nginx443.conf

error_log /nginx/logs/main_error.log;
worker_processes  1;

worker_rlimit_nofile 65535;

events {
    worker_connections  2048;
}

http {
    access_log /nginx/logs/access443.log;
    error_log /nginx/logs/error443.log;

    ### wp
    upstream wp {
      least_conn;
      server 172.30.0.11:8080; # WP container 's IP address
    }


    ############################################################
    ###     WordPress
    ############################################################
    server {
      listen 443 ssl;
      server_name domain.com;

      access_log /nginx/logs/wp.access.log;
        error_log /nginx/logs/wp.error.log error;

      ssl_certificate         /etc/letsencrypt/domain.com/domain.com.cer;
      ssl_certificate_key     /etc/letsencrypt/domain.com/domain.com.key;

      ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
        ssl_prefer_server_ciphers on;
        ssl_ciphers 'EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH';

      location / {
            proxy_pass http://wp;
            proxy_redirect off;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Host $host;
            proxy_set_header X-Forwarded-Server $host;
            proxy_set_header X-Forwarded-Proto $scheme;
        }

      } #end server
}