From 6e5151f7ecc23a8863176e7532a9e0d566818cce Mon Sep 17 00:00:00 2001
From: Navid Shaikh <nshaikh@redhat.com>
Date: Thu, 1 Mar 2018 14:02:42 +0530
Subject: [PATCH] Adds $GOPATH/bin to PATH and reduces an extra layer from
 image

  Merges `yum -y update` layer with `yum install golang` layer.
  Creates $GOPATH/src and $GOPATH/bin directories.
  Appends $GOPATH/bin to $PATH env variable.
  Uses $GOPATH as workdir instead of hard cording `/go`
---
 golang/centos7/Dockerfile | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/golang/centos7/Dockerfile b/golang/centos7/Dockerfile
index 974c0692..2b265ed6 100644
--- a/golang/centos7/Dockerfile
+++ b/golang/centos7/Dockerfile
@@ -1,10 +1,11 @@
 FROM centos:7
 
-RUN yum -y update && yum clean all
+ENV GOPATH /go
 
-RUN mkdir -p /go && chmod -R 777 /go && \
+RUN yum -y update && \
+    mkdir -p "$GOPATH/src" "$GOPATH/bin" && chmod -R 777 "$GOPATH" && \
     yum -y install git golang && yum clean all
 
-ENV GOPATH /go
+ENV PATH $PATH:$GOPATH/bin
 
-WORKDIR /go
+WORKDIR $GOPATH