Elixir Phoenix for SaaS Founders
A guide for non-technical SaaS founders who want to understand why Elixir and Phoenix offer unfair advantages for building scalable, maintainable applications. Uses real business stories and case studies instead of technical jargon.
Table of Contents
The $3.2 Million Question
How 37signals spent $3.2 million on AWS in one year and why they decided to leave the cloud entirely—and what this means for your SaaS.
Who Uses Elixir (And What They Saved)
MixedCase studies from Discord, Bleacher Report, Supabase, and Pinterest—how they cut infrastructure costs and scaled with smaller teams.
Why Your Programming Language Is a Business Decision
MixedLessons from Ford vs. Toyota and Southwest Airlines—how manufacturing philosophy explains why some software stacks scale better than others.
The Serverless Trap
MixedReal AWS pricing that explains why per-request billing adds up, and when serverless makes sense—and when it bankrupts you.
The Language Cost Multiplier
MixedHow your programming language choice directly impacts infrastructure costs—and why some stacks require 10x more servers than others.
The One-Server SaaS
MixedWhat you can actually run on a single $5-40/month server—and why some founders never need more.
Reliability as a Feature
MixedWhy Elixir's approach to failure means your customers sleep through outages—and you do too.
The Team Size Multiplier
MixedHow Elixir enables smaller teams to punch above their weight—and why your hiring pool might be bigger than you think.
Reading Elixir Like a Business Document
MixedHow to understand what Elixir code does without learning to program—and why it matters for your business.
The Architecture of Reliability
MixedUnderstanding supervision trees, processes, and GenServers—explained through organizational design, not technical jargon.
One Language, Full Stack
MixedHow Phoenix LiveView lets one developer build entire features—and why your frontend framework might be unnecessary.
Organized Code That Scales
MixedHow Phoenix Contexts keep your codebase organized—and why this matters as your SaaS grows.
Deployment Without DevOps
MixedConcrete deployment options for Elixir applications—from $5 VPS to managed platforms, and when to choose each.
Hiring for Elixir
MixedWhere to find Elixir developers, how to train your existing team, and why the talent pool is deeper than you think.
When NOT to Use Elixir
MixedAn honest assessment of Elixir's limitations—and when to choose something else.