version: "3.8"

services:
  cache:
    image: redis:7.2-alpine
    restart: always
    command: redis-server --save 20 1 --loglevel warning --requirepass redis
    networks:
      - postgres_app_backend
    volumes:
      - cache:/data
networks:
  postgres_app_backend:
    name: postgres_app_backend
    external: true
volumes:
  cache:
    driver: local