{"title":"Deep steps","description":"","products":[{"product_id":"free-pathway","title":"Free Pathway","description":"\u003cp\u003eFree Pathway is a free starter course that gives you an understanding of the true nature of Ruby, not just a surface-level overview. 🚀\u003cbr\u003eMany people start with \"hello world\" and quickly get lost when they reach real projects. This course helps lay a solid foundation: how Ruby actually handles objects, why everything is an object, how the naming system works, and why some things behave differently than in Python or JavaScript.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat’s included\u003c\/strong\u003e\u003cbr\u003e4 modules with videos, detailed code examples, in-code comments, and exercises that make you think.\u003cbr\u003eModule 1: Ruby as an object-oriented language from the very beginning\u003cbr\u003eWhy Integer, String, Array are objects • self in the top-level context • open classes (monkey patching basics) 🔧\u003cbr\u003eModule 2: Type system and dynamic nature\u003cbr\u003eDuck typing in practice • nil vs false vs empty • object_id and frozen objects ❄️\u003cbr\u003eModule 3: Symbols vs strings — when and why it matters\u003cbr\u003eMemory, speed, usage as hash keys • :sym vs \"string\" in real code ⚡\u003cbr\u003eModule 4: Blocks as first-class citizens\u003cbr\u003eyield, block as argument, \u0026amp;block • first hooks into Proc and Lambda\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWho this course is for\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSuitable if you:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ehave already tried programming (in any language) and want to understand \"why Ruby is like this\"\u003c\/li\u003e\n\u003cli\u003eplan to take Ruby seriously and don’t want to return to basics later\u003c\/li\u003e\n\u003cli\u003ewant to check for free if the language philosophy feels comfortable 😊\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNot suitable if you:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eare looking for \"Ruby in 30 minutes\" without deep thinking\u003c\/li\u003e\n\u003cli\u003ewant Rails or web development right away (this is pure language)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat you will study\u003c\/strong\u003e\u003cbr\u003eWhy almost everything in Ruby is an object and how it affects code\u003cbr\u003eHow to properly use symbols for optimization\u003cbr\u003eHow blocks allow writing elegant and flexible code\u003cbr\u003eHow to avoid common beginner mistakes with nil, frozen, and object_id\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAbout the author\u003c\/strong\u003e\u003cbr\u003eDeveloper with over 8 years of Ruby experience. Worked with Ruby in production systems, scripts, ETL processes, and open-source. Loves explaining \"why it works this way\", not just \"copy this code\". 📝\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e30-day refund policy\u003c\/strong\u003e\u003cbr\u003eIf within 30 days after purchase of paid tariff you feel the materials do not suit you — write us for refund (for Free Pathway not applicable).\u003c\/p\u003e","brand":"Lumiruby","offers":[{"title":"Default Title","offer_id":56856256250204,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/4774\/8444\/files\/1.png?v=1772196158"},{"product_id":"zenith-pathway","title":"Zenith Pathway","description":"\u003cp\u003eZenith Pathway is a course that helps you move from \"writing code\" to \"building resilient systems\" in Ruby. 🏔️\u003cbr\u003eAfter Quantum Slate, you know how to make code fast and efficient. Now it's time to make it understandable, testable, and ready for team growth and project scaling: domain-driven design basics, clean architecture, design patterns, and principles used in large Ruby projects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat’s included\u003c\/strong\u003e\u003cbr\u003e9 modules with real architecture examples, code templates, refactoring exercises for entire modules, and structure-building tasks.\u003cbr\u003eModule 1: Clean Code \u0026amp; SOLID in Ruby\u003cbr\u003eSingle Responsibility, Open-Closed, Liskov etc. • applying in dynamic language • code smells and removal\u003cbr\u003eModule 2: Domain-Driven Design basics\u003cbr\u003eUbiquitous Language • Entities, Value Objects, Aggregates • Repository pattern in pure Ruby\u003cbr\u003eModule 3: Clean \/ Hexagonal Architecture\u003cbr\u003eLayers: domain, application, infrastructure, presentation • dependency inversion in Ruby • folder structure examples\u003cbr\u003eModule 4: Design Patterns in Ruby style\u003cbr\u003eStrategy, Factory, Builder, Decorator, Observer • adapting GoF patterns to Ruby (duck typing + blocks)\u003cbr\u003eModule 5: Test-Driven Development practice\u003cbr\u003eRSpec advanced: matchers, shared examples, stubs\/mocks • outside-in TDD • edge case testing\u003cbr\u003eModule 6: Event Sourcing \u0026amp; CQRS basics\u003cbr\u003eSimple event sourcing implementations • command\/query separation • why useful for complex domains\u003cbr\u003eModule 7: Refactoring to clean structure\u003cbr\u003eBreaking monolithic classes into services\/interactors • using dry-monads or result objects\u003cbr\u003eModule 8: Scalable Ruby without Rails\u003cbr\u003eMicroservices-friendly design • message buses (dry-events, simple pub\/sub) • background jobs