chore: readme cleanup & more info on e2e

Signed-off-by: Bruno Bressi <[email protected]>

Makefile

@@ -6,12 +6,6 @@ test-e2e:
 	@echo "Running e2e tests..."
 	@go test -v -race -count 1 ./test/
 
-test-cleanup:
-	@echo "Cleaning up..."
-	@helm uninstall cosignwebhook -n cosignwebhook
-	@k3d registry delete k3d-registry.localhost
-	@k3d cluster delete cosign-tests
-
 .PHONY: test-unit
 test-unit:
 	@echo "Running unit tests..."

README.md

@@ -132,7 +132,7 @@ type: Opaque
 The name of the secret must be `cosignwebhook` and the key `COSIGNPUBKEY`. The value of `COSIGNPUBKEY` must match the
 public key used to sign the image you're deploying.
 
-##   
+##     
 
 ## Test
 
@@ -163,7 +163,9 @@ To run the E2E tests, the following steps are required (in order):
 * the image is pushed to a local registry & deployed to the test cluster (`make e2e-deploy`)
 
 To do all of the above, simply run `make e2e-prep`. Each step should also be able to be executed individually. To clean
-up the E2E setup, run `make e2e-cleanup`. This will delete everything created by the E2E preparation.
+up the E2E setup, run `make e2e-cleanup`.
+This will delete everything created by the E2E preparation. If you've already created the cluster and the keys, and
+you're actively testing new code, you may run `make e2e-images e2e-deploy test-e2e` to test your changes.
 
 ## Local build
 
@@ -173,8 +175,8 @@ CGO_ENABLED=0 GOOS=linux go build -a -ldflags '-extldflags "-static"' -o cosignw
 
 ## Credits
 
-- Bruno Bressi <[email protected]>
-- Frank Kloeker <[email protected]>
+* Bruno Bressi <[email protected]>
+* Frank Kloeker <[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.