lsdlab / djshop_toturial

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djshop

电商系统后端 API

• Python 3.8.2
• PostgreSQL 12.1
• Redis 5.0.7
• rabbitmq 3.8.2
• django 3.0
• django-rest-framework 3.10.3
• celery 4.3.0

PostgreSQL

创建数据库/用户

CREATE USER djshop_development WITH PASSWORD 'djshop_development';
GRANT ALL PRIVILEGES ON DATABASE djshop_development to djshop_development;
ALTER DATABASE djshop_development OWNER TO djshop_development;

celery with rabbitmq as broker

rabbitmq 配置

sudo rabbitmqctl add_user djshop Ae2V6v7FzrR9UWyANQJR
sudo rabbitmqctl set_user_tags djshop administrator
sudo rabbitmqctl set_permissions -p / djshop ".*" ".*" ".*"

celery flower 监控

flower -A apps.celeryconfig --basic_auth=Ae2V6v7FzrR9UWyANQJR:Ae2V6v7FzrR9UWyANQJR

cloc 统计代码行数

cloc --exclude-lang=JavaScript,CSS .

pytest 单元测试

python manage.py test -v 2

django_extension 生成 model er 图

python manage.py graph_models -a -g -X TimestampedModel -o er.png

生产环境

• debian or ubuntu, 1c2g machine is the minimum setup
• PostgreSQL 12.2
• Redis 5.0.8
• rabbitmq 3.8.3
• Python 3.8.2
• nginx
• gunicorn
• redis for celery result backend
• rabbitmq for celery broker
• supervisor for manage gunicorn and celery process
• pip install -r requirements.txt -i https://mirrors.aliyun.com/pypi/simple/

生产环境配置在 conf/production 下，supervisor 以及 nginx 配置文件，修改复制到生产环境对应位置即可。 nginx 接受请求，gunicorn 转发，django 处理，supervisor 管理一个 gunicorn 以及两个 celery 进程，gunicorn worker 数量为 CPU 乘 2 加 1，celery worker 数量开到 4 个