41554 blogs · [ { "id": "01a087c0-c82f-7329-bb10-ee442a089d0c", "title": "Announcing Pushin", "url": "https://peterullrich.com/announcing-pushin", "published_at": "2026-09-08T06:00:00+00:00" }, { "id": "01a087c0-c830-7373-9141-8986614c6e7c", "title": "Store your SSH keys in a Password Manager", "url": "https://peterullrich.com/store-ssh-keys-in-password-manager", "published_at": "2026-06-08T06:00:00+00:00" }, { "id": "01a087c0-c830-7373-9141-898661bdbed6", "title": "What the CVE?", "url": "https://peterullrich.com/what-the-cve", "published_at": "2026-05-12T06:00:00+00:00" }, { "id": "01a087c0-c831-71c0-921b-fb670a2c7306", "title": "A Devcontainer for Elixir", "url": "https://peterullrich.com/a-devcontainer-for-elixir", "published_at": "2026-03-18T06:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-83946ed7d02c", "title": "Monitor SSH Logins with Push Notifications", "url": "https://peterullrich.com/send-pushover-message-for-ssh-logins", "published_at": "2026-03-14T06:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-83946f13959d", "title": "Listen to Database Changes through the Postgres WAL", "url": "https://peterullrich.com/listen-to-database-changes-through-the-postgres-wal", "published_at": "2025-11-03T06:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-83946f1cbf17", "title": "Binary Pattern Matching in Elixir", "url": "https://peterullrich.com/binary-pattern-matching-in-elixir", "published_at": "2025-10-11T06:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-83946fa8eab6", "title": "Stop Loading Large Ecto Fields by Default", "url": "https://peterullrich.com/stop-loading-large-ecto-fields-by-default", "published_at": "2025-10-03T06:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-8394707505c8", "title": "Test async work in Elixir with assert_eventually", "url": "https://peterullrich.com/async-testing-with-eventually", "published_at": "2025-02-05T06:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-83947136a9a1", "title": "Replace Generic UI Copy with Your User's Domain-Specific Terms Using Gettext Domains", "url": "https://peterullrich.com/customise-white-label-ui-copy-with-gettext-domains", "published_at": "2025-01-12T06:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-8394722bfad3", "title": "Request Routing and Sticky Sessions in Phoenix on Fly.io", "url": "https://peterullrich.com/request-routing-and-sticky-sessions-in-phoenix-on-fly", "published_at": "2024-12-06T06:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-839472cb087d", "title": "Parse a Regex with NimbleOptions", "url": "https://peterullrich.com/parse-regex-with-nimble-options", "published_at": "2024-12-02T06:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-839473a09dd0", "title": "A Bluesky Starter Guide for Elixir Devs", "url": "https://peterullrich.com/a-bluesky-starter-guide-for-elixir-devs", "published_at": "2024-11-16T10:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-839473c64db8", "title": "Easy Mocking in Elixir", "url": "https://peterullrich.com/easy-mocking-in-elixir", "published_at": "2024-10-24T06:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-8394749cbba2", "title": "The Saga Pattern in Elixir", "url": "https://peterullrich.com/saga-pattern-in-elixir", "published_at": "2024-10-01T06:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-839475253db8", "title": "Resurrect your Phoenix Context", "url": "https://peterullrich.com/resurrect-your-phoenix-context", "published_at": "2024-09-23T06:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-8394754359be", "title": "Handle Phoenix Exceptions gracefully", "url": "https://peterullrich.com/handle-phoenix-exceptions-gracefully", "published_at": "2024-04-13T10:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-83947556bb03", "title": "Distribute your Files Globally with Tigris and Fly.io", "url": "https://peterullrich.com/distribute-your-files-globally-with-tigris-and-fly", "published_at": "2024-02-13T06:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-83947565f7ce", "title": "Resize