Add evicter to docker image

Author: alpe

.gitignore

@@ -1,2 +1,3 @@
-k-rail
-vendor
+/k-rail
+/evicter
+vendor

Dockerfile

@@ -1,16 +1,16 @@
 # Build stage
 ARG GO_VERSION=1.13
-FROM golang:${GO_VERSION}-alpine AS builder
-RUN mkdir build; apk --no-cache add ca-certificates git make
+FROM golang:${GO_VERSION}-alpine3.10 AS builder
+RUN mkdir build ; apk --no-cache add ca-certificates git make
 WORKDIR /go/src/github.com/cruise-automation/k-rail
 COPY ./ /build/
-RUN cd /build; make test; make build
+RUN cd /build; make clean; make test; make build
 
 # Production image build stage
 FROM scratch
 EXPOSE 8443/tcp
 COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
-COPY --from=builder /etc/passwd /etc/passwd
 COPY --from=builder /build/k-rail /k-rail
+COPY --from=builder /build/evicter /evicter
 USER 65534
 ENTRYPOINT ["/k-rail", "-config", "/config/config.yml"]

Makefile

@@ -9,13 +9,26 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+.PHONY: all build test image clean
 
-ensure:
-		dep ensure
+LDFLAGS = -extldflags=-static -s -w
+BUILD_FLAGS = -mod=readonly -ldflags '$(LDFLAGS)' -trimpath
+BUILD_VERSION ?= manual
+IMAGE_NAME = "cruise/k-rail:${BUILD_VERSION}"
+
+all: dist
+
+dist: image
+
+clean:
+	rm -f evicter k-rail
 
 build:
-		GO111MODULE=on CGO_ENABLED=0 go build -o k-rail cmd/main.go
+		GO111MODULE=on CGO_ENABLED=0 go build ${BUILD_FLAGS} -o k-rail cmd/k-rail/main.go
+		GO111MODULE=on CGO_ENABLED=0 go build ${BUILD_FLAGS} -o evicter cmd/evicter/*.go
 
 test:
-		GO111MODULE=on CGO_ENABLED=1 go test -race -cover $(shell go list ./... | grep -v /vendor/)
-		
+		GO111MODULE=on CGO_ENABLED=1 go test -mod=readonly -race  ./...
+
+image:
+	docker build --pull -t $(IMAGE_NAME) .