event-driven-docker-compose.yaml

version: '3'
x-airflow-common:
  &airflow-common
  image: apache/airflow:2.3.0
  environment:
    - AIRFLOW__CORE__EXECUTOR=LocalExecutor
    - AIRFLOW__CORE__SQL_ALCHEMY_CONN=postgresql+psycopg2://postgres:postgres@postgres:5432/airflow
    - AIRFLOW__CORE__FERNET_KEY=FB0o_zt4e3Ziq3LdUUO7F2Z95cvFFx16hU8jTeR1ASM=
    - AIRFLOW__CORE__LOAD_EXAMPLES=False
    - AIRFLOW__CORE__LOGGING_LEVEL=INFO
  volumes:
    - ./events/dags:/opt/airflow/dags
    - ./events/logs:/opt/airflow/logs
    - ./events/plugins:/opt/airflow/plugins
    - ./events/airflow.cfg:/opt/airlfow/airflow.cfg
  depends_on:
    - postgres

services:
  postgres:
    image: postgres:latest
    environment:
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=postgres
      - POSTGRES_DB=airflow
      - POSTGRES_PORT=5432
    ports:
      - "5432:5432"

  airflow-init:
    << : *airflow-common
    container_name: airflow_init
    entrypoint: /bin/bash
    command:
      - -c
      - airflow users list || ( airflow db init &&
        airflow users create
          --role Admin
          --username airflow
          --password airflow
          --email airflow@airflow.com
          --firstname airflow
          --lastname airflow )
    restart: on-failure

  airflow-webserver:
    << : *airflow-common
    command: airflow webserver
    ports:
      - 8080:8080
    container_name: airflow_webserver
    volumes:
      - ./events/airflow.cfg:/opt/airflow/airflow.cfg
    restart: always

  airflow-scheduler:
    << : *airflow-common
    command: airflow scheduler
    container_name: airflow_scheduler
    restart: always

  redis:
    container_name: redis
    image: redis:latest
    command: ["redis-server", "/etc/redis/redis.conf"]
    volumes:
      - ./redis.conf:/etc/redis/redis.conf
    ports:
      - "6379:6379"