Adds GCR example

Signed-off-by: Andrew Waters <waters@me.com>
docker · Apr 16, 2020 · 13d7e7a · 13d7e7a
1 parent e5e36c4
commit 13d7e7a
Showing 1 changed file with 12 additions and 1 deletion.
diff --git a/README.md b/README.md
@@ -192,4 +192,15 @@ with:
   repository: myorg/myrepository
   tag_with_ref: true
   target: mytarget
-```
+```
+
+The following will build the root Dockerfile, tag the image as `myorg/myrepository:latest`, log in to Google Container Registry using GitHub secrets (where `DOCKER_PASSWORD` is a [JSON key](https://cloud.google.com/container-registry/docs/advanced-authentication#json-key)), and push the image to the CGR repository `myorg/myrepository`:
+
+```yaml
+uses: docker/build-push-action@v1
+with:
+  username: _json_key
+  password: ${{ secrets.DOCKER_PASSWORD }}
+  registry: gcr.io
+  repository: myorg/myrepository
+```