# syntax=docker/dockerfile:1 ARG GO_VERSION=1.25.5 # 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=3.22 # 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=0.29.1 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@${GOTESTSUM_VERSION} FROM golang AS goversioninfo # GOVERSIONINFO_VERSION is the version of GoVersionInfo to install. # It must be a valid tag from https://github.com/josephspurrier/goversioninfo ARG GOVERSIONINFO_VERSION=v1.5.0 RUN --mount=type=cache,target=/root/.cache/go-build \ --mount=type=cache,target=/go/pkg/mod \ --mount=type=tmpfs,target=/go/src/ \ GO111MODULE=on go install github.com/josephspurrier/goversioninfo/cmd/goversioninfo@${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 . .