Dockerfile

# Build the manager binary
FROM golang:1.22 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
RUN go mod download

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

ARG ldflags

# Build
RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 \
    go build -trimpath -ldflags "${ldflags}" -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

# Add directory containing the licenses of all dependencies
COPY out/licenses /licenses

ENTRYPOINT ["/manager"]