+# Load secure_headers for Content-Security-Policy support
+gem "secure_headers"
+
+# Load canonical-rails to generate canonical URLs
+gem "canonical-rails"
+
+# Used to generate logstash friendly log files
+gem "logstasher"
+
+# Used to generate images for traces
+gem "gd2-ffij", :git => 'git@github.com:mmd-osm/gd2-ffij.git', :branch => 'animated_gif'
+
+# Used for browser detection
+gem "browser"
+