Split Dockerfile

Dockerfile

@@ -9,7 +9,7 @@ RUN dep ensure --vendor-only
 COPY ./main.go /go/src/app/
 RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix nocgo -o dsched .
 
-FROM alpine:latest
+FROM busybox:latest
 WORKDIR /root/
 COPY --from=builder /go/src/app/dsched .
 

Dockerfile.arm32v7

@@ -0,0 +1,16 @@
+FROM arm32v7/golang:1.10 AS builder
+
+RUN go get -u github.com/golang/dep/cmd/dep
+
+WORKDIR /go/src/app/
+COPY ./Gopkg.* /go/src/app/
+RUN dep ensure --vendor-only
+
+COPY ./main.go /go/src/app/
+RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix nocgo -o dsched .
+
+FROM arm32v7/busybox:latest
+WORKDIR /root/
+COPY --from=builder /go/src/app/dsched .
+
+CMD [ "./dsched" ]

Makefile

@@ -39,6 +39,10 @@ dep-update:
 docker-build:
 	docker build -t $(DOCKER_TAG) .
 
+.PHONY: docker-build-arm
+docker-build-arm:
+	docker build -t $(DOCKER_TAG)-arm32v7 ./Dockerfile.arm32v7
+
 .PHONY: docker-run
 docker-run:
 	docker run --rm -v /var/run/docker.sock:/var/run/docker.sock --name $(DOCKER_TAG)-run $(DOCKER_TAG)