⚡ Learn Elixir, Phoenix & LiveView

Elixir + Phoenix + LiveView Roadmap

Your complete learning path from Elixir basics to building real-time web applications with Phoenix and LiveView. Track your progress, save notes, and access code examples.

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📚

Elixir Basics

Learn syntax, pattern matching, and functional programming concepts

Learning Steps:

Variables and basic data types (atoms, strings, integers, floats)

Lists, tuples, and maps data structures

Pattern matching and destructuring

Pipe operator and function chaining

Modules and functions (public vs private)

Anonymous functions and closures

Guards and conditional logic

Recursion and tail call optimization

📝 Personal Notes:

🏗️

OTP (Open Telecom Platform)

Master GenServers, Supervisors, and application design

Learning Steps:

Processes and message passing

GenServer basics and state management

Supervisor patterns and fault tolerance

Application structure and callbacks

GenStage and Flow for data processing

Task and async operations

Agent for simple state management

📝 Personal Notes:

🔥

Phoenix Framework

Build web applications with Phoenix

Learning Steps:

Phoenix project structure and generators

Router, controllers, and views

Phoenix templates and HEEx

Contexts for business logic

Plugs and middleware

Channels for WebSocket communication

Authentication and authorization

API development with Phoenix

📝 Personal Notes:

⚡

Phoenix LiveView

Create real-time interactive apps without JavaScript

Learning Steps:

LiveView lifecycle (mount, render, handle_event)

Assigns and socket state management

Event handling and form submissions

LiveComponents for reusable UI

Live navigation and URL updates

Uploads and file handling

Streams for efficient list updates

JavaScript interop with Hooks

Testing LiveViews

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💾

Ecto Database

Database wrapper and query generation

Learning Steps:

Schemas and migrations

Changesets and validations

Query DSL and Ecto.Query

Associations (has_many, belongs_to, many_to_many)

Preloading and joins

Transactions and multi operations

Custom types and embedded schemas

Database constraints and indexes

📝 Personal Notes:

🧪

Testing & ExUnit

Write comprehensive tests for your applications

Learning Steps:

ExUnit basics and test structure

Assertions and refutations

Testing contexts and business logic

Phoenix controller and view tests

LiveView testing helpers

Mocking and stubbing with Mox

Test factories and fixtures

Property-based testing with StreamData

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🚀

Deployment

Deploy Elixir apps to production

Learning Steps:

Releases with mix release

Environment configuration

Docker containerization

Deploying to Fly.io or Gigalixir

Database migrations in production

Monitoring and logging

SSL/TLS and domain configuration

CI/CD pipelines

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🎓

Advanced Topics

Macros, metaprogramming, and distributed systems

Learning Steps:

Macros and metaprogramming basics

Abstract Syntax Tree (AST) manipulation

Protocols and behaviours

Distributed Elixir and clustering

ETS and persistent_term for caching

NIFs and native code integration

Performance optimization techniques

Building libraries and hex packages

📝 Personal Notes: