Ruby Web Servers and Concurrency
                What does a web server actually do? I imagine all of us at least half understand it, let’s explore the remaining half! In a previous post, I covered how rack-based web servers like Puma pass an incomi...
            
        
    
    
            Wrote about #ruby Ractors and how they work + why they exist.   
This is the next post in the Ruby concurrency/performance series. I'm sending these as part of my newsletter.
A beginner friendly primer (defining process, thread, concurrency, parallelism, Ruby GVL) theleafnode.com/ruby-web-ser...
               
            
            
                24.09.2025 15:20 — 👍 10    🔁 2    💬 1    📌 0                      
            
         
            
        
            
            
            
            
                                                 
                                                
    
    
    
    
            It's been a while since I shared, so:
I write a #ruby, #rails newsletter. Subscribe and tell your friends (if you feel like it:):
               
            
            
                10.09.2025 16:37 — 👍 3    🔁 0    💬 0    📌 0                      
            
         
            
        
            
            
            
            
                                                 
                                                
    
    
    
    
            Excited about Lexxy, the new editor for Action Text. Check it out github.com/basecamp/lexxy
               
            
            
                04.09.2025 19:43 — 👍 1    🔁 0    💬 0    📌 0                      
            
         
            
        
            
            
            
            
            
    
    
    
    
            I'm not at #RailsWorld but following along. 
Keep sharing your pictures and updates, love it ❤️
               
            
            
                04.09.2025 14:13 — 👍 3    🔁 0    💬 0    📌 0                      
            
         
            
        
            
            
            
            
            
    
    
    
    
            Thanks for the book recommendation! Right up my alley, added to my Libby app 😊
               
            
            
                03.09.2025 15:22 — 👍 1    🔁 0    💬 1    📌 0                      
            
         
            
        
            
            
            
            
            
    
    
    
    
            Thanks Jeremy! 😀
Note to self: check bluesky more often.
               
            
            
                26.08.2025 13:55 — 👍 1    🔁 0    💬 1    📌 0                      
            
         
            
        
            
            
            
            
                                                 
                                                
    
    
    
    
            This year I've been increasingly imagining AI tools as the 'end-user' as I update the remaining Rails guides.
Had no inkling of this reality when we started in January 2024 though.
               
            
            
                04.07.2025 16:34 — 👍 3    🔁 0    💬 0    📌 0                      
            
         
            
        
            
            
            
            
                                                 
                                                
    
    
    
    
            🤔
               
            
            
                05.05.2025 15:38 — 👍 3    🔁 0    💬 1    📌 0                      
            
         
            
        
            
            
            
            
            
    
    
    
    
            Check it out for an excellent rabbit hole on time and calendars (and world book day), including ruby-docs examples 😀
               
            
            
                23.04.2025 15:17 — 👍 4    🔁 0    💬 0    📌 0                      
            
         
            
        
            
            
            
            
            
    
    
    
    
            Nothing against "vibe coding", but in addition to it, I think it's more fun to actually understand things 😊
               
            
            
                10.04.2025 18:51 — 👍 24    🔁 1    💬 0    📌 0                      
            
         
            
        
            
            
            
            
            
    
    
    
    
            All of the rails commands (and their aliases):
aliases = {
"g"  => "generate",
"d"  => "destroy",
"c"  => "console",
"s"  => "server",
"db" => "dbconsole",
"r"  => "runner",
"t"  => "test"
}
Came across this while rewriting the Rails guide for Rails Initialization Process:
               
            
            
                10.04.2025 18:42 — 👍 7    🔁 0    💬 1    📌 0                      
            
         
            
        
            
            
            
            
            
    
    
    
    
            Hi 👋 I'm going to start using this place more. 
If we know each other from the other place, please react to this post, so I can follow you. 
And please repost for reach. Thanks!
               
            
            
                10.04.2025 18:38 — 👍 18    🔁 5    💬 0    📌 1                      
            
         
            
        
            
            
            
            
                                                 
                                                
    
    
    
    
            Do you know about the `bin/rails runner` command?
It executes any Ruby code inside a fully initialized Rails environment, without having to start a rails console.
               
