docker-compose.yml

version: '3.5'
services:
    airflow-metastore:
        image: postgres:12
        container_name: airflow-metastore
        environment:
            - POSTGRES_USER=${POSTGRES_USER}
            - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
            - POSTGRES_DB=${POSTGRES_DB}         

    airflow-webserver:
        image: ${REPO}:latest
        depends_on: 
           - airflow-metastore
        environment:
            - AIRFLOW__CORE__FERNET_KEY=46BKJoQYlPPOexq0OhDZnIlNepKFf87WFwLbfzqDDho=
            - AIRFLOW__CORE__EXECUTOR=${EXECUTOR} 
            - AIRFLOW__CORE__SQL_ALCHEMY_CONN=postgresql+psycopg2://${POSTGRES_USER}:${POSTGRES_PASSWORD}@${POSTGRES_HOST}:${POSTGRES_PORT}/${POSTGRES_DB}
        ports:
            - 8080:8080
        command: 'bash -c "airflow initdb && airflow webserver"'

    airflow-scheduler:
        image: ${REPO}:latest
        depends_on: 
            - airflow-webserver
        environment:
            - AIRFLOW__CORE__FERNET_KEY=46BKJoQYlPPOexq0OhDZnIlNepKFf87WFwLbfzqDDho=
            - AIRFLOW__CORE__EXECUTOR=${EXECUTOR}
            - AIRFLOW__CORE__SQL_ALCHEMY_CONN=postgresql+psycopg2://${POSTGRES_USER}:${POSTGRES_PASSWORD}@${POSTGRES_HOST}:${POSTGRES_PORT}/${POSTGRES_DB}
        command: 'bash -c "airflow initdb && airflow scheduler"'