localstack + opensearch + opensearch-dashboards docker compose

docker-compose.yml

---

# NOTE: This was, for some reason, way too hard for me to piece together quickly
services:
  opensearch:
    container_name: opensearch
    image: opensearchproject/opensearch:latest
    environment:
      - node.name=opensearch
      - cluster.name=opensearch-docker-cluster
      - discovery.type=single-node
      - bootstrap.memory_lock=true
      - "OPENSEARCH_JAVA_OPTS=-Xms512m -Xmx512m"
      - "DISABLE_INSTALL_DEMO_CONFIG=true" # Prevents execution of bundled demo script which installs demo certificates and security configurations to OpenSearch
      - "DISABLE_SECURITY_PLUGIN=true"
    ports:
      - "9200:9200"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - data01:/usr/share/opensearch/data

  localstack:
    image: localstack/localstack:latest
    container_name: localstack
    ports:
      - "4566:4566"  # LocalStack edge port
      - "127.0.0.1:4510-4559:4510-4559"  # external services port range
    depends_on:
      - opensearch
    environment:
      - SERVICES=opensearch,s3
      - DEBUG=1
      - OPENSEARCH_CUSTOM_BACKEND=http://opensearch:9200
    volumes:
      - "/var/run/docker.sock:/var/run/docker.sock"

  opensearch-dashboards:
    image: opensearchproject/opensearch-dashboards:latest
    container_name: opensearch-dashboards
    ports:
      - "5601:5601"  # OpenSearch Dashboards port
    expose:
      - "5601"
    environment:
      - 'OPENSEARCH_HOSTS=["http://opensearch:9200"]'  # Connect to OpenSearch in LocalStack
      - "DISABLE_SECURITY_DASHBOARDS_PLUGIN=true"
    depends_on:
      - localstack

volumes:
  data01:
    driver: local

# Run: docker compose up --build -d
# 
# Then, attached to the localstack container, run:
#
# awslocal opensearch create-domain --domain-name test-domain