Allow for MultiArch builds (#125)

Remove `GOARCH=amd64` to allow for MultiArch builds.

Signed-off-by: Marco Ochse <[email protected]>

Dockerfile

@@ -2,8 +2,7 @@ FROM golang:alpine AS builder
 
 ENV GO111MODULE=on \
     CGO_ENABLED=0 \
-    GOOS=linux \
-    GOARCH=amd64
+    GOOS=linux
 
 RUN apk add git
 
@@ -27,4 +26,4 @@ FROM scratch
 COPY --from=builder /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/
 COPY --from=builder /dist/main /
 
-ENTRYPOINT ["/main"]
+ENTRYPOINT ["/main"]