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# syntax=docker/dockerfile:1
ARG GO_VERSION=1.24.9
# ALPINE_VERSION sets the version of the alpine base image to use, including for the golang image.
# It must be a supported tag in the docker.io/library/alpine image repository
# that's also available as alpine image variant for the Golang version used.
ARG ALPINE_VERSION=3.21
# BUILDX_VERSION sets the version of buildx to install in the dev container.
# It must be a valid tag in the docker.io/docker/buildx-bin image repository
# on Docker Hub.
ARG BUILDX_VERSION=0.25.0
FROM docker/buildx-bin:${BUILDX_VERSION} AS buildx
FROM golang:${GO_VERSION}-alpine${ALPINE_VERSION} AS golang
ENV GOTOOLCHAIN=local
ENV CGO_ENABLED=0
FROM golang AS gofumpt
ARG GOFUMPT_VERSION=v0.7.0
RUN --mount=type=cache,target=/root/.cache/go-build \
--mount=type=cache,target=/go/pkg/mod \
--mount=type=tmpfs,target=/go/src/ \
GO111MODULE=on go install "mvdan.cc/gofumpt@${GOFUMPT_VERSION}" \
&& gofumpt --version
FROM golang AS gotestsum
# GOTESTSUM_VERSION sets the version of gotestsum to install in the dev container.
# It must be a valid tag in the https://github.com/gotestyourself/gotestsum repository.
ARG GOTESTSUM_VERSION=v1.13.0
RUN --mount=type=cache,target=/root/.cache/go-build \
--mount=type=cache,target=/go/pkg/mod \
--mount=type=tmpfs,target=/go/src/ \
GO111MODULE=on go install gotest.tools/gotestsum@${GOTESTSUM_VERSION}
FROM golang AS goversioninfo
ARG GOVERSIONINFO_VERSION=v1.4.1
RUN --mount=type=cache,target=/root/.cache/go-build \
--mount=type=cache,target=/go/pkg/mod \
--mount=type=tmpfs,target=/go/src/ \
GO111MODULE=on go install github.com/josephspurrier/goversioninfo/cmd/goversioninfo@${GOVERSIONINFO_VERSION}
FROM golang AS dev
RUN apk add --no-cache \
bash \
bash-completion \
build-base \
ca-certificates \
coreutils \
curl \
git \
git-daemon \
jq \
nano
RUN <<-'EOF'
cat > /etc/motd <<-'EOM'
\e[1;32mYou are now in a development container.\e[0m
Run \e[1;36mmake help\e[0m to see available targets.
EOM
cat >> /root/.bashrc <<-'EOB'
# print the MOTD when opening the dev-container (interactive shell only).
if [[ $- == *i* ]] && [[ -z "$MOTD_SHOWN" ]]; then
printf "%b\n" "$(cat /etc/motd)"
export MOTD_SHOWN=1
fi
# set a custom prompt to make it more visible when inside the dev-container.
PS1='\[\e[0;32m\]\u@docker-cli-dev\$ \[\e[0m\]'
# set-up bash completion for testing.
source /etc/bash/bash_completion.sh
EOB
EOF
CMD ["/bin/bash"]
ENV DISABLE_WARN_OUTSIDE_CONTAINER=1
ENV PATH=$PATH:/go/src/github.com/docker/cli/build
COPY --link --from=buildx /buildx /usr/libexec/docker/cli-plugins/docker-buildx
COPY --link --from=gofumpt /go/bin/* /go/bin/
COPY --link --from=gotestsum /go/bin/* /go/bin/
COPY --link --from=goversioninfo /go/bin/* /go/bin/
WORKDIR /go/src/github.com/docker/cli
ENV GO111MODULE=auto
COPY --link . .
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