from flask import Flask<\/p>\nfrom flask_sqlalchemy import SQLAlchemy<\/p>\n
app = Flask(__name__)<\/p>\n
app.config['SQLALCHEMY_DATABASE_URI'] = 'postgresql:\/\/username:password@localhost\/dbname'<\/p>\n
db = SQLAlchemy(app)<\/p>\n
class User(db.Model):<\/p>\n
id = db.Column(db.Integer, primary_key=True)<\/p>\n
username = db.Column(db.String(80), unique=True, nullable=False)<\/p>\n
if __name__ == '__main__':<\/p>\n
app.run(debug=True)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u7ba1\u7406\u4f9d\u8d56\u73af\u5883<\/h3>\n<\/p>\n
1. \u4f7f\u7528\u865a\u62df\u73af\u5883<\/strong><\/p>\n<\/p>\n\u865a\u62df\u73af\u5883\u53ef\u4ee5\u9694\u79bb\u9879\u76ee\u7684\u4f9d\u8d56\uff0c\u907f\u514d\u4e0e\u7cfb\u7edf\u5168\u5c40\u73af\u5883\u53d1\u751f\u51b2\u7a81\u3002\u5e38\u7528\u7684\u865a\u62df\u73af\u5883\u5de5\u5177\u5305\u62ecvenv\u548cvirtualenv\u3002<\/p>\n<\/p>\n
\n- \u521b\u5efa\u865a\u62df\u73af\u5883<\/strong>\uff1a\u4f7f\u7528venv\u521b\u5efa\u865a\u62df\u73af\u5883\uff0c
python3 -m venv venv<\/code>\u3002<\/li>\n- \u6fc0\u6d3b\u865a\u62df\u73af\u5883<\/strong>\uff1a\u5728Linux\/Mac\u4e0a\uff0c\u4f7f\u7528
source venv\/bin\/activate<\/code>\uff1b\u5728Windows\u4e0a\uff0c\u4f7f\u7528venv\\Scripts\\activate<\/code>\u3002<\/li>\n- \u5b89\u88c5\u4f9d\u8d56<\/strong>\uff1a\u5728\u865a\u62df\u73af\u5883\u4e2d\uff0c\u4f7f\u7528
pip install -r requirements.txt<\/code>\u5b89\u88c5\u9879\u76ee\u4f9d\u8d56\u3002<\/li>\n<\/ul>\n2. \u7ba1\u7406\u4f9d\u8d56<\/strong><\/p>\n<\/p>\n\u4f7f\u7528pip\u5de5\u5177\u7ba1\u7406\u9879\u76ee\u4f9d\u8d56\uff0c\u5e76\u5c06\u4f9d\u8d56\u4fe1\u606f\u4fdd\u5b58\u5230requirements.txt\u6587\u4ef6\u4e2d\uff0c\u4ee5\u4fbf\u5728\u90e8\u7f72\u65f6\u91cd\u73b0\u73af\u5883\u3002<\/p>\n<\/p>\n
\n- \u751f\u6210requirements.txt<\/strong>\uff1a\u4f7f\u7528
pip freeze > requirements.txt<\/code>\u547d\u4ee4\u5c06\u5f53\u524d\u73af\u5883\u7684\u4f9d\u8d56\u4fe1\u606f\u4fdd\u5b58\u5230\u6587\u4ef6\u4e2d\u3002<\/li>\n- \u5b89\u88c5\u4f9d\u8d56<\/strong>\uff1a\u5728\u90e8\u7f72\u73af\u5883\u4e2d\uff0c\u4f7f\u7528
pip install -r requirements.txt<\/code>\u547d\u4ee4\u5b89\u88c5\u4f9d\u8d56\u3002<\/li>\n<\/ul>\n\u516d\u3001\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf<\/h3>\n<\/p>\n
