diff --git a/app-emulation/docker/Manifest b/app-emulation/docker/Manifest
index 3f84dd1c2dd2f..af93084d5ee85 100644
--- a/app-emulation/docker/Manifest
+++ b/app-emulation/docker/Manifest
@@ -1,3 +1,4 @@
 DIST docker-1.6.1.tar.gz 5713944 SHA256 aa3534277d11b32bc3564b801aeed0502f067317e7e111bd91ce2d989d34c51e SHA512 d2647f191fd295c8a9326e11ddbf6e77f33b70f14e3ebd37db3c9fa1f4946e0e3f426078ee847f52d7c57fc7783d26afe3e5d2e7ff17d8e6bb4f71609e8f5ef2 WHIRLPOOL e12c799ef63a0646f7393b00b6c1e200f350f7089445c58819ae5b53d66d18d985cb9f8fde1cd3ecfa55c2f0186064fc7080b7ebba132404aa15502029881602
 DIST docker-1.6.2.tar.gz 5714121 SHA256 f3a031b23ea9ff0fdbf3ffb9449c64ec51bb053491b47b28000eb4cce9f23203 SHA512 c27bdafabcb8ad2e49bee9e1529141a25596ba2b59435fb9368fc406950d0d7d1cbd876f1f4248dfc7089a22b8a2d13009dd164bde87e37b95a8e502bb49cac9 WHIRLPOOL aea4105ba30104d751203153b6208e363ce0abb3145ee134e675c4bc640e888afb281e7ba9009a30b9af37e829185684427a33b947d8710b49562e3352526c06
 DIST docker-1.7.1.tar.gz 6853527 SHA256 9cd26415d68a88d3cf576e7e78c2fe97f42af795404f552728acc5b41dccf4ef SHA512 9b32c3deab77a27a4322a3ccbb3759a2c2a5627605090c4517c3754e6821407abcf5ffa227bad1fdafcbba068cdcaab586015dd8cfe9aed7e8a221d0615463f1 WHIRLPOOL 41b1afd8ea08c3452e5658d73e85c3b79a64f85fb4cb99c4c6a2ce1ab49836cebbe14724afe47898cb8d9bb9d4d69c64ff1c061895f3b9534150bc7ab50e2b22
+DIST docker-1.8.1.tar.gz 7562594 SHA256 7f22e88a994dc1bc143f87215de01ccd902450e6e8d747467d042a56db792b03 SHA512 6c015b236914da945d9e5bf2fed3e8a0a4d1e0c44ee02bf6edc04b2bb48b626353e37de45cd99c486b7ced70807e606d5eac2f1bdb3f8a7ba86cd9b71e4f5504 WHIRLPOOL 8d514fb309f0ddbb92bcf84f4d79320e18c26211536919bbed68888f5af77247f14f93239e5c890c5214cf0a9663acc48a45545a87227f0fe4bf8866ac7d7c5c
diff --git a/app-emulation/docker/docker-1.8.1.ebuild b/app-emulation/docker/docker-1.8.1.ebuild
new file mode 100644
index 0000000000000..0fea9a31ac7ee
--- /dev/null
+++ b/app-emulation/docker/docker-1.8.1.ebuild
@@ -0,0 +1,267 @@
+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=5
+
+EGO_PN="github.com/docker/docker"
+
+if [[ ${PV} = *9999* ]]; then
+	# Docker cannot be fetched via "go get", thanks to autogenerated code
+	EGIT_REPO_URI="https://${EGO_PN}.git"
+	EGIT_CHECKOUT_DIR="${WORKDIR}/${P}/src/${EGO_PN}"
+	inherit git-r3
+else
+	MY_PV="${PV/_/-}"
+	DOCKER_GITCOMMIT="d12ea79"
+	EGIT_COMMIT="v${MY_PV}"
+	SRC_URI="https://${EGO_PN}/archive/${EGIT_COMMIT}.tar.gz -> ${P}.tar.gz"
+	KEYWORDS="~amd64"
+	[ "$DOCKER_GITCOMMIT" ] || die "DOCKER_GITCOMMIT must be added manually for each bump!"
