Install this version:
emerge -a =dev-haskell/testcontainers-0.5.3.0
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =dev-haskell/testcontainers-0.5.3.0
Or alternatively:
emerge --autounmask-write -a =dev-haskell/testcontainers-0.5.3.0
# Copyright 1999-2026 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
CABAL_FEATURES="lib profile haddock hoogle hscolour test-suite"
inherit haskell-cabal
DESCRIPTION="Docker containers for your integration tests"
HOMEPAGE="https://github.com/testcontainers/testcontainers-hs"
LICENSE="MIT"
SLOT="0/${PV}"
KEYWORDS="~amd64 ~x86"
RESTRICT="test" # needs docker
RDEPEND="dev-haskell/aeson:=[profile?]
dev-haskell/async:=[profile?]
dev-haskell/http-client:=[profile?]
dev-haskell/http-types:=[profile?]
dev-haskell/network:=[profile?]
dev-haskell/optics-core:=[profile?]
dev-haskell/random:=[profile?]
dev-haskell/resourcet:=[profile?]
dev-haskell/tasty:=[profile?]
dev-haskell/text:=[profile?]
dev-haskell/unliftio-core:=[profile?]
dev-lang/ghc:="
DEPEND="${RDEPEND}"
BDEPEND="dev-haskell/cabal:=
test? ( app-containers/docker
app-containers/docker-cli
dev-haskell/hspec
dev-haskell/tasty-discover
dev-haskell/tasty-hspec
dev-haskell/tasty-hunit )"
src_prepare() {
haskell-cabal_src_prepare
sed -i '/license-file/d' testcontainers.cabal || die "sed failed"
}
dev-haskell/aeson:=[profile?] dev-haskell/async:=[profile?] dev-haskell/http-client:=[profile?] dev-haskell/http-types:=[profile?] dev-haskell/network:=[profile?] dev-haskell/optics-core:=[profile?] dev-haskell/random:=[profile?] dev-haskell/resourcet:=[profile?] dev-haskell/tasty:=[profile?] dev-haskell/text:=[profile?] dev-haskell/unliftio-core:=[profile?] dev-lang/ghc:=
dev-haskell/aeson:=[profile?] dev-haskell/async:=[profile?] dev-haskell/http-client:=[profile?] dev-haskell/http-types:=[profile?] dev-haskell/network:=[profile?] dev-haskell/optics-core:=[profile?] dev-haskell/random:=[profile?] dev-haskell/resourcet:=[profile?] dev-haskell/tasty:=[profile?] dev-haskell/text:=[profile?] dev-haskell/unliftio-core:=[profile?] dev-lang/ghc:=
dev-haskell/cabal:= test? ( app-containers/docker app-containers/docker-cli dev-haskell/hspec dev-haskell/tasty-discover dev-haskell/tasty-hspec dev-haskell/tasty-hunit )