add note to building locally about skopeo

docs/development/building-locally.md

@@ -85,6 +85,30 @@ Each project folder contains a Makefile with the following build targets.
 		* `export BUILDKIT_HOST=docker-container://buildkitd`
 		* `make stop-buildkit-and-registry` to cleanup
 * See [docker-auth.md](./docker-auth.md) for helpful tips for configuring, securing, and using your AWS credentials with the targets in this project.
+	* The following is a basic docker config for ecr-helper:
+		* `~/.docker/config.json`
+			```
+				{
+					"auths": {},
+					"credsStore": "ecr-login"
+				}
+
+			```
+	* If building packages with helm charts, skopeo auth has to be setup. The following is a basic skopeo config for ecr-helper:
+		* ` ~/.config/containers/registries.conf`
+			```
+				credential-helpers = ["ecr-login"]
+			```
+		* `~/.config/containers/policy.json`
+			```
+				{
+					"default": [
+						{
+							"type": "insecureAcceptAnything"
+						}
+					]
+				}
+			```
 * By default, `IMAGE_REPO` will be set to your AWS account's private ECR registry based on your AWS_REGION. If you want to create the neccessary registeries
 for the current project:
 	* `make create-ecr-repos`