Add Dockerfile, Makefile, specs, SSL certs

Makefile

@@ -0,0 +1,19 @@
+image = test-nginx
+loopback = 127.0.0.1
+
+image-build:
+	docker build -t $(image) .
+
+image-rm:
+	docker image rm $(image)
+
+test:
+	@ct=$(shell docker run --rm -d \
+	   -v $(PWD)/conf/conf.d:/etc/nginx/conf.d \
+	   -v $(PWD)/html:/var/www \
+	   -v $(PWD):/opt/app \
+	   --network no-internet \
+	   --add-host=domain.abc=$(loopback) \
+	   $(image)); \
+	docker exec -t $$ct busted; \
+	docker exec $$ct openresty -s stop