diff --git a/hosts/hainich/configuration.nix b/hosts/hainich/configuration.nix
index 8e0bc9f..9c87b27 100644
--- a/hosts/hainich/configuration.nix
+++ b/hosts/hainich/configuration.nix
@@ -16,6 +16,7 @@
     ./services/gitlab-runner.nix
     ./services/lantifa.nix
     ./services/hasenloch.nix
+    ./services/wink.nix
     ./services/syncthing.nix
     ./services/monitoring.nix
     ./services/workadventure.nix
diff --git a/hosts/hainich/services/wink.nix b/hosts/hainich/services/wink.nix
new file mode 100644
index 0000000..9d7e3b1
--- /dev/null
+++ b/hosts/hainich/services/wink.nix
@@ -0,0 +1,91 @@
+# for documentation on how this container works, have a look at
+# https://wiki.infra4future.de/books/voc-infra/page/wink-65b
+
+{ pkgs, config, ...}:
+
+{
+  containers.wink = {
+    autoStart = true;
+    privateNetwork = true;
+    hostAddress = "192.168.100.10";
+    localAddress = "192.168.100.11";
+
+
+    config = {pkgs, config, ...}: {      
+      networking.firewall.allowedTCPPorts = [ 8000 ];
+      environment.systemPackages = [ pkgs.wink pkgs.v8 ];
+
+      systemd.services.wink = {
+        enable = true;
+        description = "Wo ist meine Winkekatze?";
+        wantedBy = [ "multi-user.target" ];
+        serviceConfig.type = "simple";
+        environment.HOME = "/var/lib/wink/home";
+        path = [ pkgs.wink pkgs.v8 ];
+        script = ''
+          mkdir -p /var/lib/wink/home
+          cd /var/lib/wink
+          cp -r ${pkgs.wink.outPath}/* .
+          if [ ! -f database.exists ]
+          then
+            rails-wrapped db:migrate db:seed RAILS_ENV=development
+            touch database.exists
+          fi
+          rails-wrapped server -b [::] -p 3000
+        '';
+      };
+
+      services.oauth2_proxy =
+        let keycloakurl = "https://auth.infra4future.de/auth/realms/forfuture/protocol/openid-connect";
+        in {
+          enable = true;
+          #nginx.virtualHosts = [ "matrix.hacc.space" ];
+          upstream = "http://localhost:3000";
+          httpAddress = "http//0.0.0.0:8000";
+
+          email.domains = [ "*" ];
+          cookie.domain = "wink2.hacc.space";
+
+          # for the keycloak side of the configuration, see the documentation at
+          # https://oauth2-proxy.github.io/oauth2-proxy/docs/configuration/oauth_provider#keycloak-auth-provider
+          provider = "keycloak";
+          clientID = "winktest"; # TODO
+          loginURL = "${keycloakurl}/auth";
+          redeemURL = "${keycloakurl}/token";
+          profileURL = "${keycloakurl}/userinfo";
+          validateURL = "${keycloakurl}/userinfo";
+
+          # must contain OAUTH2_PROXY_COOKIE_SECRET and OAUTH2_PROXY_CLIENT_SECRET
+          keyFile = "/var/lib/oauth2_proxy/secrets";
+
+          extraConfig = {
+            # log format (default would also log ip addresses / users)
+            auth-logging-format = "[{{.Timestamp}}] [{{.Status}}] {{.Message}}";
+            #allowed_group = "hacc";
+          };
+        };
+
+      services.coredns = {
+        enable = true;
+        config = ''
+          .:53 {
+          forward . 1.1.1.1
+          }
+        '';
+      };
+    };
+  };
+
+
+  services.nginx.virtualHosts."wink2.hacc.space" = {
+    locations."/".proxyPass = "http://${config.containers.wink.localAddress}:8000";
+    forceSSL = true;
+    enableACME = true;
+  };
+
+  networking.nat.enable = true;
+  networking.nat.internalInterfaces = ["ve-wink"];
+  networking.nat.externalInterface = "enp6s0";
+
+
+}
diff --git a/pkgs/default.nix b/pkgs/default.nix
index 193f443..94100c2 100644
--- a/pkgs/default.nix
+++ b/pkgs/default.nix
@@ -34,7 +34,10 @@ let
       '';
     });
 
+    wink = callPackage ./wink {};
+
     inherit (unstable) bottom;
+
   };
 
 in pkgs.extend(_: _: newpkgs)
diff --git a/pkgs/wink/default.nix b/pkgs/wink/default.nix
new file mode 100644
index 0000000..3561042
--- /dev/null
+++ b/pkgs/wink/default.nix
@@ -0,0 +1,96 @@
+
+# high-level notes:
+#  - wink uses the execjs gem, which needs some javascript runtime
+#    to be available. Wink usually uses the mini_racer gem for this,
+#    which unfortunately refuses to work on nix, so instead we have
+#    to patch it out of wink's dependencies and replace it with 
+#    something else
+#  - execjs actually just takes any compatible js runtime it can find;
+#    this packages uses v8 by default, but you can easily override it
+#    with e.g. nodejs and wink should still work.
