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Vibe Coding Architecture Cheat Sheet

A plain-English guide to backend choices for non-technical founders, managers, and vibe coders.

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Backend Architecture Cheat Sheet

1

What Is a Backend?

Think of it like a house: The frontend is the paint and furniture. The backend is the foundation, plumbing, and electrics.

Data Storage

Where user accounts, content, and settings live.

Logic

The rules that make things work (login, payments, etc.).

APIs

How your website talks to the backend behind the scenes.

2

Supabase vs Neon at a Glance

SupabaseNeon
What it isAll-in-one backend platformServerless database only
Auth built in?YesNo -- add Auth0 or Clerk
File storage?YesNo -- add S3 or Cloudflare R2
Real-time?YesNo
Branching?NoYes -- copy DB for testing
Best forQuick MVPs, solo buildersData-heavy apps, dev teams
Free tier?Yes -- generousYes -- usage-based after

Bottom Line: Supabase = batteries included. Neon = more control, more setup. For most vibe coding projects, start with Supabase.

3

When Do You Need AWS / Azure / GCP?

AWS

Widest range of services. Industry standard.

Azure

Best if you already use Microsoft tools.

GCP

Strongest for data analytics and AI/ML.

Rule of Thumb: You probably don't need these yet. Move to a cloud provider when you need AI/ML at scale, strict compliance (HIPAA/GDPR), or your traffic outgrows managed services.

4

Migration Path (If You Outgrow)

1
Assess needs
2
Migrate data
3
Update code
4
Test
5
Deploy
6
Monitor
5

Pitfalls to Avoid

Over-engineering

Don't pick complex tools when simple ones work.

Ignoring security

Secure auth and data protection from day one.

No backups

Always back up your data. Always.

Vendor lock-in

Stay portable -- avoid deep dependency on one platform.

6

Best Practices

Golden Rule: Start small, validate fast, scale when needed.

Start with Supabase/Neon

Validate your idea before investing in infrastructure.

Security First

Set up authentication and data protection from the start.

Learn Basic SQL

Even a little SQL knowledge helps you manage data effectively.

Monitor Costs

Review usage regularly and adjust plans before bills surprise you.

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