Merge pull request 'Build the image with drone' (#2) from add-docker-image-testing into master

.drone.yml

@@ -0,0 +1,13 @@
+---
+kind: pipeline
+
+name: default
+
+steps:
+  - name: Build Gitea docker image
+    image: docker:stable
+    volumes:
+      - name: docker_sock
+        path: /var/run/docker.sock
+    commands:
+      - docker build --no-cache -t autonomic/gitea:drone .

README.md

@@ -1,5 +1,7 @@
 # gitea
 
+[![Build Status](https://drone.autonomic.zone/api/badges/autonomic-cooperative/gitea/status.svg)](https://drone.autonomic.zone/autonomic-cooperative/gitea)
+
 > https://gitea.io/
 
 # Deploy