+
+{ stdenv
+, bundlerEnv
+, fetchFromGitHub
+, zlib
+, sqlite
+, ruby
+, makeWrapper
+# v8 may be replaced with e.g. nodejs — see docs for execjs for a list
+# of accaptable backends, all of which should all work out of the box
+, v8
+, ... }:
+
+let
+  sources-patched = stdenv.mkDerivation {
+    name = "wink-sources-patched";
+    
+    # wink sources from the c3VOC
+    src = fetchFromGitHub {
+      owner = "voc";
+      repo = "wink";
+      rev = "9f1d312b7bf6457fc23aaa9348a43c3900046a6c";
+      sha256 = "1xyb4n4ys93mzyj779mdd6ngiials38xfql3ivddxc1l5rk11hbi";
+    };
+    
+    phases = [ "patchPhase" "installPhase" ];
+    
+    # remove mini_racer and libv8 (its sole dependency) from wink's deps
+    patchPhase = ''
+      cp -r $src/* .
+      sed -i "s/gem 'mini_racer', platforms: :ruby/#removed mini_racer/g" Gemfile
+      sed -i "s/mini_racer (0.2.0)/ /g" Gemfile.lock
+      sed -i "s/libv8 (>= 6.3)/ /g" Gemfile.lock
+    '';
+    
+    installPhase = ''
+      mkdir -p $out
+      cp -r * $out/
+    '';
+  };
+  
+  # use the patched dependencies to generate derivations for all the
+  # ruby dependencies (using a `gemset.nix` generated with bundix)
+  gems = bundlerEnv {
+    name = "wink-gems";
+    inherit ruby;
+    gemConfig = {
+        nokogiri = attrs: { 
+            buildInputs = [ zlib ];
+        };
+        sqlite3 = attr: {
+            buildInputs = [ sqlite ];
+        };
+    };
+    gemfile = sources-patched.outPath + "/Gemfile";
+    lockfile = sources-patched.outPath + "/Gemfile.lock";
+    
+    # Open question: we could generate this dynamically, would that be
+    # a good idea?
