Dockerfile

# Build the manager binary
FROM golang:1.20 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 controllers/ controllers/
COPY config/ config/
COPY pkg/ pkg/
COPY cmd/ cmd/

# Build
RUN GOPROXY=direct CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o package-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:debug-nonroot
WORKDIR /
COPY --from=builder /workspace/package-manager .
# https://github.com/GoogleContainerTools/distroless/blob/e3c79deb1c576afd2e7e77b96996e2e1abdc6937/base/base.bzl#L8
USER 65532:65532

ENTRYPOINT ["/package-manager"]