From 7f4cdc99efb349e0d617e12f61599af20bb26b93 Mon Sep 17 00:00:00 2001
From: innovaker <66737976+innovaker@users.noreply.github.com>
Date: Sun, 9 May 2021 20:50:17 +0100
Subject: [PATCH] refactor: move OCI `image.source` LABEL out of Dockerfile

Defining the LABEL via an ARG at the top of the Dockerfile prevents other GitHub repositories (or local Docker users) from leveraging otherwise identical cache layers.

PR: #18
---
 .github/workflows/containers.yml | 3 ++-
 Dockerfile                       | 3 ---
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/containers.yml b/.github/workflows/containers.yml
index 39b89ec..078e92a 100644
--- a/.github/workflows/containers.yml
+++ b/.github/workflows/containers.yml
@@ -83,7 +83,8 @@ jobs:
             ZEPHYR_VERSION=${{ env.zephyr-version }}
             ARCHITECTURE=${{ matrix.architecture }}
             ZEPHYR_SDK_VERSION=${{ env.zephyr-sdk-version }}
-            REPOSITORY_URL=${{ github.server_url }}/${{ github.repository }}
+          labels: |
+            org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}
           tags: |
             docker.io/${{ secrets.DOCKER_HUB_NAMESPACE }}/${{ steps.vars.outputs.candidate-tag }}
           cache-from: type=registry,ref=docker.io/${{ secrets.DOCKER_HUB_NAMESPACE }}/${{ steps.vars.outputs.cache-from }},push=false
diff --git a/Dockerfile b/Dockerfile
index 062e0b3..8b072e5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,9 +4,6 @@ CMD ["/bin/bash"]
 
 ENV DEBIAN_FRONTEND=noninteractive
 
-ARG REPOSITORY_URL=https://github.com/innovaker/zmk-docker
-LABEL org.opencontainers.image.source ${REPOSITORY_URL}
-
 ARG ZEPHYR_VERSION
 ENV ZEPHYR_VERSION=${ZEPHYR_VERSION}
 RUN \