Add Dockerfile

.drone.yml

@@ -15,3 +15,16 @@ steps:
       - go generate -v
       - go get -v -d
       - go build -v -o chldapasswd
+
+  - name: docker
+    image: plugins/docker
+    settings:
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      repo: nemunaire/chldapasswd
+      tags: latest
+    when:
+      branch:
+        - master