ARG WINDOWS_VERSION=1809

# Build the manager binary
FROM --platform=windows/amd64 golang:1.20 as builder

## GOLANG env
ENV GO111MODULE="on" CGO_ENABLED="0" GOOS="windows" GOARCH="amd64"
ARG GOPROXY="https://proxy.golang.org|direct"

# Copy go.mod and download dependencies
WORKDIR /node-termination-handler
COPY go.mod .
COPY go.sum .
RUN go mod download -x

# Build
COPY . .
RUN go build -ldflags="-s" -a -tags nth${GOOS} -o build/node-termination-handler cmd/node-termination-handler.go

# In case the target is build for testing:
# $ docker build  --target=builder -t test .
ENTRYPOINT ["/node-termination-handler/build/node-termination-handler"]

# Copy the controller-manager into a thin image
FROM mcr.microsoft.com/windows/nanoserver:${WINDOWS_VERSION}
WORKDIR /
COPY --from=builder /windows/system32/netapi32.dll /windows/system32/
COPY --from=builder /node-termination-handler/build/node-termination-handler .
COPY THIRD_PARTY_LICENSES.md .
ENTRYPOINT ["/node-termination-handler"]