ARG GOLANG_VERSION=1.16

## Kustomize
FROM golang:${GOLANG_VERSION}-alpine as kustomize

ARG KUSTOMIZE_VERSION=3.8.10
ENV GOPROXY="https://proxy.golang.org/"

RUN apk add --no-cache gcc musl-dev
RUN mkdir /src && cd /src; \
      go mod init tmp && \
      go get sigs.k8s.io/kustomize/kustomize/v3@v${KUSTOMIZE_VERSION}

## Controller-gen
FROM golang:${GOLANG_VERSION}-alpine as controller-gen

ARG CONTROLLER_GEN_VERSION=0.3.0
ENV GOPROXY="https://proxy.golang.org/"

RUN mkdir /src && cd /src; \
    go mod init tmp \
	  && go get sigs.k8s.io/controller-tools/cmd/controller-gen@v${CONTROLLER_GEN_VERSION} 

## Build
FROM golang:${GOLANG_VERSION}-alpine as build

LABEL maintainer="GitLab Distribution Team" \
      description="Build base image for the GitLab Operator project."

ARG KUBEBUILDER_VERSION=2.3.1
ARG YQ_VERSION=4.7.0
ARG HELM_VERSION=3.5.2

RUN apk add --no-cache podman curl make gcc musl-dev git bash coreutils
RUN go get -u \
        github.com/onsi/ginkgo/ginkgo \
        golang.org/x/lint/golint 

# Kubebuilder
RUN curl --retry 6 -Ls https://github.com/kubernetes-sigs/kubebuilder/releases/download/v${KUBEBUILDER_VERSION}/kubebuilder_${KUBEBUILDER_VERSION}_linux_amd64.tar.gz | tar -xz -C /tmp/ \
    && mv /tmp/kubebuilder_${KUBEBUILDER_VERSION}_linux_amd64 /usr/local/kubebuilder \
    && ln -sfv /usr/local/kubebuilder/bin/* /usr/local/bin

# Yq
RUN curl --retry 6 -LsO https://github.com/mikefarah/yq/releases/download/v${YQ_VERSION}/yq_linux_amd64 \
    && chmod +x yq_linux_amd64 \
    && mv yq_linux_amd64 /usr/local/bin/yq

# Helm
RUN curl --retry 6 -Ls "https://get.helm.sh/helm-v${HELM_VERSION}-linux-amd64.tar.gz" | tar -xz -C /tmp/ \
    && chmod +x /tmp/linux-amd64/helm \
    && mv /tmp/linux-amd64/helm /usr/local/bin/helm

# Kustomize
COPY --from=kustomize /go/bin/kustomize /usr/local/bin/kustomize
# Controller-gen
COPY --from=controller-gen /go/bin/controller-gen /usr/local/bin/controller-gen

## Final image
FROM golang:${GOLANG_VERSION}-alpine
LABEL maintainer="GitLab Distribution Team" \
      description="Build base image for the GitLab Operator project."
COPY --from=build / /