add ci

.drone.yml

@@ -0,0 +1,29 @@
+kind: pipeline
+type: docker
+name: default
+
+steps:
+- name: build
+  image: golang:alpine
+  environment:
+    GOPROXY: goproxy.cn
+    LDFLAGS: -w -s
+  volumes:
+  - name: deps
+    path: /go
+  commands:
+  - printenv
+  - go build -ldflags "$LDFLAGS -X 'main.build=$DRONE_BUILD_NUMBER'" -v 
+- name: docker  
+  image: plugins/docker
+  settings:
+    username:
+      from_secret: DOCKER_USERNAME
+    password:
+      from_secret: DOCKER_PASSWORD
+    registry: hub.dragonfly.fun
+    repo: hub.dragonfly.fun/demo/wiki
+
+volumes:
+- name: deps
+  path: /opt/src/go