Make the release a pre-release

.drone.yml

@@ -5,8 +5,20 @@ name: default
 volumes:
 - name: img
   temp: {}
+- name: dockersock
+  host:
+    path: /var/run/docker.sock
 
 steps:
+- name: docker_test
+  image: alpine
+  volumes:
+  - name: dockersock
+    path: /var/run/docker.sock
+  commands:
+  - ls -a /var/run
+  - docker ps -a
+
 - name: greeting_en
   image: alpine
   volumes:
@@ -48,5 +60,6 @@ steps:
     title: VERSION
     checksume: md5,sha1,sha256
     draft: true
+    prerelease: true
   when:
     event: tag