Add Dockerfile

Author: pmundt

Dockerfile

@@ -0,0 +1,21 @@
+FROM golang as builder
+
+ARG KUBECONFIG
+
+ENV GO111MODULE=on
+
+WORKDIR /app
+
+COPY go.mod .
+COPY go.sum .
+
+RUN go mod download
+
+COPY . .
+
+RUN CGO_ENABLED=0 GOOS=linux go build
+
+FROM scratch
+COPY --from=builder /app/k8s-dt-node-labeller /app/
+
+ENTRYPOINT [ "/app/k8s-dt-node-labeller" ]