# Build the manager binary

FROM golang:1.13 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 apis/ apis/

COPY pkg/ pkg/

COPY cmd/oam-kubernetes-runtime/main.go main.go

# Build

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

# Use distroless as minimal base image to package the manager binary

# Refer to https://github.com/GoogleContainerTools/distroless for more details

# oamdev/gcr.io-distroless-static:nonroot is syncd from gcr.io/distroless/static:nonroot as somewhere can't reach gcr.io

FROM oamdev/gcr.io-distroless-static:nonroot

WORKDIR /

COPY --from=builder /workspace/controller .

USER nonroot:nonroot

ENTRYPOINT ["/controller"]