From ebf47f4443bedc122415709e320ee466905ed094 Mon Sep 17 00:00:00 2001
From: Alex Soares <alealvessoares28@gmail.com>
Date: Tue, 16 Jul 2024 15:07:17 -0300
Subject: [PATCH] docs: update Dockerfile to use Go modules and go install

---
 docs/private-registries.md | 27 ++++++++++++++-------------
 1 file changed, 14 insertions(+), 13 deletions(-)

diff --git a/docs/private-registries.md b/docs/private-registries.md
index 5367a8c..0cda620 100644
--- a/docs/private-registries.md
+++ b/docs/private-registries.md
@@ -125,20 +125,21 @@ in a volume that may be mounted onto your watchtower container.
 1.  Create the Dockerfile (contents below):
     ```Dockerfile
     FROM golang:1.20
-    
-    ENV GO111MODULE off
-    ENV CGO_ENABLED 0
-    ENV REPO github.com/awslabs/amazon-ecr-credential-helper/ecr-login/cli/docker-credential-ecr-login
-    
-    RUN go get -u $REPO
-    
-    RUN rm /go/bin/docker-credential-ecr-login
-    
-    RUN go build \
-     -o /go/bin/docker-credential-ecr-login \
-     /go/src/$REPO
-    
+
+    # Enable Go modules and disable CGO
+    ENV GO111MODULE=on
+    ENV CGO_ENABLED=0
+    # Define the repository to install from
+    ENV REPO=github.com/awslabs/amazon-ecr-credential-helper/ecr-login/cli/docker-credential-ecr-login@latest
+
+    # Install the necessary dependencies and build the binary
+    RUN go install $REPO
+
+    # Set the final working directory
     WORKDIR /go/bin/
+
+    # Set the default command
+    CMD ["docker-credential-ecr-login"]
     ```
 
 2.  Use the following commands to build the aws-ecr-dock-cred-helper and store it's output in a volume: