Index: security/Makefile
===================================================================
--- security/Makefile
+++ security/Makefile
@@ -898,6 +898,7 @@
     SUBDIR += ruby-tcpwrap
     SUBDIR += rubygem-bcrypt
     SUBDIR += rubygem-bcrypt-ruby
+    SUBDIR += rubygem-doorkeeper
     SUBDIR += rubygem-ezcrypto
     SUBDIR += rubygem-gpgr
     SUBDIR += rubygem-gssapi
Index: security/rubygem-doorkeeper/Makefile
===================================================================
--- /dev/null
+++ security/rubygem-doorkeeper/Makefile
@@ -0,0 +1,28 @@
+# $FreeBSD$
+
+PORTNAME=	doorkeeper
+PORTVERSION=	2.2.0
+CATEGORIES=	security rubygems
+MASTER_SITES=	RG
+
+MAINTAINER=	ruby@FreeBSD.org
+COMMENT=	Doorkeeper is an OAuth 2 provider for Rails and Grape
+
+LICENSE=	MIT
+
+OPTIONS_SINGLE=	SG1
+OPTIONS_SINGLE_SG1=	RAILTIES RAILTIES4
+
+RAILTIES_DESC=	Use Railties 3
+RAILTIES4_DESC=	Use Railties 4
+
+OPTIONS_DEFAULT=	RAILTIES4
+
+RAILTIES_RUN_DEPENDS=	rubygem-railties>=3.2:${PORTSDIR}/www/rubygem-railties
+RAILTIES4_RUN_DEPENDS=	rubygem-railties4>=4.0:${PORTSDIR}/www/rubygem-railties4
+
+USE_RUBY=	yes
+USE_RUBYGEMS=	yes
+RUBYGEM_AUTOPLIST=	yes
+
+.include <bsd.port.mk>
Index: security/rubygem-doorkeeper/distinfo
===================================================================
--- /dev/null
+++ security/rubygem-doorkeeper/distinfo
@@ -0,0 +1,2 @@
+SHA256 (rubygem/doorkeeper-2.2.0.gem) = faedb250ed90150ce2a87f1b1d681862051e64ec0eda716e7a649b8178751526
+SIZE (rubygem/doorkeeper-2.2.0.gem) = 98816
Index: security/rubygem-doorkeeper/pkg-descr
===================================================================
--- /dev/null
+++ security/rubygem-doorkeeper/pkg-descr
@@ -0,0 +1,4 @@
+Doorkeeper is a Ruby gem that makes it easy to introduce OAuth 2
+provider functionality to a Rails or Grape application.
+
+WWW: https://github.com/doorkeeper-gem/doorkeeper