+    gemset = ./gemset.nix;
+  };
+in
+  stdenv.mkDerivation {
+    name = "wink-without-wrapping";
+    
+    src = sources-patched.outPath;
+    
+    buildInputs = [
+      gems
+      ruby
+      makeWrapper
+      v8
+    ];
+    
+    # need to wrap the executables so ruby can find its gems
+    installPhase =
+      let gempath = "${gems.outPath}/lib/ruby/gems/2.6.0";
+      in ''
+        mkdir -p $out
+        cp -r * $out
+        
+        makeWrapper $out/bin/rails $out/bin/rails-wrapped --set GEM_PATH ${gempath}
+        makeWrapper $out/bin/rake $out/bin/rake-wrapped --set GEM_PATH ${gempath}
+      '';
+    
+  }
diff --git a/pkgs/wink/gemset.nix b/pkgs/wink/gemset.nix
new file mode 100644
index 0000000..f9aea01
--- /dev/null
+++ b/pkgs/wink/gemset.nix
@@ -0,0 +1,994 @@
+{
+  actioncable = {
+    dependencies = ["actionpack" "nio4r" "websocket-driver"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "17vdxn0afi5rfnbs09nl0m0cyj7yvpi445bmi8pkmzbaqzqkq3ff";
+      type = "gem";
+    };
+    version = "5.2.1";
+  };
+  actionmailer = {
+    dependencies = ["actionpack" "actionview" "activejob" "mail" "rails-dom-testing"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0h1nqg47jap0wzp0dhlnck4xjijfvdfw49aipjp8y2ihdpvyqrx6";
+      type = "gem";
+    };
+    version = "5.2.1";
+  };
+  actionpack = {
+    dependencies = ["actionview" "activesupport" "rack" "rack-test" "rails-dom-testing" "rails-html-sanitizer"];
+    groups = ["default" "development" "test"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "19zv9ix9iwpd8dxi5hyxgwrc1gh0fvx0a2vjhmic8dn8six41f4f";
+      type = "gem";
+    };
+    version = "5.2.1";
+  };
+  actionview = {
+    dependencies = ["activesupport" "builder" "erubi" "rails-dom-testing" "rails-html-sanitizer"];
+    groups = ["default" "development" "test"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0dxanjs7ngpny4ig7dg93ywmg9ljswzg8risdlff6ag8fzvsnidf";
+      type = "gem";
+    };
+    version = "5.2.1";
+  };
+  active_link_to = {
+    dependencies = ["actionpack" "addressable"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1firn5hw8dkqlz1c2plprrzja5f0xs606qpwx7qrsn0l7mxq8c28";
+      type = "gem";
+    };
+    version = "1.0.5";
+  };
+  activejob = {
+    dependencies = ["activesupport" "globalid"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1m4l7z08cx1lybfswfggy7y1rxnwr6gi15h0g9kkkkvmmn6klf3r";
+      type = "gem";
+    };
+    version = "5.2.1";
+  };
+  activemodel = {
+    dependencies = ["activesupport"];
+    groups = ["default" "development"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "043nnxaf3cfq8jijls0jh1bg3a8v5zd9slc62zc2acp2n2wkjnd4";
+      type = "gem";
+    };
+    version = "5.2.1";
+  };
+  activerecord = {
+    dependencies = ["activemodel" "activesupport" "arel"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0pc7cycvhzjpw0swil2inka6c0fvcxhln793czp52pidg0654g7g";
+      type = "gem";
+    };
+    version = "5.2.1";
+  };
+  activestorage = {
+    dependencies = ["actionpack" "activerecord" "marcel"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0wncr3h94jsjmmqqmmips9vgy2kf1zhb96rlv5fbrgqplfhvpyag";
+      type = "gem";
+    };
+    version = "5.2.1";
+  };
+  activesupport = {
+    dependencies = ["concurrent-ruby" "i18n" "minitest" "tzinfo"];
+    groups = ["default" "development" "test"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0ziy6xk31k4fs115cdkba1ys4i8nzcyri7a2jig7nx7k5h7li6l2";
+      type = "gem";
+    };
+    version = "5.2.1";
+  };
+  addressable = {
+    dependencies = ["public_suffix"];
+    groups = ["default" "test"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0viqszpkggqi8hq87pqp0xykhvz60g99nwmkwsb0v45kc2liwxvk";
+      type = "gem";
+    };
+    version = "2.5.2";
+  };
+  archive-zip = {
+    dependencies = ["io-like"];
+    groups = ["default" "test"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1h9fc1ry1cgpzi6rn1r46znawvwgpn38m1ya6v8d7g7id35d41q6";
+      type = "gem";
+    };
+    version = "0.11.0";
+  };
+  arel = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1jk7wlmkr61f6g36w9s2sn46nmdg6wn2jfssrhbhirv5x9n95nk0";
