Template
33 lines
1004 B
Markdown
33 lines
1004 B
Markdown
---
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paths:
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- "src/app/api/**"
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- "src/lib/supabase*"
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- "supabase/**"
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---
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# Backend Development Rules
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## Database (Supabase)
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- ALWAYS enable Row Level Security on every table
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- Create RLS policies for SELECT, INSERT, UPDATE, DELETE
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- Add indexes on columns used in WHERE, ORDER BY, and JOIN clauses
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- Use foreign keys with ON DELETE CASCADE where appropriate
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- Never skip RLS - security first
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## API Routes
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- Validate all inputs using Zod schemas before processing
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- Always check authentication: verify user session exists
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- Return meaningful error messages with appropriate HTTP status codes
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- Use `.limit()` on all list queries
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## Query Patterns
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- Use Supabase joins instead of N+1 query loops
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- Use `unstable_cache` from Next.js for rarely-changing data
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- Always handle errors from Supabase responses
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## Security
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- Never hardcode secrets in source code
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- Use environment variables for all credentials
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- Validate and sanitize all user input
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- Use parameterized queries (Supabase handles this)
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