iris/_examples/sessions/database/redis/docker-compose.yml

# docker-compose up [--build]
version: '3'

services:
  redis-server:
    image: redis
  app1:
    build: .
    depends_on:
      - redis-server
    ports:
      - 8080:8080
    environment: 
      - PORT=8080
      - REDIS_ADDR=redis-server:6379
  app2:
    build: .
    depends_on:
      - redis-server
    ports:
      - 9090:9090
    environment: 
      - PORT=9090
      - REDIS_ADDR=redis-server:6379