From 6c9bd20f5448fda49649386b32d981e5428e3fe4 Mon Sep 17 00:00:00 2001
From: Catena cyber <35799796+catenacyber@users.noreply.github.com>
Date: Wed, 25 Nov 2020 16:40:15 +0100
Subject: [PATCH] Golang modules documentation (#4711)

* Clones golang-protobuf into the expected directory

* Improves the documentation for golang projects with modules
---
 docs/getting-started/new-project-guide/go_lang.md | 7 +++++++
 projects/golang-protobuf/Dockerfile               | 4 ++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/docs/getting-started/new-project-guide/go_lang.md b/docs/getting-started/new-project-guide/go_lang.md
index 94ab41707..62fde91d6 100644
--- a/docs/getting-started/new-project-guide/go_lang.md
+++ b/docs/getting-started/new-project-guide/go_lang.md
@@ -69,6 +69,13 @@ your Dockerfile.
 RUN go get github.com/ianlancetaylor/demangle
 ```
 
+In the case you are using modules, the best practice is to `git clone` the repository into the expected `$GOPATH/src` directory.
+
+A usage example from go-coredns project is
+```dockerfile
+RUN git clone --depth 1  https://github.com/coredns/coredns $GOPATH/src/github.com/coredns/coredns
+```
+
 ### build.sh
 
 In order to build a Go fuzz target, you need to call `go-fuzz`
diff --git a/projects/golang-protobuf/Dockerfile b/projects/golang-protobuf/Dockerfile
index 85803b741..1347a7691 100644
--- a/projects/golang-protobuf/Dockerfile
+++ b/projects/golang-protobuf/Dockerfile
@@ -20,6 +20,6 @@ ENV GO111MODULE="on"
 ENV GOFUZZ111MODULE="on"
 
 RUN go get google.golang.org/protobuf/proto
-RUN git clone https://go.googlesource.com/protobuf $SRC/protobuf
+RUN git clone https://go.googlesource.com/protobuf $GOPATH/src/google.golang.org/protobuf
 COPY build.sh $SRC/
-WORKDIR $SRC/protobuf
+WORKDIR $GOPATH/src/google.golang.org/protobuf