Reconnectingβ¦
Tag
#production
3 articles
Engineering
Observer in Production: The BEAM Introspection Nobody Talks About
:observer is the most underused debugging tool in the Elixir ecosystem. Attached to a running node, it shows you every process, every ETS table, every mailbox β live. Here's how to run it safely against prod.
Apr 09, 2026
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6 min read
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TomΓ‘Ε‘ Korcak (korczis)
observer
debugging
beam
+2
Engineering
Mix Releases for Zero-Surprise Deploys: What Ships Is What You Tested
A Mix release is a sealed artifact. Build it once, test it, ship the exact bytes to production. Here's the pipeline β and the three mistakes that make releases lie about what's running.
Apr 09, 2026
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7 min read
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TomΓ‘Ε‘ Korcak (korczis)
mix
release
deployment
+2
Engineering
GenServer Patterns for Production Systems
Battle-tested GenServer patterns covering state management, handle_continue, timeout strategies, Registry usage, and bottleneck avoidance in production Elixir systems.
Mar 10, 2026
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12 min read
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Tomas Korcak (korczis)
elixir
genserver
otp
+2