Multi-platform dockerfile

letsencrypt · Nov 16, 2023 · 2374e56 · 2374e56
1 parent 92c9ccd
commit 2374e56
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/library/golang:1.21.4-bookworm AS build
+FROM --platform=$BUILDPLATFORM docker.io/library/golang:1.21.4-bookworm AS build
 
 WORKDIR /go/src/app
 
@@ -11,7 +11,7 @@ COPY *.go .
 
 ENV CGO_ENABLED=0
 
-RUN go build -v -o /go/bin/unbound_exporter ./...
+RUN GOOS=$TARGETOS GOARCH=$TARGETPLATFORM go build -v -o /go/bin/unbound_exporter ./...
 
 FROM gcr.io/distroless/static-debian12