Merge pull request 'cjl-dev' (#6) from cjl-dev into master

Reviewed-on: http://120.26.116.243:3000/root/alert-backend/pulls/6

.drone.yml

@@ -9,7 +9,8 @@ trigger:
   event:
     include:
       - push
-      - manual
+      - custom
+      - merge_request
 
 steps:
   - name: maven build
@@ -21,7 +22,7 @@ steps:
       - mvn clean package -Dmaven.test.skip=true
 
   - name: build docker image
-    image: plugins/docker
+    image: plugins/docker:20
     settings:
       repo: alert-backend
       tags: latest
@@ -39,7 +40,7 @@ steps:
     commands:
       - docker stop alert-backend || true
       - docker rm alert-backend || true
-      - docker run -d --name alert-backend -p 48080:48080 alert-backend:latest
+      - docker run -d --restart always --name alert-backend -p 48080:48080 alert-backend:latest
 
 volumes:
   - name: dockersock