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feat: 'make multi' to build and push multiarch docker image with arm64,amd64,arm archs #16

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feat: 'make multi' to build and push multiarch docker image with arm64,amd64,arm archs #16

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7 changes: 6 additions & 1 deletion Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,5 +1,10 @@
FROM golang:1.23-bookworm AS build

WORKDIR /go/src/app
RUN --mount=target=. make build

FROM quay.io/prometheus/busybox:latest

ADD prometheus-example-app /bin/prometheus-example-app
COPY --from=build /tmp/prometheus-example-app /bin/prometheus-example-app

ENTRYPOINT ["/bin/prometheus-example-app"]
9 changes: 7 additions & 2 deletions Makefile
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Expand Up @@ -2,6 +2,11 @@ VERSION:=$(shell cat VERSION)

LDFLAGS="-X main.appVersion=$(VERSION)"

all:
CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags=$(LDFLAGS) -o prometheus-example-app --installsuffix cgo main.go
build:
CGO_ENABLED=0 go build -ldflags=$(LDFLAGS) -o /tmp/prometheus-example-app --installsuffix cgo main.go

all: build
docker build -t quay.io/brancz/prometheus-example-app:$(VERSION) .

multi: build
docker buildx build --push --platform linux/arm/v7,linux/arm64/v8,linux/amd64 -t quay.io/brancz/prometheus-example-app:$(VERSION) .