1. \u4f7f\u7528\u73af\u5883\u53d8\u91cf<\/strong><\/p>\n<\/p>\n\u73af\u5883\u53d8\u91cf\u53ef\u4ee5\u5b58\u50a8\u654f\u611f\u4fe1\u606f\uff08\u5982\u6570\u636e\u5e93\u5bc6\u7801\u3001API\u5bc6\u94a5\uff09\u548c\u914d\u7f6e\u53c2\u6570\uff0c\u907f\u514d\u5c06\u8fd9\u4e9b\u4fe1\u606f\u786c\u7f16\u7801\u5728\u5e94\u7528\u4ee3\u7801\u4e2d\u3002\u5e38\u7528\u7684\u73af\u5883\u53d8\u91cf\u7ba1\u7406\u5de5\u5177\u5305\u62ecdotenv\u548cos\u6a21\u5757\u3002<\/p>\n<\/p>\n
\n- \u521b\u5efa.env\u6587\u4ef6<\/strong>\uff1a\u5728\u9879\u76ee\u6839\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a.env\u6587\u4ef6\uff0c\u5b58\u50a8\u73af\u5883\u53d8\u91cf\u3002<\/li>\n
- \u52a0\u8f7d\u73af\u5883\u53d8\u91cf<\/strong>\uff1a\u4f7f\u7528dotenv\u5e93\u52a0\u8f7d.env\u6587\u4ef6\u4e2d\u7684\u73af\u5883\u53d8\u91cf\u3002<\/li>\n<\/ul>\n
from dotenv import load_dotenv<\/p>\nimport os<\/p>\n
load_dotenv()<\/p>\n
DATABASE_URL = os.getenv('DATABASE_URL')<\/p>\n
SECRET_KEY = os.getenv('SECRET_KEY')<\/p>\n
<\/code><\/pre>\n<\/p>\n
2. \u914d\u7f6e\u73af\u5883\u53d8\u91cf<\/strong><\/p>\n<\/p>\n\u5728\u670d\u52a1\u5668\u4e0a\uff0c\u914d\u7f6e\u73af\u5883\u53d8\u91cf\u4ee5\u786e\u4fdd\u5e94\u7528\u80fd\u591f\u6b63\u786e\u8bfb\u53d6\u8fd9\u4e9b\u53d8\u91cf\u3002\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u670d\u52a1\u5668\u7684\u914d\u7f6e\u6587\u4ef6\u6216\u4f7f\u7528\u73af\u5883\u53d8\u91cf\u7ba1\u7406\u5de5\u5177\uff08\u5982direnv\uff09\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u4f7f\u7528\u7248\u672c\u63a7\u5236\u548c\u81ea\u52a8\u5316\u5de5\u5177<\/h3>\n<\/p>\n
1. \u7248\u672c\u63a7\u5236<\/strong><\/p>\n<\/p>\n\u4f7f\u7528\u7248\u672c\u63a7\u5236\u5de5\u5177\uff08\u5982Git\uff09\u7ba1\u7406\u9879\u76ee\u4ee3\u7801\uff0c\u8bb0\u5f55\u53d8\u66f4\u5386\u53f2\uff0c\u65b9\u4fbf\u56e2\u961f\u534f\u4f5c\u548c\u4ee3\u7801\u56de\u6eda\u3002<\/p>\n<\/p>\n
\n- \u521d\u59cb\u5316Git\u4ed3\u5e93<\/strong>\uff1a\u5728\u9879\u76ee\u6839\u76ee\u5f55\u4e0b\uff0c\u4f7f\u7528
git init<\/code>\u547d\u4ee4\u521d\u59cb\u5316Git\u4ed3\u5e93\u3002<\/li>\n- \u63d0\u4ea4\u4ee3\u7801<\/strong>\uff1a\u4f7f\u7528
git add .<\/code>\u548cgit commit -m "Initial commit"<\/code>\u547d\u4ee4\u63d0\u4ea4\u4ee3\u7801\u3002<\/li>\n<\/ul>\n2. \u81ea\u52a8\u5316\u5de5\u5177<\/strong><\/p>\n<\/p>\n\u4f7f\u7528\u81ea\u52a8\u5316\u5de5\u5177\uff08\u5982Fabric\u3001Ansible\u3001Docker\uff09\u7b80\u5316\u90e8\u7f72\u548c\u7ba1\u7406\u4efb\u52a1\uff0c\u63d0\u9ad8\u5f00\u53d1\u548c\u8fd0\u7ef4\u6548\u7387\u3002<\/p>\n<\/p>\n
