stack/letsencrypt-nginx/conf/registry.conf

        ## Set a variable to help us decide if we need to add the
        ## 'Docker-Distribution-Api-Version' header.
        ## The registry always sets this header.
        ## In the case of nginx performing auth, the header is unset
        ## since nginx is auth-ing before proxying.
        map ${DOLLAR}upstream_http_docker_distribution_api_version ${DOLLAR}docker_distribution_api_version {
             '' 'registry/2.0';
        }
server {
  # resolver 127.0.0.11 valid=30s; ## internal docker dns
  #listen   [::]:3011 default ipv6only=on; ## listen for ipv6
  listen 80;
  client_header_timeout 120s;
  client_body_timeout 120s;
  client_max_body_size 200m;
  # save logs here
  server_name ${SERVER_NAME};
  # Pass this particular URL off to certbot, to authenticate HTTPS certificates
  location '/.well-known/acme-challenge' {
      default_type "text/plain";
      proxy_pass http://localhost:1337;
  }
  location / {
    return 301 https://${DOLLAR}host${DOLLAR}request_uri;
  }
}

    server {
        # resolver 127.0.0.11 valid=30s; ## internal docker dns
        #listen   [::]:3011 default ipv6only=on; ## listen for ipv6
        # listen 444
        listen 5004 ssl;
                # this should allow large docs
        client_header_timeout 120s;
                client_body_timeout 120s;
                client_max_body_size 0;
        ssl_certificate     /etc/letsencrypt/live/${SERVER_NAME}/fullchain.pem;
        ssl_certificate_key /etc/letsencrypt/live/${SERVER_NAME}/privkey.pem;
        # save logs here
        #access_log /var/log/nginx/access.log compression;


        # Recommendations from https://raymii.org/s/tutorials/Strong_SSL_Security_On_nginx.html
        ssl_protocols TLSv1.1 TLSv1.2;
        ssl_ciphers 'EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH';
        ssl_prefer_server_ciphers on;
        ssl_session_cache shared:SSL:10m;

        # required to avoid HTTP 411: see Issue #1486 (https://github.com/moby/moby/issues/1486)
        chunked_transfer_encoding on;

        server_name ${SERVER_NAME};


        location /v2/ {
            # Do not allow connections from docker 1.5 and earlier
                # docker pre-1.6.0 did not properly set the user agent on ping, catch "Go *" user agents
                if (${DOLLAR}http_user_agent ~ "^(docker\/1\.(3|4|5(?!\.[0-9]-dev))|Go ).*$" ) {
                     return 404;
                }
                add_header 'Docker-Distribution-Api-Version' ${DOLLAR}docker_distribution_api_version always;

                proxy_set_header Host ${DOLLAR}http_host;
                proxy_set_header X-Real-IP ${DOLLAR}remote_addr;
                proxy_set_header X-Forwarded-For ${DOLLAR}proxy_add_x_forwarded_for;
                proxy_set_header X-Forwarded-Proto ${DOLLAR}scheme;
                proxy_buffering off;
                proxy_pass ${REGISTRY_PROXY_PASS};

        }
    }