patterns\u003cbr\u003eModule 9: Final project exercise\u003cbr\u003eBuilding a full domain module (e.g. booking system or inventory) with clean architecture and tests\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWho this course is for\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSuitable if you:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ealready write medium\/large projects and feel structural chaos\u003c\/li\u003e\n\u003cli\u003ewant to move from \"scripts\" to professional architecture\u003c\/li\u003e\n\u003cli\u003eare ready to invest time in exercises requiring multiple code rewrites for cleanliness 🌟\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNot suitable if you:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eare not yet confident with concurrency and profiling\u003c\/li\u003e\n\u003cli\u003eare looking for quick tricks without deep code reorganization\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat you will study\u003c\/strong\u003e\u003cbr\u003eHow to apply SOLID and Clean Code principles in Ruby\u003cbr\u003eDomain-Driven Design basics and business domain modeling\u003cbr\u003eHow to build hexagonal\/clean architecture without frameworks\u003cbr\u003eHow to adapt classic design patterns to Ruby\u003cbr\u003eHow to write reliable tests and use TDD for architecture\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAbout the author\u003c\/strong\u003e\u003cbr\u003eDeveloper with over 8 years of Ruby experience. Worked on enterprise-level systems where architecture and maintainability were critical for teams of 10+ developers. 🏛️\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e30-day refund policy\u003c\/strong\u003e\u003cbr\u003eIf within 30 days after purchase of paid tariff you feel the materials do not suit you — write us for refund (for Free Pathway not applicable).\u003cbr\u003e\u003c\/p\u003e","brand":"Lumiruby","offers":[{"title":"Default Title","offer_id":56856352227676,"sku":null,"price":190.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/4774\/8444\/files\/5.png?v=1772196260"},{"product_id":"nexus-pathway","title":"Nexus Pathway","description":"\u003cp\u003eNexus Pathway is a course that helps you move from \"local developer\" to \"production-ready engineer\" in Ruby. 🌐\u003cbr\u003eAfter Zenith Pathway, you know how to build clean architecture and test code. Now it's time to cover everything that happens after \"bundle exec rails s\": deployment, monitoring, security, legacy handling, observability, and avoiding common production pitfalls.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat’s included\u003c\/strong\u003e\u003cbr\u003e9 modules with videos, real production examples, configs, scripts, exercises on tool setup, and real incident analysis.\u003cbr\u003eModule 1: Advanced tooling \u0026amp; environment management\u003cbr\u003erbenv vs rvm vs asdf • chruby • gemsets vs bundler groups • multiple Ruby versions\u003cbr\u003eModule 2: Deployment patterns\u003cbr\u003eCapistrano vs Kamal vs Docker + Compose • zero-downtime deploy • blue-green \/ canary basics\u003cbr\u003eModule 3: Containerization \u0026amp; Orchestration intro\u003cbr\u003eDockerfile best practices • multi-stage builds • simple Kubernetes manifests for Ruby apps\u003cbr\u003eModule 4: Observability stack\u003cbr\u003ePrometheus + Grafana • OpenTelemetry basics • structured logging (lograge, semantic_logger) • error tracking (Sentry, Rollbar)\u003cbr\u003eModule 5: Security in Ruby apps\u003cbr\u003eBrakeman, bundler-audit, secure_headers • OWASP top 10 in Ruby context • secrets management (dotenv vs Vault)\u003cbr\u003eModule 6: CI\/CD pipelines\u003cbr\u003eGitHub Actions \/ GitLab CI examples • parallel testing • auto-deploy on merge • gem caching\u003cbr\u003eModule 7: Legacy code handling\u003cbr\u003eStrangler fig pattern strategies • characterization tests • golden master testing • gradual refactoring\u003cbr\u003eModule 8: Scaling \u0026amp; resilience patterns\u003cbr\u003eCircuit breaker, retry, rate limiting • sidekiq pro features • database connection pooling tuning\u003cbr\u003eModule 9: Final capstone exercise\u003cbr\u003eFull production setup: Docker + CI + observability + secure config + deploy script for a simple Ruby service\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWho this course is for\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSuitable if you:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ealready have experience deploying Ruby apps but want modern, resilient practices\u003c\/li\u003e\n\u003cli\u003eface downtime, slow deploys, or production complexities\u003c\/li\u003e\n\u003cli\u003eplan to work in teams where code lives for years, not months 🚀\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNot suitable if you:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ehave not yet written production code or dealt with real servers\u003c\/li\u003e\n\u003cli\u003eare looking only for \"how to run on Heroku\" without depth\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhat you will study\u003cbr\u003e\u003cstrong\u003eHow to set up stable environments and tools for multiple Ruby versions\u003c\/strong\u003e\u003cbr\u003eDifferent deployment strategies with minimal downtime\u003cbr\u003eHow to build observability without expensive SaaS (or with them)\u003cbr\u003eHow to detect and fix security issues in Ruby code\u003cbr\u003eHow to handle legacy code without full rewrite\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAbout the author\u003c\/strong\u003e\u003cbr\u003eDeveloper with over 8 years of Ruby experience. Worked on high-load systems where uptime, observability, and fast recovery were critical. Conducted production infrastructure audits. 