Rails 5.2, Hanami 1.2, and migrating from Heroku to Dokku

This week's Ruby news, issue 394

#394 — April 12, 2018 Read on the Web Ruby Weekly Rails 5.2 Released — The somewhat impressive list of features includes Active Storage, Redis Cache Store, HTTP/2 Early Hints, CSP, and Credentials. It works well with Webpacker 3.0 for your webpack JavaScript bundling needs too. David Heinemeier Hansson Measuring Branch and Method Coverage in Ruby 2.5 — Coverage, part of the standard library, can be used to measure line, branch and method coverage of code. Vishal Telangre Fix Production Bugs in Seconds with Sentry — You're relying on users to report bugs? Use Sentry to fix production issues in real time, right in your existing workflow. Cut time to resolution from 5 hours to 5 minutes. Sentry is 100% open source and loved by 500K developers. Sign up for free. Sentry sponsor A Dive into Ruby CVE-2017-17405: Identifying a Vulnerability in Ruby's FTP Implementation — The story and process used by Heroku to find if a new exploit exists in the latest Ruby. The bad news is, it did. The good news is, it's fixed. Etienne Stalmans How to Migrate a Rails App from Heroku to Dokku — Dokku is a self-hosted Docker-powered platform that's compatible with Heroku in many ways. Complete with support for Postgres, Sidekiq, and Redis. Paweł Urbanek Ruby 2.6 and Why Ahead of Time Compilation Isn't Ready Yet — Looking at the "test-only" JIT options at Ruby 2.6 and why JIT is a non-starter (right now) for Rails apps. Noah Gibbs Profiling Ruby's Memory Allocation with TCmalloc — TCmalloc is part of Google's gperftools suite that Ruby can use and with which you can see how Ruby allocates memory. Jesus Castello Hanami 1.2.0 Released — Hanami is a popular alternative webapp framework for Ruby optimized for performance and memory use. This key release adds support for HTTP/2 Early Hints, Unobtrusive JavaScript (UJS), and more. Luca Guidi 💻 Jobs Come Work Together with & Empower Creative People at BackerKit — BackerKit is the industry-leading platform for creators. We're building a bunch of neat stuff, come join us. BackerKit Ruby on Rails Developer at X-Team (Remote) — We help our developers keep learning and growing every day. Unleash your potential. Work from anywhere. Join X-Team. x-team Ruby Expert? Sign Up for Vettery — Developers with four-years experience average five or more interviews during their first week on Vettery. Vettery 📖 Articles & Opinion Interactive Debug Sessions in RSpec with Capybara Tom Dracz Add SMS Notifications to Your Rails App Using Twilio Yechiel Kalmenson Adding Bash Completion to 'db:migrate:down' Tom Copeland 5 Commercial Use Cases Continue to Prove the Value of Rails — Next time someone tells you Rails is dead, ask them to Hulu and chill. Engine Yard Do You Really Need WebSockets? — Alternatives include Server-Sent Events and long polling. Stanko Krtalić Rusendić eBook: Efficient Project Management for Small Engineering Teams Codeship sponsor ▶  Discussing Ruby 3 with Takashi Kokubun Ruby Rogues 🔧 Code, Tools & Demos sidekiq_profiling_middleware: A Tool for Profiling Sidekiq Callum Jones qo: Pattern Matching and Fluent Querying in Ruby — An experimental pattern matching idea. Brandon Weaver Monitoring and Distributed Tracing for Ruby Apps — Get full-stack monitoring and alerting for Ruby apps and 200+ infrastructure integrations. Try Datadog free. Datadog sponsor The Ultimate Guide to Ruby Timeouts: Timeouts for Popular Ruby Gems — A list of example timeout code for popular database configuration, adapters, middleware and web servers, and various other gems. Andrew Kane mysql2: A Modern, Simple and Fast MySQL Library — The recently released 0.5 is Ruby 2.0+ and MySQL 5.5+ only. Brian Lopez facebook_data_analyzer: Analyze Facebook's Copy of Your Data Przemyslaw Mroczek

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