User-provided Images with Cloudflare Images", "url": "https://peterullrich.com/resize-user-provided-images-with-cloudflare", "published_at": "2023-12-23T06:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-839475f41eab", "title": "Sending Emails with Swoosh and Oban", "url": "https://peterullrich.com/sending-emails-with-swoosh-and-oban", "published_at": "2023-12-17T08:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-8394761f802b", "title": "Every Ending is a new Beginning", "url": "https://peterullrich.com/every-ending-is-a-new-beginning", "published_at": "2023-12-13T07:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-839476ee4dd8", "title": "Test an external, read-only Repository in Phoenix", "url": "https://peterullrich.com/test-an-external-read-only-repository-in-phoenix", "published_at": "2023-11-11T10:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-8394777b9f36", "title": "Work with Files in Livebook", "url": "https://peterullrich.com/work-with-files-in-livebook", "published_at": "2023-11-06T07:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-83947846eba0", "title": "Animate a Side Drawer with LiveView.JS", "url": "https://peterullrich.com/animate-a-side-drawer-with-live-view-js", "published_at": "2023-08-19T10:00:00+00:00" }, { "id": "01a087c0-c835-7292-9c3f-839478591005", "title": "Unaccented Name Search with Postgres and Ecto", "url": "https://peterullrich.com/unaccented-name-search-with-postgres-and-ecto", "published_at": "2023-08-15T10:00:00+00:00" }, { "id": "01a087c0-c83c-722a-a409-56a73e5f5faa", "title": "How malicious libraries can steal all your application secrets", "url": "https://peterullrich.com/how-malicious-libraries-can-steal-all-your-application-secrets", "published_at": "2023-07-22T10:00:00+00:00" }, { "id": "01a087c0-c83c-722a-a409-56a73ebf2904", "title": "Kill your Phoenix Context", "url": "https://peterullrich.com/phoenix-contexts", "published_at": "2023-06-18T10:00:00+00:00" }, { "id": "01a087c0-c83c-722a-a409-56a73f626a89", "title": "Upload Encrypted Files to S3", "url": "https://peterullrich.com/upload-encrypted-files-to-s3", "published_at": "2023-05-07T10:00:00+00:00" }, { "id": "01a087c0-c83c-722a-a409-56a73fa1c681", "title": "Announcing my new Video Course!", "url": "https://peterullrich.com/announcing-my-new-video-course", "published_at": "2023-04-28T10:00:00+00:00" }, { "id": "01a087c0-c83c-722a-a409-56a73fbab650", "title": "Listen to Database Changes with Postgres Triggers and Elixir", "url": "https://peterullrich.com/listen-to-database-changes-with-postgres-triggers-and-elixir", "published_at": "2023-02-12T10:00:00+00:00" }, { "id": "01a087c0-c83c-722a-a409-56a7409c4ab5", "title": "Build dynamic Forms with JSON Schemas", "url": "https://peterullrich.com/build-dynamic-forms-with-json-schemas", "published_at": "2023-01-08T10:00:00+00:00" }, { "id": "01a087c0-c83c-722a-a409-56a7413e106b", "title": "Use Neural Networks in Livebook", "url": "https://peterullrich.com/use-neural-networks-in-livebook", "published_at": "2022-12-10T10:00:00+00:00" }, { "id": "01a087c0-c83c-722a-a409-56a741a93f46", "title": "Build a Roles and Permissions System for Phoenix - Part 2", "url": "https://peterullrich.com/build-a-rap-for-phoenix-part-2", "published_at": "2022-12-05T08:00:00+00:00" }, { "id": "01a087c0-c83c-722a-a409-56a74221920a", "title": "Build a Roles and Permissions System for Phoenix - Part 1", "url": "https://peterullrich.com/build-a-rap-for-phoenix-part-1", "published_at": "2022-12-04T08:00:00+00:00" }, { "id": "01a087c0-c83c-722a-a409-56a74277a96b", "title": "Simulate Latency, Jitter, and Package Loss in Phoenix LiveView", "url": "https://peterullrich.com/simulate-latency-jitter-and-package-loss-in-phoenix-live-view", "published_at": "2022-11-13T10:00:00+00:00" }, { "id": "01a087c0-c83c-722a-a409-56a742adc090", "title": "The Complete Guide to Full-text Search with Postgres and