TESTS: rewrite tests using pytest and docker-compose

Experimentation to see if it is worth the effort

test2/Makefile

@@ -0,0 +1,17 @@
+.SILENT :
+.PHONY : test-debian test-alpine test
+
+
+update-dependencies:
+	requirements/build.sh
+	pip install -U -r requirements.txt
+
+test-debian: update-dependencies
+	docker build -t jwilder/nginx-proxy:test ..
+	pytest
+
+test-alpine: update-dependencies
+	docker build -f ../Dockerfile.alpine -t jwilder/nginx-proxy:test ..
+	pytest
+
+test: test-debian test-alpine