version: '3.1'
services:
 wordpress:
 image: wordpress
 restart: always
 ports:
 - 8080:80
 environment:
 WORDPRESS_DB_HOST: db
 WORDPRESS_DB_USER: usr
 WORDPRESS_DB_PASSWORD: pwd
 WORDPRESS_DB_NAME: dbname
 WORDPRESS_CONFIG_EXTRA: |
 define( 'WP_SITEURL', 'https://mydomain.com' );
 define( 'WP_HOME', 'https://mydomain.com' );
 volumes:
 - wordpress:/var/www/html
 db:
 image: mysql:5.7
 restart: always
 environment:
 MYSQL_DATABASE: dbname
 MYSQL_USER: usr
 MYSQL_PASSWORD: pwd
 MYSQL_RANDOM_ROOT_PASSWORD: '1'
 volumes:
 - db:/var/lib/mysql
volumes:
 wordpress:
 db: 

 server {
 server_name mydomain.com www.mydomain.com;
 location / {
 proxy_set_header X-Forwarded-Proto https;
 proxy_set_header Host $server_name;
 proxy_pass http://127.0.0.1:8080/;
 }
 listen 443 ssl; # managed by Certbot
 listen [::]:443 ssl http2;
 ssl_certificate /etc/letsencrypt/live/mydomain.com/fullchain.pem; # managed by Certbot
 ssl_certificate_key /etc/letsencrypt/live/mydomain.com/privkey.pem; # managed by Certbot
 include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
 ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
}
 server {
 if ($host = mydomain.com) {
 return 301 https://$host$request_uri;
 } # managed by Certbot
 listen 80;
 server_name mydomain.com;
 return 404; # managed by Certbot