Update Makefile

Add CST config

Signed-off-by: GitHub <noreply@github.com>

Makefile

@@ -1,2 +1,8 @@
+IMAGE_NAME = ghcr.io/ministryofjustice/observability-platform-grafana-api-key-rotator:latest
+
+test: build
+	container-structure-test test --config test/container-structure-test.yml --image $(IMAGE_NAME)
+
 build:
-	docker build --file Dockerfile --tag ghcr.io/ministryofjustice/observability-platform-grafana-api-key-rotator:latest .
+	docker build --file Dockerfile --tag $(IMAGE_NAME) .
+

test/container-structure-test.yml

@@ -0,0 +1,12 @@
+---
+schemaVersion: 2.0.0
+
+fileExistenceTests:
+  - name: "function.py"
+    path: "/var/task/function.py"
+
+  - name: "requirements.txt"
+    path: "/var/task/requirements.txt"
+
+  - name: "requirements-pip.txt"
+    path: "/var/task/requirements-pip.txt"