使用示例：https ://cloud.google.com/endpoints/docs/quickstart-app-engine
跑步：
VSKUMAR-mac:getting-started vskumar$ mvn appengine:deploy
gives:
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.246 s
[INFO] Finished at: 2017-03-27T00:19:55-07:00
[INFO] Final Memory: 21M/313M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal com.google.cloud.tools:appengine-maven-plugin:1.0.0:deploy (default-cli) on project endpoints: Execution default-cli of goal com.google.cloud.tools:appengine-maven-plugin:1.0.0:deploy failed: Found 'Dockerfile' in the App Engine directory. Please move it to the Docker directory. -> [Help 1]
[ERROR]
我试过了，但后来错误变为：
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.395 s
[INFO] Finished at: 2017-03-27T00:22:19-07:00
[INFO] Final Memory: 21M/313M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal com.google.cloud.tools:appengine-maven-plugin:1.0.0:deploy (default-cli) on project endpoints: Execution default-cli of goal com.google.cloud.tools:appengine-maven-plugin:1.0.0:deploy failed: Found an unexpected 'Docker' file in the App Engine directory. -> [Help 1]