Integration test against different Elasticsearch versions

integration_data/elasticsearch-cluster-v5-compose.yml

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+version: '3.4'
+
+services:
+  elasticsearch-v5:
+    build:
+      context: .
+      dockerfile: elasticsearch-v5.dockerfile
+    image: vulcanizer-elasticsearch:v5
+    container_name: vulcanizer-elasticsearch-v5
+    environment:
+      - cluster.name=vulcanizer-elasticsearch-v5
+      - bootstrap.memory_lock=true
+      - discovery.type=single-node
+      - "ES_JAVA_OPTS=-Xms512M -Xmx512M"
+      - xpack.security.enabled=false
+      - xpack.monitoring.enabled=false
+      - xpack.ml.enabled=false
+      - xpack.graph.enabled=false
+      - xpack.watcher.enabled=false
+    ulimits:
+      memlock:
+        soft: -1
+        hard: -1
+      nofile:
+        soft: 65536
+        hard: 65536
+    cap_add:
+      - IPC_LOCK
+    ports:
+      - 49200:9200
+    healthcheck:
+      start_period: 10s
+      interval: 60s
+      retries: 3
+      test: ["CMD", "curl", "--fail", "http://localhost:49200/_cat/health"]

integration_data/elasticsearch-v5.dockerfile

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+FROM docker.elastic.co/elasticsearch/elasticsearch:5.6.11
+
+USER root
+
+RUN mkdir /backups && chown elasticsearch:elasticsearch /backups
+
+USER elasticsearch

integration_data/integrationtest.txt

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+docker compose up
+
+write documents
+
+create repository
+
+make snapshot
+
+restore snapshot