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Backend

Skill xiaobei930/cc-best/skills/backend

๐ŸŽญ cc-best: Turn Claude Code into a full dev team โ€” PMโ†’Leadโ†’Devโ†’QA autonomous workflow. 44 commands ยท 19 skills ยท 8 agents ยท 43 rules ยท 30 hooks ยท auto-learning pipeline. | ไธ€ไธชๆ’ไปถ๏ผŒๅฎŒๆ•ดๅผ€ๅ‘ๅ›ข้˜Ÿใ€‚

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npx -y skills add xiaobei930/cc-best --skill backend

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Backend development patterns for services, error handling, logging, caching. Use when building backend services, APIs, or microservices.

SKILL.md

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ๅŽ็ซฏๅผ€ๅ‘ๆจกๅผ

ๆœฌๆŠ€่ƒฝๆไพ›ๅŽ็ซฏๆœๅŠกๅผ€ๅ‘็š„ๆœ€ไฝณๅฎž่ทตๅ’Œๆจกๅผ๏ผŒๆ”ฏๆŒๅคš่ฏญ่จ€ๆŒ‰้œ€ๅŠ ่ฝฝใ€‚

่งฆๅ‘ๆกไปถ

  • ๆž„ๅปบๅŽ็ซฏๆœๅŠก
  • ่ฎพ่ฎกๆœๅŠกๆžถๆž„
  • ๅฎž็ŽฐไธšๅŠก้€ป่พ‘ๅฑ‚
  • ้…็ฝฎไธญ้—ดไปถ
  • ๅค„็†้”™่ฏฏๅ’Œๆ—ฅๅฟ—
  • ๆ€ง่ƒฝไผ˜ๅŒ–๏ผˆๆ•ฐๆฎๅบ“ใ€็ผ“ๅญ˜ใ€ๅนถๅ‘๏ผ‰

่ฏญ่จ€ไธ“ๅฑžๆจกๅผ

ๆ นๆฎ้กน็›ฎๆŠ€ๆœฏๆ ˆ๏ผŒๅŠ ่ฝฝๅฏนๅบ”็š„่ฏญ่จ€ไธ“ๅฑžๆ–‡ไปถ๏ผš

ๆŠ€ๆœฏๆ ˆๅŠ ่ฝฝๆ–‡ไปถๆก†ๆžถ
Pythonpython.mdFastAPI, Django, Flask
TypeScript/Node.jstypescript.mdExpress, NestJS, Fastify
Javajava.mdSpring Boot, Quarkus
Gogo.mdGin, Echo, Fiber
C#csharp.mdASP.NET Core
Rustrust.mdAxum, Actix-web, Rocket

ๅŠ ่ฝฝๆ–นๅผ: ๆฃ€ๆต‹้กน็›ฎไธญ็š„ pyproject.toml/package.json/pom.xml/go.mod/Cargo.toml ็ญ‰ๆ–‡ไปถ็กฎๅฎšๆŠ€ๆœฏๆ ˆใ€‚


้€š็”จๆžถๆž„ๆจกๅผ

ๅˆ†ๅฑ‚ๆžถๆž„

โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
โ”‚           Controller ๅฑ‚              โ”‚  ๅค„็† HTTP ่ฏทๆฑ‚/ๅ“ๅบ”
โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค
โ”‚            Service ๅฑ‚                โ”‚  ไธšๅŠก้€ป่พ‘
โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค
โ”‚          Repository ๅฑ‚               โ”‚  ๆ•ฐๆฎ่ฎฟ้—ฎ
โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค
โ”‚             Model ๅฑ‚                 โ”‚  ๆ•ฐๆฎๆจกๅž‹
โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜

้€š็”จ็›ฎๅฝ•็ป“ๆž„

src/
โ”œโ”€โ”€ controllers/          # ๆŽงๅˆถๅ™จ๏ผˆๆˆ– routes/handlers๏ผ‰
โ”œโ”€โ”€ services/             # ไธšๅŠก้€ป่พ‘
โ”œโ”€โ”€ repositories/         # ๆ•ฐๆฎ่ฎฟ้—ฎ๏ผˆๆˆ– dal/๏ผ‰
โ”œโ”€โ”€ models/               # ๆ•ฐๆฎๆจกๅž‹๏ผˆๆˆ– entities/๏ผ‰
โ”œโ”€โ”€ middlewares/          # ไธญ้—ดไปถ
โ”œโ”€โ”€ utils/                # ๅทฅๅ…ทๅ‡ฝๆ•ฐ
โ”œโ”€โ”€ config/               # ้…็ฝฎ
โ””โ”€โ”€ types/                # ็ฑปๅž‹ๅฎšไน‰๏ผˆๅฆ‚้€‚็”จ๏ผ‰