\n- Fabric<\/strong>\uff1a\u4e00\u4e2aPython\u5e93\uff0c\u7528\u4e8e\u7b80\u5316SSH\u64cd\u4f5c\u548c\u8fdc\u7a0b\u4efb\u52a1\u6267\u884c\u3002\u53ef\u4ee5\u7f16\u5199Fabric\u811a\u672c\uff0c\u5b9e\u73b0\u81ea\u52a8\u5316\u90e8\u7f72\u548c\u7ba1\u7406\u3002<\/li>\n
- Ansible<\/strong>\uff1a\u4e00\u4e2a\u5f00\u6e90\u7684\u81ea\u52a8\u5316\u5de5\u5177\uff0c\u7528\u4e8e\u914d\u7f6e\u7ba1\u7406\u3001\u5e94\u7528\u90e8\u7f72\u548c\u4efb\u52a1\u81ea\u52a8\u5316\u3002\u901a\u8fc7\u7f16\u5199Ansible\u5267\u672c\uff0c\u5b9e\u73b0\u590d\u6742\u7684\u81ea\u52a8\u5316\u4efb\u52a1\u3002<\/li>\n
- Docker<\/strong>\uff1a\u4e00\u4e2a\u5f00\u6e90\u7684\u5bb9\u5668\u5316\u5e73\u53f0\uff0c\u7528\u4e8e\u521b\u5efa\u3001\u90e8\u7f72\u548c\u8fd0\u884c\u5e94\u7528\u3002\u901a\u8fc7\u7f16\u5199Dockerfile\u548cdocker-compose\u6587\u4ef6\uff0c\u5b9e\u73b0\u5e94\u7528\u7684\u5bb9\u5668\u5316\u548c\u7f16\u6392\u3002<\/li>\n<\/ul>\n
\u516b\u3001\u76d1\u63a7\u548c\u65e5\u5fd7\u7ba1\u7406<\/h3>\n<\/p>\n
1. \u76d1\u63a7<\/strong><\/p>\n<\/p>\n\u76d1\u63a7\u670d\u52a1\u5668\u548c\u5e94\u7528\u7684\u8fd0\u884c\u72b6\u6001\uff0c\u53ca\u65f6\u53d1\u73b0\u548c\u5904\u7406\u95ee\u9898\u3002\u5e38\u7528\u7684\u76d1\u63a7\u5de5\u5177\u5305\u62ecPrometheus\u3001Grafana\u548cNew Relic\u3002<\/p>\n<\/p>\n
\n- Prometheus<\/strong>\uff1a\u4e00\u4e2a\u5f00\u6e90\u7684\u7cfb\u7edf\u76d1\u63a7\u548c\u544a\u8b66\u5de5\u5177\uff0c\u9002\u7528\u4e8e\u76d1\u63a7\u670d\u52a1\u5668\u548c\u5e94\u7528\u7684\u8fd0\u884c\u72b6\u6001\u3002<\/li>\n
- Grafana<\/strong>\uff1a\u4e00\u4e2a\u5f00\u6e90\u7684\u6570\u636e\u53ef\u89c6\u5316\u5e73\u53f0\uff0c\u5e38\u4e0ePrometheus\u914d\u5408\u4f7f\u7528\uff0c\u63d0\u4f9b\u4e30\u5bcc\u7684\u56fe\u8868\u548c\u4eea\u8868\u76d8\u3002<\/li>\n
- New Relic<\/strong>\uff1a\u4e00\u4e2a\u5546\u4e1a\u7684\u5e94\u7528\u6027\u80fd\u76d1\u63a7\u5de5\u5177\uff0c\u63d0\u4f9b\u8be6\u7ec6\u7684\u6027\u80fd\u5206\u6790\u548c\u544a\u8b66\u529f\u80fd\u3002<\/li>\n<\/ul>\n
