https://tomaschudjak.com/Recent content on Tomas ChudjakHugoen-usSun, 07 Jun 2026 12:00:00 +0200https://tomaschudjak.com/programming/gnoseed-flashcard-app-with-spaced-repetition/Sun, 07 Jun 2026 12:00:00 +0200https://tomaschudjak.com/programming/gnoseed-flashcard-app-with-spaced-repetition/The story behind Gnoseed — a flashcard quiz app with spaced repetition that runs entirely in the browser and offline. Built with Nuxt 4, Tailwind CSS 4, DaisyUI 5, and IndexedDB.https://tomaschudjak.com/chess/spring-tournaments-in-2026/Tue, 12 May 2026 10:00:00 +0200https://tomaschudjak.com/chess/spring-tournaments-in-2026/First official ELO 1608 in rapid chess — 4 tournaments, 30 rounds, and the hard lesson that psychology beats preparation.https://tomaschudjak.com/programming/ai-first-task-tracker-kleidi-task/Sun, 03 May 2026 12:00:00 +0200https://tomaschudjak.com/programming/ai-first-task-tracker-kleidi-task/The story behind Kleidi Task — a local-first task tracker built in Go, where Claude, Cursor and Copilot are the primary interface for working with tasks.https://tomaschudjak.com/programming/order-coffee-via-claude-mcp/Sun, 18 Jan 2026 10:00:00 +0100https://tomaschudjak.com/programming/order-coffee-via-claude-mcp/Order whole-bean coffee through Claude. I built an MCP server that surfaces our coffee catalog right inside the chat with an AI agent — no more clicking around websites.https://tomaschudjak.com/chess/from-1500-to-2300-starting-chess-at-37/Fri, 16 Jan 2026 10:00:00 +0200https://tomaschudjak.com/chess/from-1500-to-2300-starting-chess-at-37/Can you start playing chess at a higher level at 37? My journey to get to the ELO 2300.https://tomaschudjak.com/all-posts/aws/create-self-hosted-macos-github-runner/Sat, 05 Apr 2025 11:50:00 +0200https://tomaschudjak.com/all-posts/aws/create-self-hosted-macos-github-runner/Troubleshoot of how to create and configure macos EC2 instance for Github actions.https://tomaschudjak.com/programming/create-self-hosted-macos-github-runner/Sat, 05 Apr 2025 11:50:00 +0200https://tomaschudjak.com/programming/create-self-hosted-macos-github-runner/Troubleshoot of how to create and configure macos EC2 instance for Github actions.https://tomaschudjak.com/all-posts/aws/create-jenkins-agents-with-ecs/Sun, 09 Jul 2023 11:50:00 +0200https://tomaschudjak.com/all-posts/aws/create-jenkins-agents-with-ecs/AWS SSM Run Command utility is a great tool to run and execute scripts at single or multiple instances simultaneously without SSH.https://tomaschudjak.com/programming/create-jenkins-agents-with-ecs/Sun, 09 Jul 2023 11:50:00 +0200https://tomaschudjak.com/programming/create-jenkins-agents-with-ecs/AWS SSM Run Command utility is a great tool to run and execute scripts at single or multiple instances simultaneously without SSH.https://tomaschudjak.com/all-posts/aws/how-to-fix-replication-lag-at-aws-rds-mysql-replica/Mon, 12 Jun 2023 11:50:00 +0200https://tomaschudjak.com/all-posts/aws/how-to-fix-replication-lag-at-aws-rds-mysql-replica/Our replication lag went up to more than 18000 seconds. It started to produce serious issues for data analytics. Here’s how we fixed ithttps://tomaschudjak.com/programming/how-to-fix-replication-lag-at-aws-rds-mysql-replica/Mon, 12 Jun 2023 11:50:00 +0200https://tomaschudjak.com/programming/how-to-fix-replication-lag-at-aws-rds-mysql-replica/Our replication lag went up to more than 18000 seconds. It started to produce serious issues for data