在 Docker 中启动 sidekiq 时出错:"Please point sidekiq to a Rails 4/5 application"



Rails 5.2, Docker Compose, Sidekiq, Redis.

这是 docker 撰写文件:

version: '3.6'
services:
  redis:
    image: 'redis:4.0-alpine'
    command: redis-server
    ports:
      - '6379:6379'
    volumes:
      - 'redis:/data'
  sidekiq:
    depends_on:
      - 'redis'
    build: .
    command: bundle exec sidekiq -C config/sidekiq.yml
    volumes:
      - './:/app'
    env_file:
      - '.env'
  api:
    build: .
    volumes:
      - './:/app'
    working_dir: /app
    command: puma
    ports:
      - 3000:3000
    depends_on:
      - db
      - redis
    environment:
      DATABASE_URL: postgres://postgres@db
  db:
    image: postgres:10.3-alpine
volumes:
  redis:
  postgres:

似乎sidekiq找不到我的Rails应用程序。

如果我将 sidekiq 更改为这样开始:

    command: bundle exec sidekiq -C config/sidekiq.yml -r /app

然后我收到此错误:

Spring 无法找到您的 config/application.rb 文件。你 在/API 上检测到项目根目录,因此 Spring 查找 /api/config/application.rb,但它不存在。您可以配置 通过设置 Spring.application_root 来获取应用程序的根目录 config/spring.rb.

如果我将working_dir设置添加到 sidekiq:

sidekiq:
    depends_on:
      - 'redis'
    build: .
    command: bundle exec sidekiq -C config/sidekiq.yml
    volumes:
      - './:/app'
    env_file:
      - '.env'
    working_dir: 
      - '/app'

然后我收到此错误:

2019-05-27T20:27:59.770Z 1 TID-gr1e0d7n5 INFO: Booting Sidekiq 5.1.1 with redis options {:url=>"redis://redis:6379/0", :id=>"Sidekiq-server-PID-1"}
sidekiq_1  | could not connect to server: No such file or directory
sidekiq_1  |    Is the server running locally and accepting
sidekiq_1  |    connections on Unix domain socket "/tmp/.s.PGSQL.5432"?

那么如何让 sidekiq 在其容器中正确启动呢?

我已经看到了这些答案,它们相似但不是这个特定的错误:

问题1

问题2

问题3

问题4

似乎 sidekiq 找不到 Rails 应用程序,该应用程序是通过添加"work-dir"设置来修复的,然后它找不到 postgres,所以我不得不添加环境设置以指向 postgres。

最终的撰写文件是:

version: '3.6'
services:
  db:
    image: postgres:10.3-alpine
    ports:
      - '5432:5432'
  redis:
    image: 'redis:4.0-alpine'
    command: redis-server
    ports:
      - '6379:6379'
    volumes:
      - 'redis:/data'
  sidekiq:
    depends_on:
      - 'db'
      - 'redis'
    build: .
    command: bundle exec sidekiq -C config/sidekiq.yml
    volumes:
      - './:/app'
    env_file:
      - '.env'
    working_dir: /app
    environment:
      DATABASE_URL: postgres://postgres@db
  api:
    build: .
    volumes:
      - './:/app'
    working_dir: /app
    command: puma
    ports:
      - 3000:3000
    depends_on:
      - db
      - redis
    environment:
      DATABASE_URL: postgres://postgres@db
volumes:
  redis:
  postgres:

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