Ecto", "url": "https://peterullrich.com/complete-guide-to-full-text-search-with-postgres-and-ecto", "published_at": "2022-11-06T10:00:00+00:00" }, { "id": "01a087c0-c83c-722a-a409-56a742bcfc0d", "title": "Efficient Name Search with Postgres and Ecto", "url": "https://peterullrich.com/efficient-name-search-with-postgres-and-ecto", "published_at": "2022-10-16T10:00:00+00:00" }, { "id": "01a087c0-c83c-722a-a409-56a7438f70f1", "title": "Prevent overlapping time ranges with Ecto and Postgres", "url": "https://peterullrich.com/prevent-overlapping-schedules-with-ecto-and-postgres", "published_at": "2022-10-09T10:00:00+00:00" }, { "id": "01a087c0-c83c-722a-a409-56a7445da308", "title": "Optimize Ecto's insert_all with Placeholders", "url": "https://peterullrich.com/optimize-ectos-insert-all-with-placeholders", "published_at": "2022-10-01T10:00:00+00:00" }, { "id": "01a087c0-c83c-722a-a409-56a745021c5c", "title": "The complete guide to Upserts with Ecto", "url": "https://peterullrich.com/complete-guide-to-upserts-with-ecto", "published_at": "2022-09-23T10:00:00+00:00" }, { "id": "01a087c0-c83c-722a-a409-56a745d98701", "title": "Organize your tests with context tags", "url": "https://peterullrich.com/exunit-context-tags", "published_at": "2022-09-15T10:00:00+00:00" }, { "id": "01a087c0-c83d-7220-bae4-4777a9a7f150", "title": "Import a CSV into Postgres using Elixir", "url": "https://peterullrich.com/import-csv-into-postgres", "published_at": "2022-07-10T11:01:35+00:00" }, { "id": "01a087c0-c83d-7220-bae4-4777aa741c40", "title": "Simulating Conway's Game of Life with 100.000 Erlang Processes", "url": "https://peterullrich.com/simulating-game-of-life-with-100000-erlang-processes", "published_at": "2021-09-06T15:01:35+00:00" }, { "id": "01a087c0-c83d-7220-bae4-4777ab382bdb", "title": "Set up Livebook on your Raspberry Pi with Nerves", "url": "https://peterullrich.com/using-livebook-with-nerves", "published_at": "2021-08-05T15:01:35+00:00" }, { "id": "01a087c0-c83d-7220-bae4-4777ab83fe67", "title": "Sending text messages from a Raspberry Pi with Nerves", "url": "https://peterullrich.com/sending-text-messages-with-nerves", "published_at": "2021-07-24T06:01:35+00:00" }, { "id": "01a087c0-c83d-7220-bae4-4777ac1be7b3", "title": "How to implement U2F Authentication with Phoenix LiveView", "url": "https://peterullrich.com/uf2-with-phoenix-live-view", "published_at": "2021-05-13T06:01:35+00:00" }, { "id": "01a087c0-c83d-7220-bae4-4777ac8d4dae", "title": "How to deploy a Phoenix project with Fly.io", "url": "https://peterullrich.com/deploy-phoenix-with-flyio", "published_at": "2021-04-11T05:01:35+00:00" }, { "id": "01a087c0-c83d-7220-bae4-4777acb69269", "title": "Your product is not only your \"product", "url": "https://peterullrich.com/your-product-is-not-only-your-product", "published_at": "2021-04-06T05:01:35+00:00" }, { "id": "01a087c0-c83d-7220-bae4-4777ad515ba2", "title": "How to set up a Reverse Proxy with CloudFront, Lambda@Edge and Phoenix", "url": "https://peterullrich.com/reverse-proxy-with-cloudfront", "published_at": "2020-05-26T11:01:35+00:00" }, { "id": "01a087c0-c83d-7220-bae4-4777add38321", "title": "How to set up reoccurring jobs with GitHub Actions", "url": "https://peterullrich.com/setup-recurring-jobs-with-github-actions", "published_at": "2020-05-26T11:01:35+00:00" }, { "id": "01a087c0-c83d-7220-bae4-4777ae8f4211", "title": "From Business Requirements to Production Code", "url": "https://peterullrich.com/from-business-requirments-to-production-code", "published_at": "2020-04-24T11:01:35+00:00" }, { "id": "01a087c0-c83d-7220-bae4-4777af44194c", "title": "State Management with Phoenix LiveView and LiveEx", "url": "https://peterullrich.com/state-management-with-phoenix-live-view", "published_at": "2019-07-31T11:01:35+00:00" }, { "id": "01a087c0-c83d-7220-bae4-4777af58ccae", "title": "Bridge the Gap - Bring your Software to life with Elixir and Nerves", "url": "https://peterullrich.com/rotate-a-flag-with-nerves", "published_at": "2019-07-31T11:01:35+00:00" } ] posts Claim your blog

