Cleanup Makefile

Makefile

@@ -2,20 +2,17 @@ PLATFORM=$(shell docker version --format '{{.Server.Os}}/{{.Server.Arch}}')
 DERIVATIVES=$(shell ls context)
 
 .DEFAULT_GOAL := all
-.PHONY: all build clean help _platforms test
+.PHONY: all clean help test $(DERIVATIVES) $(TEST)
 
 all: $(DERIVATIVES) ## Build Docker images for all derivatives
 
 help: ## Display a list of the public targets
 	@grep -E -h "^[a-z]+:.*##" $(MAKEFILE_LIST) | sed -e 's/\(.*\):.*## *\(.*\)/\1|\2/' | column -s '|' -t
 
-_derivates: ## Output platforms as JSON list
+_derivates: ## Output derivatives as JSON list
 	@echo $(DERIVATIVES) | jq --compact-output --raw-input 'split(" ") | map(select(. != ""))'
 
-_platforms: ## Output platforms as JSON list
-	@echo $(PLATFORMS) | jq --compact-output --raw-input 'split(",") | map(select(. != ""))'
-
-$(DERIVATIVES): Dockerfile context ## Build Docker image for derivative
+$(DERIVATIVES): ## Build Docker image for derivative
 	docker buildx build --target $@ --platform=$(PLATFORM) --file Dockerfile --tag ghcr.io/reload/https-proxy:$@ --load context
 
 test: base