+	inherit golang-vcs-snapshot
+fi
+inherit bash-completion-r1 linux-info multilib systemd udev user
+
+DESCRIPTION="Docker complements kernel namespacing with a high-level API which operates at the process level"
+HOMEPAGE="https://dockerproject.org"
+LICENSE="Apache-2.0"
+SLOT="0"
+IUSE="apparmor aufs btrfs +device-mapper experimental lxc overlay"
+
+# https://github.com/docker/docker/blob/master/hack/PACKAGERS.md#build-dependencies
+CDEPEND="
+	>=dev-db/sqlite-3.7.9:3
+	device-mapper? (
+		>=sys-fs/lvm2-2.02.89[thin]
+	)
+"
+
+DEPEND="
+	${CDEPEND}
+
+	dev-go/go-md2man
+
+	btrfs? (
+		>=sys-fs/btrfs-progs-3.8
+	)
+"
+
+# https://github.com/docker/docker/blob/master/hack/PACKAGERS.md#runtime-dependencies
+# https://github.com/docker/docker/blob/master/hack/PACKAGERS.md#optional-dependencies
+RDEPEND="
+	${CDEPEND}
+
+	!app-emulation/docker-bin
+	>=net-firewall/iptables-1.4
+	sys-process/procps
+	>=dev-vcs/git-1.7
+	>=app-arch/xz-utils-4.9
+
+	lxc? (
+		>=app-emulation/lxc-1.0.7
+	)
+
+	apparmor? (
+		sys-libs/libapparmor[static-libs]
+	)
+"
+
+RESTRICT="installsources strip"
+
+# see "contrib/check-config.sh" from upstream's sources
+CONFIG_CHECK="
+	~NAMESPACES ~NET_NS ~PID_NS ~IPC_NS ~UTS_NS
+	~DEVPTS_MULTIPLE_INSTANCES
+	~CGROUPS ~CGROUP_CPUACCT ~CGROUP_DEVICE ~CGROUP_FREEZER ~CGROUP_SCHED ~CPUSETS ~MEMCG
+	~MACVLAN ~VETH ~BRIDGE ~BRIDGE_NETFILTER
+	~NF_NAT_IPV4 ~IP_NF_FILTER ~IP_NF_TARGET_MASQUERADE
+	~NETFILTER_XT_MATCH_ADDRTYPE ~NETFILTER_XT_MATCH_CONNTRACK
+	~NF_NAT ~NF_NAT_NEEDED
+
+	~POSIX_MQUEUE
+
+	~MEMCG_KMEM ~MEMCG_SWAP ~MEMCG_SWAP_ENABLED
+
+	~BLK_CGROUP ~IOSCHED_CFQ
+	~CGROUP_PERF
+	~CGROUP_HUGETLB
+	~NET_CLS_CGROUP
+	~CFS_BANDWIDTH ~FAIR_GROUP_SCHED ~RT_GROUP_SCHED
+"
+
+ERROR_MEMCG_KMEM="CONFIG_MEMCG_KMEM: is optional"
+ERROR_MEMCG_SWAP="CONFIG_MEMCG_SWAP: is required if you wish to limit swap usage of containers"
+ERROR_RESOURCE_COUNTERS="CONFIG_RESOURCE_COUNTERS: is optional for container statistics gathering"
+
+ERROR_BLK_CGROUP="CONFIG_BLK_CGROUP: is optional for container statistics gathering"
+ERROR_IOSCHED_CFQ="CONFIG_IOSCHED_CFQ: is optional for container statistics gathering"
+ERROR_CGROUP_PERF="CONFIG_CGROUP_PERF: is optional for container statistics gathering"
+ERROR_CFS_BANDWIDTH="CONFIG_CFS_BANDWIDTH: is optional for container statistics gathering"
+
+pkg_setup() {
+	if kernel_is lt 3 10; then
+		ewarn ""
+		ewarn "Using Docker with kernels older than 3.10 is unstable and unsupported."
+		ewarn " - http://docs.docker.com/installation/binaries/#check-kernel-dependencies"
+	fi
+
+	# for where these kernel versions come from, see:
+	# https://www.google.com/search?q=945b2b2d259d1a4364a2799e80e8ff32f8c6ee6f+site%3Akernel.org%2Fpub%2Flinux%2Fkernel+file%3AChangeLog*
+	if ! {
+		kernel_is ge 3 16 \
+		|| { kernel_is 3 15 && kernel_is ge 3 15 5; } \
+		|| { kernel_is 3 14 && kernel_is ge 3 14 12; } \
+		|| { kernel_is 3 12 && kernel_is ge 3 12 25; }
+	}; then
+		ewarn ""
+		ewarn "There is a serious Docker-related kernel panic that has been fixed in 3.16+"
+		ewarn "  (and was backported to 3.15.5+, 3.14.12+, and 3.12.25+)"
+		ewarn ""
+		ewarn "See also https://github.com/docker/docker/issues/2960"
+	fi
+
+	if kernel_is le 3 18; then
+		CONFIG_CHECK+="
+			~RESOURCE_COUNTERS
+		"
+	fi
+
+	if kernel_is le 3 13; then
+		CONFIG_CHECK+="
+			~NETPRIO_CGROUP
+		"
+	else
+		CONFIG_CHECK+="
+			~CGROUP_NET_PRIO
+		"
+	fi
+
+	if use aufs; then
+		CONFIG_CHECK+="
