Add build files

Dockerfile

@@ -0,0 +1,32 @@
+FROM golang:1.10
+
+RUN mkdir -p /go/src/github.com/stefanprodan/steerer/
+
+WORKDIR /go/src/github.com/stefanprodan/steerer
+
+COPY . .
+
+RUN gofmt -l -d $(find . -type f -name '*.go' -not -path "./vendor/*") && \
+  VERSION=$(git describe --all --exact-match `git rev-parse HEAD` | grep tags | sed 's/tags\///') && \
+  GIT_COMMIT=$(git rev-list -1 HEAD) && \
+  CGO_ENABLED=0 GOOS=linux go build -ldflags "-s -w \
+  -X github.com/stefanprodan/steerer/pkg/version.VERSION=${VERSION} \
+  -X github.com/stefanprodan/steerer/pkg/version.REVISION=${GIT_COMMIT}" \
+  -a -installsuffix cgo -o steerer ./cmd/controller/*
+
+FROM alpine:3.8
+
+RUN addgroup -S app \
+    && adduser -S -g app app \
+    && apk --no-cache add ca-certificates
+
+WORKDIR /home/app
+
+COPY --from=0 /go/src/github.com/stefanprodan/steerer/steerer .
+
+RUN chown -R app:app ./
+
+USER app
+
+ENTRYPOINT ["./steerer"]
+CMD ["-logtostderr"]

Makefile

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+TAG?=latest
+
+build:
+	docker build -t stefanprodan/steerer:$(TAG) . -f Dockerfile
+
+push:
+	docker push stefanprodan/steerer:$(TAG)
+
+test:
+	go test ./...
+
+verify-codegen:
+	./hack/verify-codegen.sh