version:  "2.4"

services:
 zookeeper:
  image: zookeeper:3.6
  container_name: zookeeper
  ports:
   - "2181:2181"

 solr_1:
  image: solr:8.8.2-slim
  container_name: solr_1
  depends_on:
   - zookeeper
  ports:
   - 8983:8983
  environment:
   - ZK_HOST=zookeeper:2181
   - SOLR_HEAP=1g
  volumes:
    - ./security.json:/opt/solr/server/solr/security.json

 solr_2:
  image: solr:8.8.2-slim
  container_name: solr_2
  depends_on:
   - zookeeper
  ports:
   - 8984:8984
  environment:
   - ZK_HOST=zookeeper:2181
   - SOLR_HEAP=1g
   - SOLR_PORT=8984
  volumes:
    - ./security.json:/opt/solr/server/solr/security.json