update pipeline for master branch

.drone.yml

@@ -1,16 +1,25 @@
-kind: pipeline
-type: docker 
-name: master-pipeline
-
-steps: 
-  - name: package 
-    image: maven:3-jdk-8 
-    commands: 
-      - mvn tomcat7:run
-
-trigger:
-  branch:
-  - master
-  event:
-  - push
-  - pull_request
+
+kind: pipeline
+type: docker
+name: 1
+platform:
+  os: linux
+  arch: amd64
+steps:
+
+- name: maven
+  image: maven:3-jdk-10
+  commands:
+  - mvn install -DskipTests=true
+
+- name: run 
+  image: maven:3-jdk-8 
+  commands: 
+  - mvn tomcat7:run
+  
+trigger:
+  branch:
+  - master
+  event:
+  - push
+  - pull_request