docker-compose.yml

services:
  python:
    #build:
    #  context: ./.docker/python
    #  args:
    #    PY_VERSION: ${PY_VERSION}
    container_name: ${NAMESPACE}_python
    image: osioaliu/python:${PY_VERSION}
    tty: true
    init: true
    depends_on:
      - postgres
    extra_hosts:
      - "host.docker.internal:host-gateway"
    environment:
      - TZ=${TZ}
      - POSTGRES_DB=${POSTGRES_DB}
      - POSTGRES_HOST=${POSTGRES_HOST}
      - POSTGRES_PORT=${POSTGRES_PORT}
      - POSTGRES_TABLE=${POSTGRES_TABLE}
      - POSTGRES_USER=${POSTGRES_USER}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
    working_dir: /src
    command: >
      /bin/bash -c "
      pip install --upgrade pip &&
      pip install -r requirements.txt &&
      crond -f &&
      tail -f /dev/null"
    volumes:
      - ./src:/src

  postgres:
    container_name: ${NAMESPACE}_postgres
    image: postgres:${POSTGRES_VERSION}
    environment:
      - TZ=${TZ}
      - POSTGRES_DB=${POSTGRES_DB}
      - POSTGRES_HOST=${POSTGRES_HOST}
      - POSTGRES_PORT=${POSTGRES_PORT}
      - POSTGRES_TABLE=${POSTGRES_TABLE}
      - POSTGRES_USER=${POSTGRES_USER}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
      - PG'options'='max_connections=10,enable_parallel_queries=true'
    ports:
      - "${POSTGRES_PORT}:5432"
    volumes:
      - pg_data:/var/lib/postgresql/data
    healthcheck:
      test: pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}
      interval: 5s
      retries: 5
      start_period: 10s

volumes:
  pg_data: