docker-compose.yaml

version: '3.7'
services:
  elasticsearch:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.4.0
    container_name: elasticsearch1
    environment:
      - node.name=elasticsearch1
      - cluster.name=docker-cluster
      - cluster.initial_master_nodes=elasticsearch1
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms1024M -Xmx1024M"
      - http.cors.enabled=true
      - http.cors.allow-origin=*
      - network.host=_eth0_
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:9200"]
      interval: 1m30s
      timeout: 10s
      retries: 3
      start_period: 40s
    ulimits:
      nproc: 65535
      memlock:
        soft: -1
        hard: -1
    cap_add:
      - ALL
    # privileged: true
    deploy:
      replicas: 1
      update_config:
        parallelism: 1
        delay: 10s
      resources:
        limits:
          cpus: '1'
          memory: 256M
        reservations:
          cpus: '1'
          memory: 256M
      restart_policy:
        condition: on-failure
        delay: 5s
        max_attempts: 3
        window: 10s
    volumes:
      - type: volume
        source: logs
        target: /var/log
      - type: volume
        source: esdata3
        target: /usr/share/elasticsearch/data
    networks:
      esnet:
        aliases:
          - elasticsearch
    ports:
      - 9200:9200
      - 9300:9300
  migrate:
    image: webapp-python
    depends_on:
     - elasticsearch
    networks:
      - esnet
    working_dir: /app/migrations
    command: [ "python3", "migration_runner.py" ]
  flask:
    image: webapp-python
    depends_on:
      - elasticsearch
    networks:
      - esnet
    build:
      context: .
      dockerfile: Dockerfile
    volumes:
      - .:/app
    environment:
      - FLASK_APP=/app/run.py
      - FLASK_DEBUG=True
      - LC_ALL=C.UTF-8
      - LANG=C.UTF-8
    ports:
      - 5000:5000
    command: [ "flask", "run", "--host=0.0.0.0" ]
volumes:
  esdata3:
  logs:

networks:
  esnet:
    driver: bridge