+      type = "gem";
+    };
+    version = "9.0.0";
+  };
+  bindex = {
+    groups = ["default" "development"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1wvhf4v8sk5x8li03pcc0v0wglmyv7ikvvg05bnms83dfy7s4k8i";
+      type = "gem";
+    };
+    version = "0.5.0";
+  };
+  bootsnap = {
+    dependencies = ["msgpack"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1i3llrdqkndxzhv1a7a2yjpavmdabyq5ps296vmb32hv8fy95xk9";
+      type = "gem";
+    };
+    version = "1.3.1";
+  };
+  builder = {
+    groups = ["default" "development" "test"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0qibi5s67lpdv1wgcj66wcymcr04q6j4mzws6a479n0mlrmh5wr1";
+      type = "gem";
+    };
+    version = "3.2.3";
+  };
+  byebug = {
+    groups = ["development" "test"];
+    platforms = [{
+      engine = "maglev";
+    } {
+      engine = "mingw";
+    } {
+      engine = "mingw";
+    } {
+      engine = "ruby";
+    }];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "10znc1hjv8n686hhpl08f3m2g6h08a4b83nxblqwy2kqamkxcqf8";
+      type = "gem";
+    };
+    version = "10.0.2";
+  };
+  capybara = {
+    dependencies = ["addressable" "mini_mime" "nokogiri" "rack" "rack-test" "xpath"];
+    groups = ["test"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1pn7jijww60kpcgf9g6yk430hqi867mwkxz89lzj694xrn87gzbc";
+      type = "gem";
+    };
+    version = "3.6.0";
+  };
+  childprocess = {
+    dependencies = ["ffi"];
+    groups = ["default" "test"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0a61922kmvcxyj5l70fycapr87gz1dzzlkfpq85rfqk5vdh3d28p";
+      type = "gem";
+    };
+    version = "0.9.0";
+  };
+  chromedriver-helper = {
+    dependencies = ["archive-zip" "nokogiri"];
+    groups = ["test"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0x1inglq11k0ab1n33xzvqcxybcsgn6psj6si2gnls6yh0zx14h3";
+      type = "gem";
+    };
+    version = "1.2.0";
+  };
+  coffee-rails = {
+    dependencies = ["coffee-script" "railties"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0jp81gjcid66ialk5n242y27p3payy0cz6c6i80ik02nx54mq2h8";
+      type = "gem";
+    };
+    version = "4.2.2";
+  };
+  coffee-script = {
+    dependencies = ["coffee-script-source" "execjs"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0rc7scyk7mnpfxqv5yy4y5q1hx3i7q3ahplcp4bq2g5r24g2izl2";
+      type = "gem";
+    };
+    version = "2.4.1";
+  };
+  coffee-script-source = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1907v9q1zcqmmyqzhzych5l7qifgls2rlbnbhy5vzyr7i7yicaz1";
+      type = "gem";
+    };
+    version = "1.12.2";
+  };
+  concurrent-ruby = {
+    groups = ["default" "development" "test"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "183lszf5gx84kcpb779v6a2y0mx9sssy8dgppng1z9a505nj1qcf";
+      type = "gem";
+    };
+    version = "1.0.5";
+  };
+  crass = {
+    groups = ["default" "development" "test"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0bpxzy6gjw9ggjynlxschbfsgmx8lv3zw1azkjvnb8b9i895dqfi";
+      type = "gem";
+    };
+    version = "1.0.4";
+  };
+  diff-lcs = {
+    groups = ["default" "development" "test"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "18w22bjz424gzafv6nzv98h0aqkwz3d9xhm7cbr1wfbyas8zayza";
+      type = "gem";
+    };
+    version = "1.3";
+  };
+  docile = {
+    groups = ["default" "development" "test"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "04d2izkna3ahfn6fwq4xrcafa715d3bbqczxm16fq40fqy87xn17";
+      type = "gem";
+    };
+    version = "1.3.1";
+  };
+  erubi = {
+    groups = ["default" "development" "test"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0bws86na9k565raiz0kk61yy5pxxp0fmwyzpibdwjkq0xzx8q6q1";
+      type = "gem";
+    };
+    version = "1.7.1";
+  };
+  execjs = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1yz55sf2nd3l666ms6xr18sm2aggcvmb8qr3v53lr4rir32y1yp1";
+      type = "gem";
+    };
+    version = "2.7.0";
+  };
+  ffi = {
+    groups = ["default" "development" "test"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0jpm2dis1j7zvvy3lg7axz9jml316zrn7s0j59vyq3qr127z0m7q";
+      type = "gem";
+    };
+    version = "1.9.25";
+  };
+  globalid = {
