version: "3.9"

services:
  elasticsearch:
    image: "docker.elastic.co/elasticsearch/elasticsearch:8.1.0"
    ports:
      - "9200:9200"
      - "9300:9300"
    environment:
      - network.host=0.0.0.0
      - discovery.type=single-node
      - bootstrap.memory_lock=true
      - xpack.security.enabled=false
      - ELASTIC_PASSWORD=elastic
      # Used to avoid huge memory consumption by Elasticsearch.
      # Otherwise, you need to extend the Docker limits
      # to avoid continuous container crashes due to lack of memory.
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ulimits:
      memlock:
        soft: -1
        hard: -1

  logstash:
    image: "logstash"
    command: --log.level=debug --enable-local-plugin-development
    ports:
      - "9600:9600"
    environment:
      - ELASTIC_PASSWORD=elastic
    volumes:
      - ./logstash.conf:/usr/share/logstash/pipeline/logstash.conf
    depends_on:
      - elasticsearch

  filebeat:
    image: "docker.elastic.co/beats/filebeat:8.1.0"
    environment:
      - ELASTIC_PASSWORD=elastic
    volumes:
      - ./filebeat.yml:/usr/share/filebeat/filebeat.yml
      - logs_dir:/logs
    depends_on:
      - elasticsearch

  kibana:
    image: "docker.elastic.co/kibana/kibana:8.1.0"
    ports:
      - "5601:5601"
    environment:
      - ELASTIC_PASSWORD=elastic
    depends_on:
    - elasticsearch

  grafana:
    image: "grafana/grafana:8.4.2"
    ports:
      - "3000:3000"
    volumes:
      - ./provisioning:/etc/grafana/provisioning

  loki:
    image: "grafana/loki:2.4.2"
    ports:
      - "3100:3100"

  promtail:
    image: "grafana/promtail:2.4.2"
    volumes:
      - logs_dir:/tmp/log
      - ./promtail.yml:/etc/promtail/config.yaml
    command: -config.file=/etc/promtail/config.yaml

  flog:
    image: "mingrammer/flog:0.4.3"
    command: -f json -t log -o /tmp/log/json.log -d 200ms -w -l
    volumes:
      - logs_dir:/tmp/log

volumes:
  logs_dir: