Dockerfile

# Build the manager binary
FROM golang:1.22.1 as builder

ARG GOARCH

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

COPY hack/ hack/
# 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
RUN mkdir -p -m 0600 ~/.ssh \
  && ssh-keyscan -t rsa github.com >> ~/.ssh/known_hosts \
  && go mod download

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

# Build
RUN --mount=type=cache,target=/root/.cache/go-build \
  --mount=type=cache,target=/go/pkg \
  GOMAXPROCS=1 CGO_ENABLED=0 GOOS=linux GOARCH=${GOARCH} 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 gcr.io/distroless/static:nonroot
WORKDIR /
COPY --from=builder /workspace/manager .
USER 65532:65532

ENTRYPOINT ["/manager"]