b659a6a6bd
- Create .claude/rules/ with all 17 standard rule files (01-security through 17-document-imports) - Add Operational Rules section with Rule Index to .claude/CLAUDE.md
32 lines
1.2 KiB
Markdown
32 lines
1.2 KiB
Markdown
---
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paths:
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- "src/**/*.{ts,js,py,go,rs,dart,kt,java}"
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- "lib/**/*.{ts,js,py,go,rs,dart,kt,java}"
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- "**/*.env*"
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- "**/config.*"
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- "**/docker-compose*"
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---
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# Resilience and Configuration
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External dependencies will fail. Configuration must be externalized.
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## Resilience
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- Every external call must have a **timeout**. No indefinite waits.
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- **Critical** deps: fail visibly, return error. **Non-critical**: log, serve cached/default, degrade gracefully.
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- **Circuit breakers** for repeatedly failing deps. Exponential backoff.
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- **Retries**: bounded, exponential backoff + jitter, idempotent operations only. Non-idempotent mutations require an idempotency key.
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- Make degradation **visible**: log it, expose in health check.
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- **Health checks**: verify actual dependency connectivity, not just "process running."
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## Configuration
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- Externalize all config. Document every knob: purpose, default, valid range, environments.
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- Sensible defaults — runnable with zero config for local dev.
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- Maintain `.env.example` with all variables and descriptions.
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- Validate required config at startup — fail fast. Log effective config (secrets masked).
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## Graceful Shutdown
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- Stop accepting new requests, drain in-flight work, release resources (12-Factor IX).
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