🔒\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e30-day refund policy\u003c\/strong\u003e\u003cbr\u003eIf within 30 days after purchase of paid tariff you feel the materials do not suit you — write us for refund (for Free Pathway not applicable).\u003cbr\u003e\u003c\/p\u003e","brand":"Lumiruby","offers":[{"title":"Default Title","offer_id":56856356979036,"sku":null,"price":210.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/4774\/8444\/files\/6.png?v=1772196266"},{"product_id":"prime-pathway","title":"Prime Pathway","description":"\u003cp\u003ePrime Pathway is a course for those who want to reach the pinnacle of Ruby's capabilities in 2026 and write code that scales to thousands of requests, millions of lines, and years of operation. 👑\u003cbr\u003eAfter Nexus Pathway, you know how to deploy, monitor, and secure production. Now it's time to dive into the most advanced tools and techniques: alternative Ruby implementations, true parallelism, JIT optimizations, custom extensions, and strategies for enterprise-level projects.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat’s included\u003c\/strong\u003e\u003cbr\u003e10 modules with videos, deep technical examples, benchmark scripts, exercises on custom implementations, and analysis of real high-load cases.\u003cbr\u003eModule 1: Ruby implementations deep dive\u003cbr\u003eMRI vs YJIT vs MJIT vs TruffleRuby vs JRuby • when and why to choose each • YJIT tuning in production\u003cbr\u003eModule 2: Ractors (true parallelism in Ruby 3+)\u003cbr\u003eRactor.new, shareable objects, Ractor.select • limitations and workarounds • real-world use cases\u003cbr\u003eModule 3: Advanced concurrency models\u003cbr\u003eActors (Celluloid-style or custom) • Polyphony \/ Fiber-based async • comparison with Go goroutines\u003cbr\u003eModule 4: JIT \u0026amp; AOT optimizations\u003cbr\u003eYJIT warmup strategies • MJIT methods • reading and interpreting JIT logs • custom JIT experiments\u003cbr\u003eModule 5: Writing C-extensions basics\u003cbr\u003erb_define_method, rb_funcall • data types • memory management • using Rust for extensions (magnus)\u003cbr\u003eModule 6: Enterprise Ruby patterns\u003cbr\u003eMonorepo vs multi-repo • service boundaries • feature flags • gradual typing (Sorbet, steep)\u003cbr\u003eModule 7: Extreme performance tuning\u003cbr\u003eObject shapes optimization • string interning • custom allocators • GC tuning params (2026 relevant)\u003cbr\u003eModule 8: Migration \u0026amp; modernization strategies\u003cbr\u003eRuby 3.3 → 3.4 → 4.0 upgrades • Rails → Hanami or pure Ruby • legacy → modular monolith\u003cbr\u003eModule 9: Research \u0026amp; future-proofing\u003cbr\u003eRuby Next, experimental features • following Ruby core dev • contribution basics (if interested)\u003cbr\u003eModule 10: Capstone project\u003cbr\u003eFull high-performance service: Ractors + YJIT + custom C-ext + observability + deploy pipeline\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWho this course is for\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"text-decoration: underline;\"\u003eSuitable if you:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ealready have production experience and hit MRI limits\u003c\/li\u003e\n\u003cli\u003ewant to use true parallelism and JIT to the maximum\u003c\/li\u003e\n\u003cli\u003eplan to work in companies where Ruby is a core technology or write open-source gems 🏆\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNot suitable if you:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eare not yet confident with production deployment and observability\u003c\/li\u003e\n\u003cli\u003eare looking for \"how to make it faster in 5 minutes\" without deep internals understanding\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat you will study\u003c\/strong\u003e\u003cbr\u003eWhen and how to switch to YJIT, MJIT, or JRuby\u003cbr\u003eHow to use Ractors for real parallelism\u003cbr\u003eHow to write simple C-extensions and use Rust for performance\u003cbr\u003eHow to tune Ruby under extreme load\u003cbr\u003eHow to plan long-term Ruby project evolution\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAbout the author\u003c\/strong\u003e\u003cbr\u003eDeveloper with over 8 years of Ruby experience. Worked on systems with tens of millions of daily requests, tuned YJIT and Ractors in production, wrote C-extensions, and participated in Ruby core discussions. 🌍\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e30-day refund policy\u003c\/strong\u003e\u003cbr\u003eIf within 30 days after purchase of paid tariff you feel the materials do not suit you — write us for refund (for Free Pathway not applicable).\u003cbr\u003e\u003c\/p\u003e","brand":"Lumiruby","offers":[{"title":"Default Title","offer_id":56856361435484,"sku":null,"price":500.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1004\/4774\/8444\/files\/7.png?v=1772196271"}],"url":"https:\/\/lumiruby.com\/collections\/deep-steps.oembed","provider":"Lumiruby","version":"1.0","type":"link"}