Ruby (rails) + Redis

memo.md

Initializers

# config/initializers/redis.rb
Redis.current = Redis.new(:url => ENV['REDIS_URL'])

docker-compose.yml

  web:
    build:
      context: .
    environment:
      REDIS_URL: redis://redis:6379
      .
      .
      .
    depends_on:
      - redis
  redis:
    image: redis:3.2.4
    ports:
      - "6379:6379"
      .
      .
      .

Usage

$ docker-compose run web rails console 

Redis.current.set "foo", "bar"
=> "OK"

Redis.current.get "foo"
=> "bar"

References URL

• http://d.hatena.ne.jp/hiroe_orz17/20111006/1317890657
• http://www.rubydoc.info/github/redis/redis-rb/Redis
• http://qiita.com/k-shogo/items/3c887cbf86b3cab85b72