Migrate builds to drone

.drone.yml

@@ -0,0 +1,12 @@
+kind: pipeline
+name: default
+
+steps:
+- name: docker  
+  image: plugins/docker
+  settings:
+    username: functionalhacker
+    password:
+      from_secret: docker_hub_password
+    repo: functionalhacker/gitea-asciidoc
+    tags: latest

Makefile

@@ -1,13 +0,0 @@
-.PHONY: pull image push
-
-REPO=docker.io
-IMAGE=functionalhacker/gitea-asciidoc
-
-pull:
-	@docker pull gitea/gitea:1
-
-image: pull
-	@docker build . -t ${REPO}/${IMAGE}
-
-push: image
-	@docker push ${REPO}/${IMAGE}