Add CNB_TARGET environment variables (heroku#251)

* Add CNB_TARGET environment variables * Use buildx provided os/arch for CNB_TARGET
robuust · Mar 1, 2024 · ef0452b · ef0452b
1 parent d1ab0cb
commit ef0452b
Show file tree

Hide file tree

Showing 3 changed files with 8 additions and 2 deletions.
diff --git a/heroku-20-cnb-build/Dockerfile b/heroku-20-cnb-build/Dockerfile
@@ -9,8 +9,10 @@ RUN mkdir /app && \
 
 ENV CNB_USER_ID=1000
 ENV CNB_GROUP_ID=1000
-
 ENV CNB_STACK_ID "heroku-20"
+ENV CNB_TARGET_OS="linux"
+ENV CNB_TARGET_ARCH="amd64"
+
 LABEL io.buildpacks.stack.id="heroku-20"
 
 USER heroku
diff --git a/heroku-22-cnb-build/Dockerfile b/heroku-22-cnb-build/Dockerfile
@@ -9,8 +9,10 @@ RUN mkdir /app && \
 
 ENV CNB_USER_ID=1000
 ENV CNB_GROUP_ID=1000
-
 ENV CNB_STACK_ID "heroku-22"
+ENV CNB_TARGET_OS="linux"
+ENV CNB_TARGET_ARCH="amd64"
+
 LABEL io.buildpacks.stack.id="heroku-22"
 
 USER heroku
diff --git a/heroku-24-build/Dockerfile b/heroku-24-build/Dockerfile
@@ -8,3 +8,5 @@ USER 1002
 ENV CNB_USER_ID=1002
 ENV CNB_GROUP_ID=1000
 ENV CNB_STACK_ID "heroku-24"
+ENV CNB_TARGET_OS=$TARGETOS
+ENV CNB_TARGET_ARCH=$TARGETARCH