้€š็”จๆœ€ไฝณๅฎž่ทต

1. ้”™่ฏฏๅค„็†ๅŽŸๅˆ™

โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
โ”‚                    ้”™่ฏฏๅค„็†้‡‘ๅญ—ๅก”                     โ”‚
โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค
โ”‚  ไธšๅŠก้”™่ฏฏ (400-499)                                  โ”‚
โ”‚  โ”œโ”€ ValidationError (400)   ่พ“ๅ…ฅ้ชŒ่ฏๅคฑ่ดฅ             โ”‚
โ”‚  โ”œโ”€ UnauthorizedError (401) ๆœช่ฎค่ฏ                  โ”‚
โ”‚  โ”œโ”€ ForbiddenError (403)    ๆ— ๆƒ้™                  โ”‚
โ”‚  โ””โ”€ NotFoundError (404)     ่ต„ๆบไธๅญ˜ๅœจ              โ”‚
โ”œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ค
โ”‚  ็ณป็ปŸ้”™่ฏฏ (500-599)                                  โ”‚
โ”‚  โ”œโ”€ InternalError (500)     ๆœๅŠกๅ™จๅ†…้ƒจ้”™่ฏฏ           โ”‚
โ”‚  โ”œโ”€ ServiceUnavailable (503) ๆœๅŠกไธๅฏ็”จ             โ”‚
โ”‚  โ””โ”€ GatewayTimeout (504)    ็ฝ‘ๅ…ณ่ถ…ๆ—ถ                โ”‚
โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜

ๅŽŸๅˆ™:

  • ่‡ชๅฎšไน‰้”™่ฏฏ็ฑป็ปงๆ‰ฟๅŸบ็ก€้”™่ฏฏ
  • ็ปŸไธ€้”™่ฏฏๅ“ๅบ”ๆ ผๅผ
  • ๅŒบๅˆ†ๅฏๆ“ไฝœ้”™่ฏฏๅ’Œ็จ‹ๅบ้”™่ฏฏ
  • ่ฎฐๅฝ•่ถณๅคŸ็š„ไธŠไธ‹ๆ–‡็”จไบŽ่ฐƒ่ฏ•

2. ๆ—ฅๅฟ—่ง„่Œƒ

ๆ—ฅๅฟ—็บงๅˆซ:

็บงๅˆซ็”จ้€”็คบไพ‹
ERROR้œ€่ฆ็ซ‹ๅณๅ…ณๆณจ็š„้”™่ฏฏๆ•ฐๆฎๅบ“่ฟžๆŽฅๅคฑ่ดฅ
WARNๆฝœๅœจ้—ฎ้ข˜้‡่ฏ•ๆˆๅŠŸใ€้™็บงๅค„็†
INFO้‡่ฆไธšๅŠกไบ‹ไปถ็”จๆˆท็™ปๅฝ•ใ€่ฎขๅ•ๅˆ›ๅปบ
DEBUGๅผ€ๅ‘่ฐƒ่ฏ•ไฟกๆฏๅ˜้‡ๅ€ผใ€ๆ‰ง่กŒ่ทฏๅพ„

็ป“ๆž„ๅŒ–ๆ—ฅๅฟ—ๅญ—ๆฎต:

{
  "timestamp": "2025-01-22T10:00:00Z",
  "level": "info",
  "message": "็”จๆˆท็™ปๅฝ•ๆˆๅŠŸ",
  "requestId": "uuid",
  "userId": "123",
  "duration": 45
}

3. ็ผ“ๅญ˜็ญ–็•ฅ

็ญ–็•ฅ้€‚็”จๅœบๆ™ฏTTL ๅปบ่ฎฎ
Cache-Aside่ฏปๅคšๅ†™ๅฐ‘5-60 ๅˆ†้’Ÿ
Write-Throughๅผบไธ€่‡ดๆ€ง่ฆๆฑ‚็Ÿญ TTL
Write-Behindๅ†™ๅคš่ฏปๅฐ‘ๆ นๆฎไธšๅŠก

็ผ“ๅญ˜้”ฎๅ‘ฝๅ:

{service}:{entity}:{id}
{service}:{entity}:list:{hash}

4. API ่ฎพ่ฎกๅŽŸๅˆ™

  • RESTful ่ต„ๆบๅฏผๅ‘
  • ็‰ˆๆœฌๆŽงๅˆถ /api/v1/...
  • ็ปŸไธ€ๅ“ๅบ”ๆ ผๅผ
  • ๅน‚็ญ‰ๆ€ง PUT/DELETE ๆ“ไฝœ
  • ๅˆ†้กต ๅคงๅˆ—่กจๆŸฅ่ฏข

5. ๅฎ‰ๅ…จๆฃ€ๆŸฅๆธ…ๅ•

  • ่พ“ๅ…ฅ้ชŒ่ฏ๏ผˆ็™ฝๅๅ•ไผ˜ๅ…ˆ๏ผ‰
  • SQL/NoSQL ๆณจๅ…ฅ้˜ฒๆŠค
  • ่ฎค่ฏไปค็‰Œๅฎ‰ๅ…จๅญ˜ๅ‚จ
  • ๆ•ๆ„Ÿๆ•ฐๆฎๅŠ ๅฏ†
  • ้€Ÿ็އ้™ๅˆถ
  • CORS ้…็ฝฎ

้€š็”จไปฃ็ ๆจกๅผ

็ปŸไธ€ๅ“ๅบ”ๆ ผๅผ

ๆˆๅŠŸๅ“ๅบ”:
{
  "success": true,
  "data": { ... },
  "meta": { "total": 100, "page": 1 }
}

้”™่ฏฏๅ“ๅบ”:
{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "้‚ฎ็ฎฑๆ ผๅผไธๆญฃ็กฎ"
  }
}

ๅฅๅบทๆฃ€ๆŸฅ็ซฏ็‚น

GET /health

{
  "status": "ok",
  "timestamp": "2025-01-22T10:00:00Z",
  "services": {
    "database": { "status": "ok" },
    "redis": { "status": "ok" }
  }
}

ไผ˜้›…ๅ…ณ้—ญ

1. ๆ”ถๅˆฐ SIGTERM ไฟกๅท
2. ๅœๆญขๆŽฅๅ—ๆ–ฐ่ฏทๆฑ‚
3. ็ญ‰ๅพ…่ฟ›่กŒไธญ็š„่ฏทๆฑ‚ๅฎŒๆˆ๏ผˆ่ถ…ๆ—ถๆ—ถ้—ดๅ†…๏ผ‰
4. ๅ…ณ้—ญๆ•ฐๆฎๅบ“่ฟžๆŽฅ
5. ๅ…ณ้—ญๅ…ถไป–่ต„ๆบ
6. ้€€ๅ‡บ่ฟ›็จ‹

่ฏญ่จ€ไธ“ๅฑžๅ†…ๅฎน

่ฏฆ็ป†็š„่ฏญ่จ€ไธ“ๅฑžๅฎž็Žฐ่ฏทๅ‚่€ƒ๏ผš

ไธ“้กนไผ˜ๅŒ–

  • ๆ€ง่ƒฝไผ˜ๅŒ–: performance.md - ๆ•ฐๆฎๅบ“ใ€็ผ“ๅญ˜ใ€ๅนถๅ‘ไผ˜ๅŒ–

Python ่ฟ›้˜ถ

  • ่ฎพ่ฎกๆจกๅผ: python-patterns.md - KISSใ€็ป„ๅˆใ€็ญ–็•ฅๆจกๅผ
  • ็ฑปๅž‹ๆ็คบ: python-types.md - Protocolใ€ๆณ›ๅž‹ใ€TypeGuard
  • ๅฏ่ง‚ๆต‹ๆ€ง: python-observability.md - ๆ—ฅๅฟ—ใ€ๆŒ‡ๆ ‡ใ€่ฟฝ่ธช

Maintenance

  • Sources: ๅ„่ฏญ่จ€ๅฎ˜ๆ–นๆ–‡ๆกฃ, 12-Factor App
  • Last updated: 2025-01-22
  • Pattern: ้€š็”จๆธ…ๅ• + ๆŒ‰้œ€ๅŠ ่ฝฝ่ฏญ่จ€ไธ“ๅฑž

่ฎฐไฝ: ๅŽ็ซฏไปฃ็ ็š„่ดจ้‡ๆ ‡ๅ‡†ๆ˜ฏๅฏ็ปดๆŠคๆ€งโ€”โ€”็ฑปๅž‹ๅฎ‰ๅ…จใ€้”™่ฏฏๅค„็†ใ€ๆ—ฅๅฟ—่ฟฝ่ธช็ผบไธ€ไธๅฏใ€‚

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