nginx.conf

# This file is largely based on the one written by @Djelibeybi in:
#      https://github.com/Djelibeybi/Portus-On-OracleLinux7/

# List of known problems with this file:
#
# NOTE: this file uses only one certificate for the different services. This is
# not the best way to go (see #1906).
# BUG: proxy_ssl_verify is off (NGinx default). This means that certificate
# validation is off on proxied traffic, which is bad (see #1907).

events {
  worker_connections 1024;
}

http {
  include       mime.types;
  default_type  application/octet-stream;
  charset       UTF-8;

  # Some basic config.
  server_tokens off;
  sendfile      on;
  tcp_nopush    on;
  tcp_nodelay   on;

  # On timeouts.
  keepalive_timeout     65;
  client_header_timeout 240;
  client_body_timeout   240;
  fastcgi_read_timeout  249;
  reset_timedout_connection on;

  ## 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 will be unset
  ## since nginx is auth-ing before proxying.
  map $upstream_http_docker_distribution_api_version $docker_distribution_api_version {
	'' 'registry/2.0';
  }

  upstream portus {
    least_conn;
    server portus:3000 max_fails=3 fail_timeout=15s;
  }

  upstream registry {
    least_conn;
    server registry:5000 max_fails=3 fail_timeout=15s;
  }

  server {
    listen 443 ssl http2;
    server_name 172.17.0.1;
    root /srv/Portus/public;

    ##
    # SSL

    ssl on;

    # Certificates
    ssl_certificate /secrets/portus.crt;
    ssl_certificate_key /secrets/portus.key;

    # Enable session resumption to improve https performance
    #
    # http://vincent.bernat.im/en/blog/2011-ssl-session-reuse-rfc5077.html
    ssl_session_cache shared:SSL:10m;
    ssl_session_timeout 10m;

    # Enables server-side protection from BEAST attacks
    # http://blog.ivanristic.com/2013/09/is-beast-still-a-threat.html
    ssl_prefer_server_ciphers on;

    # Disable SSLv3 (enabled by default since nginx 0.8.19)
    # since it's less secure than TLS
    # http://en.wikipedia.org/wiki/Secure_Sockets_Layer#SSL_3.0
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;

    # Ciphers chosen for forward secrecy and compatibility.
    #
    # http://blog.ivanristic.com/2013/08/configuring-apache-nginx-and-openssl-for-forward-secrecy.html
    ssl_ciphers 'ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256';

    ##
    # Docker-specific stuff.

    proxy_set_header Host $http_host;   # required for Docker client sake
    proxy_set_header X-Forwarded-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-Scheme $scheme;

    # disable any limits to avoid HTTP 413 for large image uploads
    client_max_body_size 0;

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

    ##
    # Custom headers.

    # Adding HSTS[1] (HTTP Strict Transport Security) to avoid SSL stripping[2].
    #
    # [1] https://developer.mozilla.org/en-US/docs/Security/HTTP_Strict_Transport_Security
    # [2] https://en.wikipedia.org/wiki/SSL_stripping#SSL_stripping
    add_header Strict-Transport-Security "max-age=31536000; includeSubDomains";

    # Don't allow the browser to render the page inside a frame or iframe
    # and avoid Clickjacking. More in the following link:
    #
    # https://developer.mozilla.org/en-US/docs/HTTP/X-Frame-Options
    add_header X-Frame-Options DENY;

    # Disable content-type sniffing on some browsers.
    add_header X-Content-Type-Options nosniff;

    # This header enables the Cross-site scripting (XSS) filter built into
    # most recent web browsers. It's usually enabled by default anyway, so the
    # role of this header is to re-enable the filter for this particular
    # website if it was disabled by the user.
    add_header X-XSS-Protection "1; mode=block";

    # Add header for IE in compatibility mode.
    add_header X-UA-Compatible "IE=edge";

	# Redirect (most) requests to /v2/* to the Docker Registry
	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 https://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;
      proxy_buffering on;
	}

	# Portus needs to handle /v2/token for authentication
	location = /v2/token {
      proxy_pass https://portus;
      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;
      proxy_buffering on;
    }

	# Portus needs to handle /v2/webhooks/events for notifications
	location = /v2/webhooks/events {
      proxy_pass https://portus;
      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;
      proxy_buffering on;
    }

    # Assets are mapped inside of /srv/Portus/public from a shared volume.
    location ~ ^/(assets)/ {
      access_log  off;
      gzip_static on;
      expires     max;
      add_header  Cache-Control public;
      add_header  Last-Modified "";
      add_header  ETag "";
      break;
    }

	# Portus handles everything else for the UI
	location / {
      try_files $uri/index.html $uri.html $uri @portus;
    }

    location @portus {
      proxy_pass https://portus;
      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;
      proxy_buffering on;
    }
  }
}