需要修改docker-compose.yml，以使得iotdb完全启动后才开始测试

Author: maikebing

.gitignore

@@ -68,3 +68,4 @@ publish/
 .idea
 /.vs/Apache.IoTDB/FileContentIndex
 /.vs/ProjectEvaluation
+/.vs/Apache.IoTDB

docker-compose.yml

@@ -4,7 +4,8 @@ services:
   apache.iotdb.samples:
     image: ${DOCKER_REGISTRY-}apacheiotdbsamples
     depends_on:
-      - iotdb
+       iotdb:
+        condition: service_healthy
     links:
       - iotdb
     build:
@@ -17,6 +18,12 @@ services:
    image: apache/iotdb:0.13.0-node
    restart: always
    container_name: iotdb
+   healthcheck:
+      test: ["CMD", "ls", "/iotdb/data"]
+      interval: 3s
+      timeout: 5s
+      retries: 30
+      start_period: 30s
    ports:
          - 6667:6667
    networks: