Tag

#deployment

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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 Β· 7 min read Β· TomΓ‘Ε‘ Korcak (korczis)
mix release deployment +2
Engineering

Feature Flags for Gradual Rollout: Ship the Code, Gate the Blast Radius

Deploy and release are different events. Feature flags let you ship code to production and enable it for 1% of users, then 10%, then everyone. Here's how Prismatic gates risky changes without branching hell.

Apr 09, 2026 Β· 6 min read Β· TomΓ‘Ε‘ Korcak (korczis)
feature-flag rollout deployment +2
Tutorial

Building and Deploying Elixir Releases

Complete guide to Elixir releases covering mix release configuration, runtime.exs, Docker multi-stage builds, Fly.io deployment, and hot upgrade patterns.

Mar 26, 2026 Β· 11 min read Β· Tomas Korcak (korczis)
elixir releases deployment +2
Engineering

From Health Score to Production: The Deploy Pipeline

The three-phase production deployment pipeline: pre-deploy validation with quality gates and doctrine checks, deployment via Fly.io, and post-deploy health verification with smoke tests and performance checks.

Mar 25, 2026 Β· 9 min read Β· Prismatic Engineering
deployment fly-io health-score +2
Architecture

Configuration Management in a Large Elixir Umbrella

Managing configuration across a 94-app umbrella: compile-time vs runtime config, environment variables, application-specific settings, and avoiding common pitfalls.

Mar 24, 2026 Β· 9 min read Β· Tomas Korcak (korczis)
elixir configuration umbrella +2
Architecture

CI/CD Pipeline Architecture for a 94-App Umbrella

GitLab CI/CD pipeline design for the Prismatic Platform: multi-stage compilation, doctrine validation, deploy gates, artifact management, and production deployment.

Mar 16, 2026 Β· 9 min read Β· Tomas Korcak (korczis)
ci-cd gitlab deployment +2