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The core decision flow and every report stay free. Paid features may come later — never the essentials.
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Architecture decisions you can actually explain.
Architect Buddy turns a messy system question into one clear recommendation — with the assumptions in the open and the tradeoffs stated honestly. It's still being built. Join the launch list to get in first.
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Follow the occasional build note as it comes together. No spam.
How it will work
A short path from a fuzzy question to a decision you can defend.
Four steps, a few minutes. You bring the problem in plain language; Architect Buddy asks only what changes the answer, weighs the realistic paths, and hands back a report you can act on — and challenge.
01
Describe the decision
Start in plain language — a product idea, a nagging system concern, or the exact choice you're stuck on. No template, no diagram, no jargon required.
You type
"Solo SaaS side project — should I start with microservices or a monolith?"
02
Clarify what matters
Architect Buddy asks a short, sharp set of follow-ups — only the things that actually change the answer. No fifty-field questionnaire, no busywork.
A few quick follow-ups
Team size?
Users at launch?
Ship by when?
03
Compare viable options
It lays the realistic paths side by side — where each fits, where each gets expensive, and why one wins for your context. Never a shrug of "it depends."
Weighed for you
Modular monolithStrong
MicroservicesWeak
ServerlessFair
04
Get a report you can defend
You leave with the full report: recommendation, assumptions, tradeoffs, uncertainties, and references. Challenge any assumption and regenerate — then export it as Markdown.
architecture-report.md
See the full sample ↓
The report
A preview of what you'll walk away with.
Every question ends in a report that shows its work — the recommendation, the options it weighed, what it assumes, where it's uncertain, and the references behind it. Here's a full sample.
architecture-report.md
Your question
"I'm building a SaaS side project solo and want to move fast. Should I start with microservices or a monolith?"
Recommendation
Start with a modular monolith on managed Postgres
Confidence
High
As a solo developer optimizing for shipping speed, a well-structured monolith keeps your whole system in one deployable, debuggable place. Enforce clear module boundaries now, and you can extract services later — once a real scaling boundary appears, not a hypothetical one.
Options compared
Modular monolithPick
- Fit
- Strong
- Cost to run
- Low
Best for now — fast, cheap, easy to reason about.
- Fit
- Weak
- Cost to run
- High
Premature at your scale — ops overhead you can't spare solo.
- Fit
- Fair
- Cost to run
- Medium
Viable, but watch cold starts and local-dev friction.
Assumptions
- Team of 1 — no dedicated ops or platform engineer
- Under ~10k daily active users at launch
- Shipping speed matters more than peak scale
- Comfortable with one primary language & datastore
Tradeoffs
- Fastest path to a shippable product
- One place to test, debug, and deploy
- No independent per-module scaling yet
- Discipline needed to keep boundaries clean
Where this is uncertain
- If you expect a viral spike at launch, revisit — a single instance may need horizontal scaling sooner than assumed.
- If part of the system is genuinely CPU-heavy (video, ML), that piece may warrant its own service from day one.
Curated references
[1]Fundamentals of Software Architecture — Richards & Ford
[2]MonolithFirst — Martin Fowler
[3]The Twelve-Factor App — 12factor.net
[4]Managed Postgres: scaling patterns — internal note
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