            
            
                10.04.2025 18:29 — 👍 2    🔁 0    💬 1    📌 1                      
            
         
            
        
            
            
            
            
            
    
    
            
                             
                        
                RailsConf 2025
                RailsConf 2025 – Philadelphia, PA – July 8-10: Register for RailsConf Now!
            
        
    
    
            Early bird tickets for the FINAL #RailsConf are now LIVE! 🙌 🤩 
Only 100 available.
Join us July 8-10 in Philly for 3 days of talks, workshops, and a celebration of Rails and RailsConf.
Early bird 🐦 AND general tickets are limited, so secure yours now. 👇
               
            
            
                19.03.2025 14:00 — 👍 5    🔁 5    💬 0    📌 6                      
            
         
            
        
            
            
            
            
            
    
    
    
    
            Nicely written!
Look forward to your long-form technical posts in 2025!
Absolutely agree with this:
"an opportunity and great challenge to dive deeper into topics and communicate ideas more clearly and effectively."
I feel ready to continue the technical writing I started in 2024 also.
               
            
            
                23.01.2025 16:22 — 👍 2    🔁 0    💬 1    📌 0                      
            
         
            
        
            
            
            
            
            
    
    
    
    
            I read what you wrote, thanks for sharing 😊
               
            
            
                06.01.2025 20:30 — 👍 2    🔁 0    💬 0    📌 0                      
            
         
            
        
            
            
            
            
            
    
    
    
    
            Nice, Happy Birthday!
               
            
            
                06.01.2025 20:28 — 👍 2    🔁 0    💬 0    📌 0                      
            
         
            
        
            
            
            
            
            
    
    
    
    
            💯 
"how far away in the experience ladder they are" 👈 this is a great way of putting it.
               
            
            
                06.01.2025 20:25 — 👍 1    🔁 0    💬 0    📌 0                      
            
         
            
        
            
            
            
            
            
    
    
    
    
            Interesting! Currently doing research on history of homeschooling and other alternate approaches to education (for a personal writing project). I am very curious about this topic (as a parent).
               
            
            
                13.12.2024 16:29 — 👍 4    🔁 0    💬 3    📌 0                      
            
         
            
        
            
            
            
            
            
    
    
    
    
            hi 👋
               
            
            
                05.12.2024 17:09 — 👍 1    🔁 0    💬 0    📌 0                      
            
         
            
        
            
            
            
            
            
    
    
    
    
            Just finished The Hidden Tools of Comedy (would recommend, if interested in writing).
               
            
            
                05.12.2024 16:45 — 👍 3    🔁 1    💬 1    📌 0                      
            
         
            
        
            
            
            
            
            
    
    
    
    
            And now I've added this book to my Libby queue :)
               
            
            
                04.12.2024 17:14 — 👍 1    🔁 0    💬 1    📌 0                      
            
         
            
        
            
            
            
            
            
    
    
    
    
            Hi 👋
               
            
            
                23.10.2024 14:38 — 👍 11    🔁 0    💬 3    📌 0                      
            
         
    
         
        
            
        
                            
                    
                    
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                                            Father of two. Freelance software engineer. Avid runner.
Leave this world a little better than you found it.
#Ruby #RubyOnRails #ElixirLang #Running
                                     
                            
                    
                    
                                            Leading Ruby & Rails Infrastructure at @Shopify 💎& building the future of Ruby & Rails at scale with awesome humans ✨. Night owl 🦉 who codes, games, draws, travels.
                                     
                            
                    
                    
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Author of The Rails and Hotwire Codex. @bridgetownrb.com core. I write Ruby for money. 
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                                            Ruby and Rails hacker working at Shopify, living in Seattle
                                     
                            
                            
                    
                    
                                            Indie developer and educator. Blogging at http://joshwcomeau.com.
Previously at DigitalOcean, Khan Academy. Taught at Concordia Bootcamps.
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founder @ RocketFuel
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