chore: docs & verbose tests to find failure

.github/workflows/end2end.yaml

@@ -60,4 +60,5 @@ jobs:
         make e2e-deploy
     - name: Run End2End Tests
       run: |
+        go mod download
         make test-e2e

Makefile

@@ -47,12 +47,12 @@ e2e-deploy:
 .PHONY: test-e2e
 test-e2e:
 	@echo "Running e2e tests..."
-	@go test -race -count 1 ./test/
+	@go test -v -race -count 1 ./test/
 
 .PHONY: test-unit
 test-unit:
 	@echo "Running unit tests..."
-	@go test -race -count 1 ./webhook/
+	@go test -v -race -count 1 ./webhook/
 
 test-cleanup:
 	@echo "Cleaning up..."

README.md

@@ -103,17 +103,29 @@ public key used to sign the image you're deploying.
 
 # Test
 
-Based on the signed image and the corresponding key, the demo app should appear or denied (check event log)
+To test the webhook, you may run the following command(s):
 
 ```bash
-kubectl create namespace cosignwebhook
-kubectl -n cosignwebhook apply -f manifests/demoapp.yaml
+# unit tests
+make test-unit
+
+# E2E tests
+make e2e-prep
+make test-e2e
 ```
 
+## E2E tests
+
+The E2E tests require a running kubernetes cluster. Currently, the namespace and webhook are deployed via helper make targets. To run the tests the following is required:
+
+- docker
+- cosign (v2)
+
 # TODO
 
 * [x] Support private images
 * [x] Support multiple container/keys
+* [ ] Support COSING_REPOSITORY
 
 # Local build
 
@@ -124,6 +136,7 @@ CGO_ENABLED=0 GOOS=linux go build -a -ldflags '-extldflags "-static"' -o cosignw
 ## Credits
 
 Frank Kloeker [email protected]
+Bruno Bressi, [email protected]
 
 Life is for sharing. If you have an issue with the code or want to improve it, feel free to open an issue or an pull
 request.