default.conf

upstream docker-registry {
    server registry:5000;
}

map $upstream_http_docker_distribution_api_version $docker_distribution_api_version {
  '' 'registry/2.0';
}

server {
    listen       80;
    server_name  localhost;


    location / {
        root /usr/share/nginx/html;
        index index.html index.htm;
        expires -1;
        add_header Pragma "no-cache";
        add_header Cache-Control "no-store, no-cache, must-revalidate, post-check=0, pre-check=0";
        try_files $uri$args $uri$args/ $uri $uri/ /index.html =404;
    }

    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 ($http_user_agent ~ "^(docker\/1\.(3|4|5(?!\.[0-9]-dev))|Go ).*$" ) {
        return 404;
      }

      ## If $docker_distribution_api_version is empty, the header will not be added.
      ## See the map directive above where this variable is defined.
      add_header 'Docker-Distribution-Api-Version' $docker_distribution_api_version always;

      proxy_pass                          http://docker-registry;
      proxy_set_header  Host              $http_host;   # required for docker client's sake
      proxy_set_header  X-Real-IP         $remote_addr; # pass on real client's IP
      proxy_set_header  X-Forwarded-For   $proxy_add_x_forwarded_for;
      proxy_set_header  X-Forwarded-Proto $scheme;
      proxy_read_timeout                  900;
    }


}