2. \u65e5\u5fd7\u7ba1\u7406<\/strong><\/p>\n<\/p>\n\u7ba1\u7406\u548c\u5206\u6790\u5e94\u7528\u65e5\u5fd7\uff0c\u5e2e\u52a9\u6392\u67e5\u95ee\u9898\u548c\u4f18\u5316\u6027\u80fd\u3002\u5e38\u7528\u7684\u65e5\u5fd7\u7ba1\u7406\u5de5\u5177\u5305\u62ecELK Stack\uff08Elasticsearch\u3001Logstash\u3001Kibana\uff09\u3001Graylog\u548cSplunk\u3002<\/p>\n<\/p>\n
\n- ELK Stack<\/strong>\uff1a\u4e00\u4e2a\u5f00\u6e90\u7684\u65e5\u5fd7\u7ba1\u7406\u5e73\u53f0\uff0c\u5305\u542bElasticsearch\uff08\u641c\u7d22\u5f15\u64ce\uff09\u3001Logstash\uff08\u65e5\u5fd7\u6536\u96c6\u548c\u5904\u7406\uff09\u548cKibana\uff08\u6570\u636e\u53ef\u89c6\u5316\uff09\u3002<\/li>\n
- Graylog<\/strong>\uff1a\u4e00\u4e2a\u5f00\u6e90\u7684\u65e5\u5fd7\u7ba1\u7406\u5de5\u5177\uff0c\u63d0\u4f9b\u96c6\u4e2d\u5f0f\u65e5\u5fd7\u6536\u96c6\u3001\u5b58\u50a8\u548c\u5206\u6790\u529f\u80fd\u3002<\/li>\n
- Splunk<\/strong>\uff1a\u4e00\u4e2a\u5546\u4e1a\u7684\u65e5\u5fd7\u7ba1\u7406\u548c\u5206\u6790\u5de5\u5177\uff0c\u63d0\u4f9b\u5f3a\u5927\u7684\u641c\u7d22\u548c\u5206\u6790\u529f\u80fd\u3002<\/li>\n<\/ul>\n
\u4e5d\u3001\u5b89\u5168\u6027\u548c\u4f18\u5316<\/h3>\n<\/p>\n
1. \u5b89\u5168\u6027<\/strong><\/p>\n<\/p>\n\u786e\u4fdd\u670d\u52a1\u5668\u548c\u5e94\u7528\u7684\u5b89\u5168\u6027\uff0c\u9632\u8303\u5e38\u89c1\u6f0f\u6d1e\u548c\u653b\u51fb\u3002\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n<\/p>\n
\n- \u4f7f\u7528HTTPS<\/strong>\uff1a\u901a\u8fc7\u914d\u7f6eSSL\/TLS\u8bc1\u4e66\uff0c\u4f7f\u7528HTTPS\u52a0\u5bc6\u901a\u4fe1\uff0c\u4fdd\u62a4\u6570\u636e\u4f20\u8f93\u5b89\u5168\u3002<\/li>\n
- \u8f93\u5165\u9a8c\u8bc1<\/strong>\uff1a\u5728\u5904\u7406\u7528\u6237\u8f93\u5165\u65f6\uff0c\u8fdb\u884c\u4e25\u683c\u7684\u8f93\u5165\u9a8c\u8bc1\uff0c\u9632\u6b62SQL\u6ce8\u5165\u3001XSS\u548cCSRF\u653b\u51fb\u3002<\/li>\n
- \u8bbf\u95ee\u63a7\u5236<\/strong>\uff1a\u5b9e\u73b0\u4e25\u683c\u7684\u8bbf\u95ee\u63a7\u5236\uff0c\u786e\u4fdd\u53ea\u6709\u6388\u6743\u7528\u6237\u624d\u80fd\u8bbf\u95ee\u654f\u611f\u6570\u636e\u548c\u529f\u80fd\u3002<\/li>\n<\/ul>\n
2. \u4f18\u5316<\/strong><\/p>\n<\/p>\n\u4f18\u5316\u670d\u52a1\u5668\u548c\u5e94\u7528\u7684\u6027\u80fd\uff0c\u63d0\u9ad8\u54cd\u5e94\u901f\u5ea6\u548c\u5904\u7406\u80fd\u529b\u3002\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n<\/p>\n