+    dependencies = ["activesupport"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "02smrgdi11kziqi9zhnsy9i6yr2fnxrqlv3lllsvdjki3cd4is38";
+      type = "gem";
+    };
+    version = "0.4.1";
+  };
+  haml = {
+    dependencies = ["temple" "tilt"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1q0a9fvqh8kn6wm97fcks6qzbjd400bv8bx748w8v87m7p4klhac";
+      type = "gem";
+    };
+    version = "5.0.4";
+  };
+  i18n = {
+    dependencies = ["concurrent-ruby"];
+    groups = ["default" "development" "test"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0ppvmla21hssvrfm8g1n2fnb4lxn4yhy9qmmba0imanflgldrjmr";
+      type = "gem";
+    };
+    version = "1.1.0";
+  };
+  io-like = {
+    groups = ["default" "test"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "04nn0s2wmgxij3k760h3r8m1dgih5dmd9h4v1nn085yi824i5z6k";
+      type = "gem";
+    };
+    version = "0.3.0";
+  };
+  jbuilder = {
+    dependencies = ["activesupport" "multi_json"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1n3myqk2hdnidzzbgcdz2r1y4cr5vpz5nkfzs0lz4y9gkjbjyh2j";
+      type = "gem";
+    };
+    version = "2.7.0";
+  };
+  jquery-rails = {
+    dependencies = ["rails-dom-testing" "railties" "thor"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "02ii77vwxc49f2lrkbdzww2168bp5nihwzakc9mqyrsbw394w7ki";
+      type = "gem";
+    };
+    version = "4.3.1";
+  };
+  jquery-ui-rails = {
+    dependencies = ["railties"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1mbwwbbwzp836l7mc21amnaqmf5wbrw5hzls48hscrcgh0vig812";
+      type = "gem";
+    };
+    version = "6.0.1";
+  };
+  json = {
+    groups = ["default" "development" "test"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "01v6jjpvh3gnq6sgllpfqahlgxzj50ailwhj9b3cd20hi2dx0vxp";
+      type = "gem";
+    };
+    version = "2.1.0";
+  };
+  listen = {
+    dependencies = ["rb-fsevent" "rb-inotify" "ruby_dep"];
+    groups = ["development"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
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+    groups = ["default" "development" "test"];
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+    platforms = [];
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+    groups = ["default" "development" "test"];
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+    platforms = [];
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+    platforms = [];
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+  sass-rails = {
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+    platforms = [];
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+    groups = ["test"];
+    platforms = [];
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+  };
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+    platforms = [];
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+    groups = ["development"];
+    platforms = [];
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+    groups = ["default"];
+    platforms = [];
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+      sha256 = "182jw5a0fbqah5w9jancvfmjbk88h8bxdbwnl4d3q809rpxdg8ay";
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+    groups = ["default"];
+    platforms = [];
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+    platforms = [];
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+  };
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+    groups = ["default"];
+    platforms = [];
+    source = {
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+  };
+  web-console = {
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+    groups = ["development"];
+    platforms = [];
+    source = {
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+    platforms = [];
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+  };
+  websocket-extensions = {
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+  };
+  xpath = {
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+    groups = ["default" "test"];
+    platforms = [];
+    source = {
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+      type = "gem";
+    };
+    version = "3.1.0";
+  };
+}