What breaks startup stacks before 1,000 users?

Infrastructure limits like Supabase connection pools, missing staging, and env mismatches. Never code.

How to fix Supabase 'too many clients' error?

Enable pgBouncer, switch to port 6543. Handles 200+ on free tier.

Yes. Prevents prod regressions, costs 3 hours setup, saves days of fire-fighting.

Audited 12 startup stacks over 90 days. Not one code bug caused the first failure. Infrastructure primitives did—every damn time.

theAIcatchup Apr 10, 2026 3 min read

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#connection pooling #infrastructure failures #staging environments #startup infrastructure #startup stacks #supabase limits

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Originally reported by dev.to