\n- \u7f13\u5b58<\/strong>\uff1a\u4f7f\u7528\u7f13\u5b58\uff08\u5982Redis\u3001Memcached\uff09\u5b58\u50a8\u5e38\u7528\u6570\u636e\uff0c\u51cf\u5c11\u6570\u636e\u5e93\u67e5\u8be2\u6b21\u6570\uff0c\u63d0\u9ad8\u54cd\u5e94\u901f\u5ea6\u3002<\/li>\n
- \u8d1f\u8f7d\u5747\u8861<\/strong>\uff1a\u4f7f\u7528\u8d1f\u8f7d\u5747\u8861\u5668\uff08\u5982Nginx\u3001HAProxy\uff09\u5206\u53d1\u8bf7\u6c42\uff0c\u5747\u8861\u670d\u52a1\u5668\u8d1f\u8f7d\uff0c\u63d0\u9ad8\u5e76\u53d1\u5904\u7406\u80fd\u529b\u3002<\/li>\n
- \u5f02\u6b65\u5904\u7406<\/strong>\uff1a\u4f7f\u7528\u5f02\u6b65\u5904\u7406\u6846\u67b6\uff08\u5982Celery\uff09\u5904\u7406\u8017\u65f6\u4efb\u52a1\uff0c\u907f\u514d\u963b\u585e\u4e3b\u7ebf\u7a0b\uff0c\u63d0\u9ad8\u5e94\u7528\u54cd\u5e94\u901f\u5ea6\u3002<\/li>\n<\/ul>\n
\u5341\u3001\u5907\u4efd\u548c\u6062\u590d<\/h3>\n<\/p>\n
1. \u6570\u636e\u5907\u4efd<\/strong><\/p>\n<\/p>\n\u5b9a\u671f\u5907\u4efd\u6570\u636e\u5e93\u548c\u91cd\u8981\u6570\u636e\uff0c\u786e\u4fdd\u5728\u53d1\u751f\u6545\u969c\u65f6\u80fd\u591f\u5feb\u901f\u6062\u590d\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5de5\u5177\u548c\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
\n- \u6570\u636e\u5e93\u5907\u4efd<\/strong>\uff1a\u4f7f\u7528\u6570\u636e\u5e93\u81ea\u5e26\u7684\u5907\u4efd\u5de5\u5177\uff08\u5982pg_dump\u3001mysqldump\uff09\u5b9a\u671f\u5907\u4efd\u6570\u636e\u5e93\u3002<\/li>\n
- \u6587\u4ef6\u5907\u4efd<\/strong>\uff1a\u4f7f\u7528rsync\u3001tar\u7b49\u5de5\u5177\u5907\u4efd\u670d\u52a1\u5668\u4e0a\u7684\u91cd\u8981\u6587\u4ef6\u548c\u914d\u7f6e\u3002<\/li>\n<\/ul>\n
2. \u6570\u636e\u6062\u590d<\/strong><\/p>\n<\/p>\n\u5728\u53d1\u751f\u6545\u969c\u65f6\uff0c\u53ca\u65f6\u6062\u590d\u6570\u636e\uff0c\u786e\u4fdd\u5e94\u7528\u6b63\u5e38\u8fd0\u884c\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u5de5\u5177\u548c\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
\n- \u6570\u636e\u5e93\u6062\u590d<\/strong>\uff1a\u4f7f\u7528\u6570\u636e\u5e93\u81ea\u5e26\u7684\u6062\u590d\u5de5\u5177\uff08\u5982pg_restore\u3001mysqlimport\uff09\u6062\u590d\u6570\u636e\u5e93\u3002<\/li>\n
- \u6587\u4ef6\u6062\u590d<\/strong>\uff1a\u4f7f\u7528\u5907\u4efd\u5de5\u5177\uff08\u5982rsync\u3001tar\uff09\u6062\u590d\u670d\u52a1\u5668\u4e0a\u7684\u91cd\u8981\u6587\u4ef6\u548c\u914d\u7f6e\u3002<\/li>\n<\/ul>\n
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