error_log /dev/stdout info;

events {
	worker_connections 1024;
}

http {
	sendfile on;
	tcp_nopush on;
	tcp_nodelay on;
	keepalive_timeout 65;
	types_hash_max_size 2048;
	server_tokens off;
	default_type application/octet-stream;

	upstream docker-registry {
		server docker-registry:5000;
	}

	upstream docker-frontend {
		server docker-frontend:80;
	}

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

	ldap_server ldap {
		url ldap://ldap.proxy/dc=karinthy,dc=hu?uid?sub?(objectClass=posixAccount);
		group_attribute memberUid;
		group_attribute_is_dn off;
		require group "cn=ciuser,ou=Groups,dc=karinthy,dc=hu"
		require valid_user;
	}

	auth_ldap_cache_enabled on;
	auth_ldap_cache_expiration_time 10;
	auth_ldap_cache_size 512;

	server {
		listen 443 ssl;
		server_name registry.karinthy.hu;

		ssl_certificate /etc/nginx/ssl/fullchain.pem;
		ssl_certificate_key /etc/nginx/ssl/privkey.pem;

		ssl_protocols TLSv1.1 TLSv1.2;
		ssl_ciphers 'ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA384:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA:!aNULL:!eNULL:!PSK:!EXPORT:!RC4:!MD5:!DES:!ADK:!CAMELLIA';
		ssl_prefer_server_ciphers on;
		ssl_session_cache shared:SSL:10m;

		client_max_body_size 0;
		chunked_transfer_encoding on;

		location / {
			auth_ldap "Karinthy Docker Registry";
			auth_ldap_servers ldap;

			proxy_pass                          http://docker-frontend;
			proxy_set_header  Host              $http_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-Proto $scheme;
			proxy_read_timeout                  900;
		}

		location /v2 {
			if ($http_user_agent ~ "^(docker\/1\.(3|4|5(?!\.[0-9]-dev))|Go ).*$" ) {
				return 404;
			}

			add_header 'Docker-Distribution-Api-Version' $docker_distribution_api_version always;

			auth_ldap "Karinthy Docker Registry";
			auth_ldap_servers ldap;

			proxy_pass                          http://docker-registry;
			proxy_set_header  Host              $http_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-Proto $scheme;
			proxy_read_timeout                  900;
		}
	}
}