如何使用Celery和Docker处理Django中的定期任务

    │   │   └── __init__.py
    │   ├── models.py
    │   ├── tests.py
    │   ├── urls.py
    │   └── views.py
    ├── requirements.txt
    └── templates
        └── orders
            └── order_list.html

Celery和Redis

现在，我们需要为Celery，Celery Beat和Redis添加容器。

首先，将依赖项添加到requirements.txt文件中：

Django==3.0.5
celery==4.4.1
redis==3.4.1

docker-compose.yml

文件内容：

redis:
 image: redis:alpine
celery:
 build: ./project
 command: celery -A core worker -l info
 volumes:
 - ./project/:/usr/src/app/
 environment:
 - DEBUG=1
 - SECRET_KEY=dbaa1_i7%*3r9-=z-+_mz4r-!qeed@(-a_r(g@k8jo8y3r27%m
 - DJANGO_ALLOWED_HOSTS=localhost 127.0.0.1 [::1] depends_on:
 - redis
celery-beat:
 build: ./project
 command: celery -A core beat -l info
 volumes:
 - ./project/:/usr/src/app/
 environment:
 - DEBUG=1
 - SECRET_KEY=dbaa1_i7%*3r9-=z-+_mz4r-!qeed@(-a_r(g@k8jo8y3r27%m
 - DJANGO_ALLOWED_HOSTS=localhost 127.0.0.1 [::1] depends_on:
 - redis

我们还需要更新Web服务的depends_on部分：

web:
 build: ./project
 command: python manage.py runserver 0.0.0.0:8000
 volumes:
 - ./project/:/usr/src/app/
 ports:
 - 1337:8000
 environment:
 - DEBUG=1
 - SECRET_KEY=dbaa1_i7%*3r9-=z-+_mz4r-!qeed@(-a_r(g@k8jo8y3r27%m
 - DJANGO_ALLOWED_HOSTS=localhost 127.0.0.1 [::1] depends_on:
 - redis # NEW

完整的docker-compose文件如下：

version: '3.7'
services:
 web:
 build: ./project
 command: python manage.py runserver 0.0.0.0:8000
 volumes:
 - ./project/:/usr/src/app/
 ports:
 - 1337:8000
 environment:
 - DEBUG=1
 - SECRET_KEY=dbaa1_i7%*3r9-=z-+_mz4r-!qeed@(-a_r(g@k8jo8y3r27%m
 - DJANGO_ALLOWED_HOSTS=localhost 127.0.0.1 [::1] depends_on:
 - redis
 redis:
 image: redis:alpine
 celery:
 build: ./project
 command: celery -A core worker -l info
 volumes:
 - ./project/:/usr/src/app/
 environment:
 - DEBUG=1
 - SECRET_KEY=dbaa1_i7%*3r9-=z-+_mz4r-!qeed@(-a_r(g@k8jo8y3r27%m
 - DJANGO_ALLOWED_HOSTS=localhost 127.0.0.1 [::1] depends_on:
 - redis
 celery-beat:
 build: ./project
 command: celery -A core beat -l info
 volumes:								 
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