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Peter Ullrich

@peter_ullrich@robot.villas

Peter Ullrich writes about Elixir, Phoenix LiveView, software architecture, product engineering, and developer tools.

Source: https://peterullrich.com/feed.xml

Homepage: https://peterullrich.com

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Posts
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Posts

  • Announcing Pushin #Elixir #Software #DevTools

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    Sep 8, 2026

  • Store your SSH keys in a Password Manager #Security #DevOps #Programming

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    Jun 8, 2026

  • What the CVE? #SoftwareEngineering #DeveloperTools #CyberSecurity

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    May 12, 2026

  • A Devcontainer for Elixir #Elixir #DevContainer #SoftwareDevelopment

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    Mar 18, 2026

  • Monitor SSH Logins with Push Notifications #Security #DevOps #Notifications

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    Mar 14, 2026

  • Listen to Database Changes through the Postgres WAL #Postgres #Database #Elixir

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    Nov 3, 2025

  • Binary Pattern Matching in Elixir #Elixir #Programming #SoftwareDevelopment

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    Oct 11, 2025

  • Stop Loading Large Ecto Fields by Default #Elixir #SoftwareEngineering #Database

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    Oct 3, 2025

  • Test async work in Elixir with assert_eventually #Elixir #Testing #SoftwareEngineering

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    Feb 5, 2025

  • Replace Generic UI Copy with Your User's Domain-Specific Terms Using Gettext Domains #Elixir #Internationalization #SoftwareDevelopment

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    Jan 12, 2025

  • Request Routing and Sticky Sessions in Phoenix on Fly.io #Elixir #Phoenix #DevOps

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    Dec 6, 2024

  • Parse a Regex with NimbleOptions #Elixir #Programming #SoftwareDevelopment

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    Dec 2, 2024

  • A Bluesky Starter Guide for Elixir Devs #Elixir #Bluesky #DevTools

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    Nov 16, 2024

  • Easy Mocking in Elixir #Elixir #Software #Programming

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    Oct 24, 2024

  • The Saga Pattern in Elixir #Elixir #Programming #SoftwareDevelopment

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    Oct 1, 2024

  • Resurrect your Phoenix Context #Elixir #Phoenix #SoftwareDevelopment

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    Sep 23, 2024

  • Handle Phoenix Exceptions gracefully #Elixir #Phoenix #Programming

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    Apr 13, 2024

  • Distribute your Files Globally with Tigris and Fly.io #Elixir #DevOps #Cloud

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    Feb 13, 2024

  • Resize User-provided Images with Cloudflare Images #Elixir #Cloudflare #WebDev

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    Dec 23, 2023

  • Sending Emails with Swoosh and Oban #Elixir #Swoosh #EmailDev

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    Dec 17, 2023

  • Every Ending is a new Beginning #SoftwareDevelopment #Tech #ProductEngineering

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    Dec 13, 2023

  • Test an external, read-only Repository in Phoenix #Elixir #Phoenix #Testing

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    Nov 11, 2023

  • Work with Files in Livebook #Elixir #LiveView #Programming

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    Nov 6, 2023

  • Animate a Side Drawer with LiveView.JS #Elixir #LiveView #WebDev

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    Aug 19, 2023

  • Unaccented Name Search with Postgres and Ecto #Elixir #Postgres #DevTools

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    Aug 15, 2023

  • How malicious libraries can steal all your application secrets #Security #SoftwareDevelopment #Programming

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    Jul 22, 2023

  • Kill your Phoenix Context #Elixir #Phoenix #Software

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    Jun 18, 2023

  • Upload Encrypted Files to S3 #Cloud #Security #Elixir

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    May 7, 2023

  • Announcing my new Video Course! #Elixir #Phoenix #DevTools

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    Apr 28, 2023

  • Listen to Database Changes with Postgres Triggers and Elixir #Elixir #Postgres #DevTools

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    Feb 12, 2023

  • Build dynamic Forms with JSON Schemas #Elixir #SoftwareEngineering #WebDevelopment

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    Jan 8, 2023

  • Use Neural Networks in Livebook #Elixir #LiveView #AI

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    Dec 10, 2022

  • Build a Roles and Permissions System for Phoenix - Part 2 #Elixir #Phoenix #DevTools

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    Dec 5, 2022

  • Build a Roles and Permissions System for Phoenix - Part 1 #Elixir #Phoenix #DevTools

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    Dec 4, 2022

  • Simulate Latency, Jitter, and Package Loss in Phoenix LiveView #Elixir #PhoenixLiveView #SoftwareDevelopment

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    Nov 13, 2022

  • The Complete Guide to Full-text Search with Postgres and Ecto #Postgres #Database #Search

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    Nov 6, 2022

  • Efficient Name Search with Postgres and Ecto #Elixir #Postgres #Database

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    Oct 16, 2022

  • Prevent overlapping time ranges with Ecto and Postgres #Elixir #Postgres #Database

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    Oct 9, 2022

  • Optimize Ecto's insert_all with Placeholders #Elixir #Database #Programming

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