Merge pull request #122 from jmccann/docker_1704

Use Docker 17.04

.drone.yml

@@ -16,7 +16,7 @@ pipeline:
   publish:
     image: plugins/docker
     repo: plugins/docker
-    tags: [ "latest", "1.13", "1" ]
+    tags: [ "latest", "17", "17.04" ]
     when:
       branch: master
       event: push

Dockerfile

@@ -1,4 +1,4 @@
-FROM docker:1.13-dind
+FROM docker:17.04-dind
 
 ADD drone-docker /bin/
 ENTRYPOINT ["/usr/local/bin/dockerd-entrypoint.sh", "/bin/drone-docker"]