diff --git a/www-apps/misskey/misskey-12.111.0-r1.ebuild b/www-apps/misskey/misskey-12.111.0-r1.ebuild
new file mode 100644
index 0000000..aa72a89
--- /dev/null
+++ b/www-apps/misskey/misskey-12.111.0-r1.ebuild
@@ -0,0 +1,146 @@
+# Copyright 2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit optfeature savedconfig
+
+# NOTE: update for each bump
+MY_COMMIT_ASSETS="0179793ec891856d6f37a3be16ba4c22f67a81b5"
+
+DESCRIPTION="An interplanetary microblogging platform"
+HOMEPAGE="https://misskey-hub.net/"
+SRC_URI="
+	https://github.com/misskey-dev/misskey/archive/refs/tags/${PV}.tar.gz -> ${P}.tar.gz
+	https://github.com/misskey-dev/assets/archive/${MY_COMMIT_ASSETS}.tar.gz -> ${PN}-assets-${MY_COMMIT_ASSETS}.tar.gz
+	https://tastytea.de/files/gentoo/${P}-deps.tar.xz
+"
+
+# NOTE: to generate the deps archive:
+#       export YARN_CACHE_FOLDER="$(realpath ./packages-cache)"
+#       export CYPRESS_CACHE_FOLDER="$(realpath ./packages-cache)"
+#       export npm_config_cache="$(realpath ./packages-cache)"
+#       yarn clean-all && rm -r packages-cache
+#       yarn install
+#       tar -caf ${P}-deps.tar.xz packages-cache
+#       unset YARN_CACHE_FOLDER CYPRESS_CACHE_FOLDER npm_config_cache
+
+LICENSE="GPL-3"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="nginx +savedconfig source"
+
+REQUIRED_USE="savedconfig"
+
+RESTRICT="strip"
+
+COMMON_DEPEND="
+	net-libs/nodejs:0/16
+	sys-apps/yarn
+"
+BDEPEND="
+	${COMMON_DEPEND}
+	dev-lang/nasm
+	virtual/pkgconfig
+"
+RDEPEND="
+	${COMMON_DEPEND}
+	acct-user/misskey
+	dev-db/postgresql
+	dev-db/redis
+	nginx? ( www-servers/nginx )
+"
+
+src_unpack() {
+	default
+	mv --no-target-directory assets-${MY_COMMIT_ASSETS} ${P}/${PN}-assets \
+		|| die "Could not move assets"
+	mv packages-cache ${T}/ || die "Could not move packages cache"
+}
+
+src_prepare() {
+	export YARNFLAGS="--offline --verbose --frozen-lockfile"
+	export YARN_CACHE_FOLDER="${T}"/packages-cache
+	export CYPRESS_CACHE_FOLDER="${T}"/packages-cache
+	export npm_config_cache="${T}"/packages-cache
+	# use system node-gyp
+	PATH+=":/usr/lib64/node_modules/npm/bin/node-gyp-bin"
+	export npm_config_nodedir=/usr/include/node/
+
+	restore_config .config/default.yml
+	if [[ ! -f .config/default.yml ]]; then
+		eerror "Edit .config/example.yml and save it to the location mentioned above"
+		die "No config file found"
+	fi
+
+	default
+}
+
+src_compile() {
+	yarn ${YARNFLAGS} install || die "dependency installation failed"
+	NODE_ENV=production yarn ${YARNFLAGS} build || die "build failed"
+}
+
+src_install() {
+	insinto opt/misskey/misskey
+	insopts -o misskey -g misskey
+	if use source; then
+		doins -r .
+	else
+		doins -r package.json .node-version .config built packages
+	fi
+
+	# insopts doesn't affect directories
+	chown --recursive misskey:misskey "${ED}"/opt/misskey/misskey
+	chmod o= "${ED}"/opt/misskey/misskey
+
+	newinitd ${FILESDIR}/${PN}.initd ${PN}
+	if use nginx; then
+		sed -i 's/use logger$/use logger nginx/' "${ED}"/etc/init.d/${PN} \
+			|| die "Could not modify OpenRC init script"
+	fi
+
+	einstalldocs
+}
+
+src_preinst() {
+	# Apparently Misskey creates files at runtime that can interfere
+	# after an upgrade. Normally you would run 'yarn cleanall'.
+	einfo "Cleaning up Misskey directory …"
+	su --shell /bin/bash --login --command \
+		"rm -rf misskey/{built,packages,node_modules}" \
+		misskey || die "cleanup failed"
+}
+
+pkg_postinst() {
+	# Only run migrations if database exists
+	if su --login --command "psql misskey -c ''" postgres; then
+		einfo "Running 'yarn migrate'"
+		su --shell /bin/bash --login --command \
+		   "cd misskey && yarn ${YARNFLAGS} --verbose migrate" \
+		   misskey || die "migration failed"
+	else
+		elog "Run emerge --config ${CATEGORY}/${PN} to initialise the PostgreSQL database"
+	fi
+
+	if use nginx; then
+		einfo "An nginx example config can be found at <https://misskey-hub.net/en/docs/admin/nginx.html>"
+	fi
+
+	optfeature "thumbnail generation support" media-video/ffmpeg
+}
+
+pkg_config() {
+	einfo "Initialising PostgreSQL database"
+	echo -n "password for misskey user: "
+	read MY_PASSWORD || die "Reading password failed"
+	echo "create database misskey; create user misskey with encrypted password '${MY_PASSWORD}'; grant all privileges on database misskey to misskey; \q" \
+		| su --login --command psql postgres || die "database creation failed"
+
+	su --shell /bin/bash --login --command \
+		"cd misskey && yarn ${YARNFLAGS} run init" \
+		misskey || die "database initialisation failed"
+
+	ewarn "When you first start Misskey you will be asked to add an admin account via the web interface, and registrations are enabled."
+	ewarn "Do not expose the web interface to the public until after you configured your instance\!"
+}