version: '3'

services:
  opensearch:
    image: opensearchproject/opensearch:2.5.0
    container_name: opensearch
    environment:
      - cluster.name=opensearch-cluster # Name the cluster
      - node.name=opensearch # Name the node that will run in this container
      - discovery.seed_hosts=opensearch # Nodes to look for when discovering the cluster
      - cluster.initial_cluster_manager_nodes=opensearch # Nodes eligibile to serve as cluster manager
      - bootstrap.memory_lock=true # Disable JVM heap memory swapping
      - "OPENSEARCH_JAVA_OPTS=-Xms512m -Xmx512m" # Set min and max JVM heap sizes to at least 50% of system RAM
      - "DISABLE_INSTALL_DEMO_CONFIG=true" # Prevents execution of bundled demo script which installs demo certificates and security configurations to OpenSearch
      - "DISABLE_SECURITY_PLUGIN=true" # Disables security plugin
    ulimits:
      memlock:
        soft: -1 # Set memlock to unlimited (no soft or hard limit)
        hard: -1
      nofile:
        soft: 65536 # Maximum number of open files for the opensearch user - set to at least 65536
        hard: 65536
    volumes:
      - opensearch:/usr/share/opensearch/data # Creates volume called opensearch-data1 and mounts it to the container
    ports:
      - 9200:9200
      - 9600:9600
    expose:
      - "9200"
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:9200/_cluster/health?wait_for_status=yellow"]
      interval: 5s
      timeout: 25s
      retries: 4
    networks:
      - opensearch-net # All of the containers will join the same Docker bridge network
  opensearch-dashboards:
    image: opensearchproject/opensearch-dashboards:latest
    container_name: opensearch-dashboards
    ports:
      - 5601:5601 # Map host port 5601 to container port 5601
    expose:
      - "5601" # Expose port 5601 for web access to OpenSearch Dashboards
    environment:
      - 'OPENSEARCH_HOSTS=["http://opensearch:9200"]'
      - "DISABLE_SECURITY_DASHBOARDS_PLUGIN=true" # disables security dashboards plugin in OpenSearch Dashboards
    depends_on:
      - opensearch
    networks:
      - opensearch-net
  nginx:
    image: nginx:latest
    volumes:
      # - ./nginx-otel/opentelemetry_module.conf:/etc/nginx/conf.d/opentelemetry_module.conf
      - ./nginx-otel/default.conf:/etc/nginx/conf.d/default.conf
    ports:
      - 8080:80
    depends_on:
      - flask-app
      - fluentbit
    networks:
      - opensearch-net # All of the containers will join the same Docker bridge network
    links:
      - fluentbit
    logging:
      driver: "fluentd"
      options:
        fluentd-address: 127.0.0.1:24224
        tag: nginx.access
  fluentbit:
    container_name: fluentbit
    image: fluent/fluent-bit:latest
    volumes:
      - ./fluent-bit:/fluent-bit/etc
    ports:
      - "24224:24224"
      - "24224:24224/udp"
    depends_on:
      opensearch:
        condition: service_healthy
    networks:
      - opensearch-net
  redis:
    image: redis
    ports:
      - 6357:6357
    networks:
      - opensearch-net
  flask-app:
    build: flask-app
    ports:
      - 5000:5000
    depends_on:
      - redis
    volumes:
      - ./flask-app/app.py:/code/app.py
    networks:
      - opensearch-net

volumes:
  opensearch:

networks:
  opensearch-net: