DB_PASSWORD=password
     - VIRTUAL_HOST=tcoil.info,www.tcoil.info
    ports:
     - "3000:80"
    depends_on:
      - nginx-proxy
      - letsencrypt    
      - mariadb_sonm_cloud  
    volumes:
     - ./code_sonm_cloud:/code
     - ./html_sonm_cloud:/var/www/html
    restart: always
    networks:
      - proxy_net     

  mariadb_sonm_cloud:
    image: mariadb
    environment:
     - MYSQL_ROOT_PASSWORD=password
     - MYSQL_DATABASE_8=wordpress_sonm_cloud
    depends_on:
     - nginx-proxy
     - letsencrypt         
    volumes:
     - ./database_sonm_cloud:/var/lib/mysql
    restart: always
    networks:
      - proxy_net  
#----------------------------------------------------- 
networks:
  cert_net:
    driver: bridge
  proxy_net:
    driver: bridge