Dockerfile

@@ -1,6 +1,6 @@
 # Alpine 3.20
 FROM golang:1.23.1-alpine3.20
-RUN apk add --no-cache zip git
+RUN apk install --no-cache zip
 
 # copy entrypoint file
 COPY entrypoint.go /usr/bin/entrypoint.go
@@ -8,5 +8,7 @@ COPY entrypoint.go /usr/bin/entrypoint.go
 # change mode of the entrypoint file
 RUN chmod +x /usr/bin/entrypoint.go
 
+RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -o /go-xbuild
+
 # set entrypoint command
-ENTRYPOINT [ "go", "run", "/usr/bin/entrypoint.go"]
+ENTRYPOINT [ "/go-xbuild"]