+			~AUFS_FS
+			~EXT4_FS_POSIX_ACL ~EXT4_FS_SECURITY
+		"
+		ERROR_AUFS_FS="CONFIG_AUFS_FS: is required to be set if and only if aufs-sources are used instead of aufs4/aufs3"
+	fi
+
+	if use btrfs; then
+		CONFIG_CHECK+="
+			~BTRFS_FS
+		"
+	fi
+
+	if use device-mapper; then
+		CONFIG_CHECK+="
+			~BLK_DEV_DM ~DM_THIN_PROVISIONING ~EXT4_FS ~EXT4_FS_POSIX_ACL ~EXT4_FS_SECURITY
+		"
+	fi
+
+	if use overlay; then
+		CONFIG_CHECK+="
+			~OVERLAY_FS ~EXT4_FS_SECURITY ~EXT4_FS_POSIX_ACL
+		"
+	fi
+
+	linux-info_pkg_setup
+
+	# create docker group for the code checking for it in /etc/group
+	enewgroup docker
+}
+
+src_prepare() {
+	cd "src/${EGO_PN}" || die
+	# allow user patches (use sparingly - upstream won't support them)
+	epatch_user
+}
+
+src_compile() {
+	cd "src/${EGO_PN}" || die
+	export GOPATH="${WORKDIR}/${P}:${PWD}/vendor:$(get_golibdir_gopath)"
+
+	# setup CFLAGS and LDFLAGS for separate build target
+	# see https://github.com/tianon/docker-overlay/pull/10
+	export CGO_CFLAGS="-I${ROOT}/usr/include"
+	export CGO_LDFLAGS="-L${ROOT}/usr/$(get_libdir)"
+
+	# if we're building from a zip, we need the GITCOMMIT value
+	[ "$DOCKER_GITCOMMIT" ] && export DOCKER_GITCOMMIT
+
+	if gcc-specs-pie; then
+		sed -i "s/EXTLDFLAGS_STATIC='/EXTLDFLAGS_STATIC='-fno-PIC /" hack/make.sh || die
+		grep -q -- '-fno-PIC' hack/make.sh || die 'hardened sed failed'
+
+		sed -i "s/LDFLAGS_STATIC_DOCKER='/LDFLAGS_STATIC_DOCKER='-extldflags -fno-PIC /" hack/make/dynbinary || die
+		grep -q -- '-fno-PIC' hack/make/dynbinary || die 'hardened sed failed'
+	fi
+
+	# let's set up some optional features :)
+	export DOCKER_BUILDTAGS=''
+	for gd in aufs btrfs device-mapper overlay; do
+		if ! use $gd; then
+			DOCKER_BUILDTAGS+=" exclude_graphdriver_${gd//-/}"
+		fi
+	done
+
+	if use apparmor; then
+		DOCKER_BUILDTAGS+=' apparmor'
+	fi
+
+	# https://github.com/docker/docker/pull/13338
+	if use experimental; then
+		export DOCKER_EXPERIMENTAL=1
+	else
+		unset DOCKER_EXPERIMENTAL
+	fi
+
+	# time to build!
+	./hack/make.sh dynbinary || die 'dynbinary failed'
+
+	# build the man pages too
+	./man/md2man-all.sh || die "unable to generate man pages"
+}
+
+src_install() {
+	cd "src/${EGO_PN}" || die
+	VERSION="$(cat VERSION)"
+	newbin "bundles/$VERSION/dynbinary/docker-$VERSION" docker
+	exeinto /usr/libexec/docker
+	newexe "bundles/$VERSION/dynbinary/dockerinit-$VERSION" dockerinit
+
+	newinitd contrib/init/openrc/docker.initd docker
+	newconfd contrib/init/openrc/docker.confd docker
+
+	systemd_dounit contrib/init/systemd/docker.{service,socket}
+
+	udev_dorules contrib/udev/*.rules
+
+	dodoc AUTHORS CONTRIBUTING.md CHANGELOG.md NOTICE README.md
+	dodoc -r docs/*
+	doman man/man*/*
+
+	dobashcomp contrib/completion/bash/*
+
+	insinto /usr/share/zsh/site-functions
+	doins contrib/completion/zsh/*
+
+	insinto /usr/share/vim/vimfiles
+	doins -r contrib/syntax/vim/ftdetect
+	doins -r contrib/syntax/vim/syntax
+
+	insinto "/usr/share/${PN}/contrib"
+	doins -r contrib/*
+}
+
+pkg_postinst() {
+	udev_reload
+
+	elog
+	elog "To use Docker, the Docker daemon must be running as root. To automatically"
+	elog "start the Docker daemon at boot, add Docker to the default runlevel:"
+	elog "  rc-update add docker default"
+	elog "Similarly for systemd:"
+	elog "  systemctl enable docker.service"
+	elog
+	elog "To use Docker as a non-root user, add yourself to the 'docker' group:"
+	elog "  usermod -aG docker youruser"
+	elog
+}