Dockerfile.cli

FROM golang:1.26 as builder

WORKDIR /vcluster-dev
ARG TARGETOS
ARG TARGETARCH

# Install helm binary
RUN curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 && chmod 700 get_helm.sh && ./get_helm.sh

# Copy the Go Modules manifests
COPY go.mod go.mod
COPY go.sum go.sum
COPY vendor/ vendor/

# Copy the go source
COPY cmd/vclusterctl cmd/vclusterctl
COPY pkg/ pkg/
COPY cmd/ cmd/

# Copy and embed the helm charts
COPY chart/ chart/
COPY hack/ hack/
RUN go generate -tags embed_chart ./...

ENV GO111MODULE on
ENV DEBUG true

# create and set GOCACHE now, this should slightly speed up the first build inside of the container
RUN mkdir -p /.cache
ENV GOCACHE=/.cache

# Build cmd
RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} GO111MODULE=on go build -mod vendor -tags embed_chart -o /vcluster cmd/vclusterctl/main.go

# we use alpine for easier debugging
FROM alpine:3.23
# Set home to "/" in order to for kubectl to automatically pick up vcluster kube config
ENV KUBECONFIG=/root/.kube/config
COPY --from=builder /vcluster /usr/local/bin/vcluster
CMD /usr/local/bin/vcluster