feat: add build-arg into the golang dockerfile template (#13)

Co-authored-by: rick <[email protected]>

runtime/golang.go

@@ -102,8 +102,10 @@ WORKDIR /go/src/app
 ARG TARGETOS=linux
 ARG TARGETARCH=arm64
 ARG CGO_ENABLED=0
+ARG GOPROXY=direct
 
 COPY . .
+ENV GOPROXY=${GOPROXY}
 RUN if [ -f go.mod ]; then go mod download; fi
 
 FROM base AS build
@@ -112,9 +114,11 @@ ARG TARGETOS=linux
 ARG TARGETARCH=arm64
 ARG CGO_ENABLED=0
 ARG PACKAGE={{.Package}}
+ARG GOPROXY=direct
 # -trimpath removes the absolute path to the source code in the binary
 # -ldflags="-s -w" removes the symbol table and debug information from the binary
 # CGO_ENABLED=0 disables the use of cgo
+ENV GOPROXY=${GOPROXY}
 RUN CGO_ENABLED=${CGO_ENABLED} GOOS=${TARGETOS} GOARCH=${TARGETARCH} go build -trimpath -ldflags="-s -w" -o /go/bin/app "${PACKAGE}"
 
 FROM debian:stable-slim