Dockerfile

# Copyright (c) 2019 VMware, Inc. All Rights Reserved.
# SPDX-License-Identifier: Apache-2.0

# Build the manager binary
ARG GOLANG_IMAGE=golang:1.23-bullseye
ARG BASE_IMAGE=gcr.io/distroless/static:nonroot
FROM $GOLANG_IMAGE AS builder

WORKDIR /workspace
# Copy the Go Modules manifests
COPY go.mod go.mod
COPY go.sum go.sum
# cache deps before building and copying source so that we don't need to re-download as much
# and so that source changes don't invalidate our downloaded layer
ARG GOPROXY=https://goproxy.io,direct

ENV GOPROXY=$GOPROXY
RUN go mod download

# Copy the go source
COPY main.go main.go
COPY api/ api/
COPY controllers/ controllers/
COPY pkg/ pkg/

# Build
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -a -o manager main.go

# Use distroless as minimal base image to package the manager binary
# Refer to https://github.com/GoogleContainerTools/distroless for more details
FROM $BASE_IMAGE
WORKDIR /
COPY --from=builder /workspace/manager .
USER nonroot:nonroot

ENTRYPOINT ["/manager"]