Install and use ElasticSearch with limited resources using docker

.bashrc

# follow `https://www.elastic.co/guide/en/kibana/current/docker.html#run-kibana-on-docker-for-dev` instructions for 
# installing ES using docker

function run-docker-es() {
        # remove any already running es instance
        docker ps -af "name=elasticsearch" -q 2>/dev/null | xargs docker rm &>/dev/null
        # launch the ES with 1GB memory limit and 3 core
        docker run --name elasticsearch \
                   --net elastic \
                   -p 9200:9200 \
                   -p 9300:9300 \
                   -e "discovery.type=single-node" \
                   -e ES_JAVA_OPTS="-Xms1g -Xmx1g" \
                   --memory 1g \
                   --memory-swap -1 \
                   --cpus 3 docker.elastic.co/elasticsearch/elasticsearch:7.14.0
}