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2026

Announcing Pushin original ↗

8 Sept 2026

Store your SSH keys in a Password Manager original ↗

8 Jun 2026

What the CVE?original ↗

12 May 2026

A Devcontainer for Elixir original ↗

18 Mar 2026

Monitor SSH Logins with Push Notifications original ↗

14 Mar 2026

2025

Listen to Database Changes through the Postgres WAL original ↗

3 Nov 2025

Binary Pattern Matching in Elixir original ↗

11 Oct 2025

Stop Loading Large Ecto Fields by Default original ↗

3 Oct 2025

Test async work in Elixir with assert_eventually original ↗

5 Feb 2025

Replace Generic UI Copy with Your User's Domain-Specific Terms Using Gettext Domains original ↗

12 Jan 2025

2024

Request Routing and Sticky Sessions in Phoenix on Fly.io original ↗

6 Dec 2024

Parse a Regex with NimbleOptions original ↗

2 Dec 2024

A Bluesky Starter Guide for Elixir Devs original ↗

16 Nov 2024

Easy Mocking in Elixir original ↗

24 Oct 2024

The Saga Pattern in Elixir original ↗

1 Oct 2024

Resurrect your Phoenix Context original ↗

23 Sept 2024

Handle Phoenix Exceptions gracefully original ↗

13 Apr 2024

Distribute your Files Globally with Tigris and Fly.io original ↗

13 Feb 2024

2023

Resize User-provided Images with Cloudflare Images original ↗

23 Dec 2023

Sending Emails with Swoosh and Oban original ↗

17 Dec 2023

Every Ending is a new Beginning original ↗

13 Dec 2023

Test an external, read-only Repository in Phoenix original ↗

11 Nov 2023

Work with Files in Livebook original ↗

6 Nov 2023

Animate a Side Drawer with LiveView.JS original ↗

19 Aug 2023

Unaccented Name Search with Postgres and Ecto original ↗

15 Aug 2023

How malicious libraries can steal all your application secrets original ↗

22 Jul 2023

Kill your Phoenix Context original ↗

18 Jun 2023

Upload Encrypted Files to S3 original ↗

7 May 2023

Announcing my new Video Course!original ↗

28 Apr 2023

Listen to Database Changes with Postgres Triggers and Elixir original ↗

12 Feb 2023

Build dynamic Forms with JSON Schemas original ↗

8 Jan 2023

2022

Use Neural Networks in Livebook original ↗

10 Dec 2022

Build a Roles and Permissions System for Phoenix - Part 2 original ↗

5 Dec 2022

Build a Roles and Permissions System for Phoenix - Part 1 original ↗

4 Dec 2022

Simulate Latency, Jitter, and Package Loss in Phoenix LiveView original ↗

13 Nov 2022

The Complete Guide to Full-text Search with Postgres and Ecto original ↗

6 Nov 2022

Efficient Name Search with Postgres and Ecto original ↗

16 Oct 2022

Prevent overlapping time ranges with Ecto and Postgres original ↗

9 Oct 2022

Optimize Ecto's insert_all with Placeholders original ↗

1 Oct 2022

The complete guide to Upserts with Ecto original ↗

23 Sept 2022

Organize your tests with context tags original ↗

15 Sept 2022

Import a CSV into Postgres using Elixir original ↗

10 Jul 2022

2021

Simulating Conway's Game of Life with 100.000 Erlang Processes original ↗

6 Sept 2021

Set up Livebook on your Raspberry Pi with Nerves original ↗

5 Aug 2021

Sending text messages from a Raspberry Pi with Nerves original ↗

24 Jul 2021

How to implement U2F Authentication with Phoenix LiveView original ↗

13 May 2021

How to deploy a Phoenix project with Fly.io original ↗

11 Apr 2021

Your product is not only your "product original ↗

6 Apr 2021

2020

How to set up a Reverse Proxy with CloudFront, Lambda@Edge and Phoenix original ↗

26 May 2020

How to set up reoccurring jobs with GitHub Actions original ↗

26 May 2020

From Business Requirements to Production Code original ↗

24 Apr 2020

2019

State Management with Phoenix LiveView and LiveEx original ↗

31 Jul 2019

Bridge the Gap - Bring your Software to life with Elixir and Nerves original ↗

31 Jul 2019