to run the application, use the following commands:
- docker network create spring-elastic
- docker build -t spring-rest --build-arg ELASTICSEARCH_URL=http://elasticsearch:9200 --net spring-elastic Dockerfile
- docker run
- docker run -p 9200:9200 -p 9300:9300 -e "discovery.type=single-node" docker.elastic.co/elasticsearch/elasticsearch:7.13.2