It's very simple, assuming you use the following docker-compose.yml to deploy, then just execute docker-compose stop, end the container, then modify elasticsearch:7.10 to elasticsearch:7.17.6, and finally open the container again docker-compose up.
version: '3.6'
services:
elasticsearch:
image: docker.elastic.co/elasticsearch/elasticsearch:7.10
container_name: es-docker
environment:
- node.name=es-docker
- cluster.name=es-single-node
- discovery.type=single-node
- bootstrap.memory_lock=false
- "ES_JAVA_OPTS=-Xms512m -Xmx512m"
ulimits:
memlock:
soft: -1
hard: -1
volumes:
- esdata:/usr/share/elasticsearch/data
ports:
- 9200:9200
- 9300:9300
networks:
- elastic
volumes:
esdata:
driver: local
networks:
elastic:
driver: bridge