analytics. Here’s how we fixed ithttps://tomaschudjak.com/all-posts/gists/facebook-share-thumbnails-nuxt-spa-aws-cloudfront/Wed, 04 Jan 2023 11:50:00 +0200https://tomaschudjak.com/all-posts/gists/facebook-share-thumbnails-nuxt-spa-aws-cloudfront/I tried to generate Facebook previews for a static Nuxt SPA website with dynamic content hosted at AWS Cloudfront. Here’s how I did it.https://tomaschudjak.com/programming/facebook-share-thumbnails-nuxt-spa-aws-cloudfront/Wed, 04 Jan 2023 11:50:00 +0200https://tomaschudjak.com/programming/facebook-share-thumbnails-nuxt-spa-aws-cloudfront/I tried to generate Facebook previews for a static Nuxt SPA website with dynamic content hosted at AWS Cloudfront. Here’s how I did it.https://tomaschudjak.com/all-posts/gists/aws-cloudfront-invalidation-script/Sat, 09 Jul 2022 13:19:21 +0000https://tomaschudjak.com/all-posts/gists/aws-cloudfront-invalidation-script/Invalidation script for AWS Cloudfront with waiting method to get status when invalidation finished.https://tomaschudjak.com/programming/aws-cloudfront-invalidation-script/Sat, 09 Jul 2022 13:19:21 +0000https://tomaschudjak.com/programming/aws-cloudfront-invalidation-script/Invalidation script for AWS Cloudfront with waiting method to get status when invalidation finished.https://tomaschudjak.com/all-posts/nuxt/solving-chunk-load-error-in-safari/Sun, 19 Dec 2021 11:55:00 +0200https://tomaschudjak.com/all-posts/nuxt/solving-chunk-load-error-in-safari/I faced and solve two issues in nuxt.js: Invalid regular expression: invalid group specifier name and ChunkLoadError: Loading chunk failedhttps://tomaschudjak.com/programming/solving-chunk-load-error-in-safari/Sun, 19 Dec 2021 11:55:00 +0200https://tomaschudjak.com/programming/solving-chunk-load-error-in-safari/I faced and solve two issues in nuxt.js: Invalid regular expression: invalid group specifier name and ChunkLoadError: Loading chunk failedhttps://tomaschudjak.com/all-posts/aws/execute-remote-scripts-with-aws-runcommand/Mon, 22 Feb 2021 11:50:00 +0200https://tomaschudjak.com/all-posts/aws/execute-remote-scripts-with-aws-runcommand/AWS SSM Run Command utility is a great tool to run and execute scripts at single or multiple instances simultaneously without SSH.https://tomaschudjak.com/programming/execute-remote-scripts-with-aws-runcommand/Mon, 22 Feb 2021 11:50:00 +0200https://tomaschudjak.com/programming/execute-remote-scripts-with-aws-runcommand/AWS SSM Run Command utility is a great tool to run and execute scripts at single or multiple instances simultaneously without SSH.https://tomaschudjak.com/all-posts/gists/aws-cognito-token-validation-with-go/Wed, 06 May 2020 11:50:00 +0200https://tomaschudjak.com/all-posts/gists/aws-cognito-token-validation-with-go/Example of JWT validation of AWS Cognito with Go backend.https://tomaschudjak.com/programming/aws-cognito-token-validation-with-go/Wed, 06 May 2020 11:50:00 +0200https://tomaschudjak.com/programming/aws-cognito-token-validation-with-go/Example of JWT validation of AWS Cognito with Go backend.https://tomaschudjak.com/all-posts/gists/vscode-task-to-upload-hugo-to-s3/Sat, 02 May 2020 11:50:00 +0200https://tomaschudjak.com/all-posts/gists/vscode-task-to-upload-hugo-to-s3/Little VSCode helper task I use to upload public/ folder to s3 bucket.https://tomaschudjak.com/programming/vscode-task-to-upload-hugo-to-s3/Sat, 02 May 2020 11:50:00 +0200https://tomaschudjak.com/programming/vscode-task-to-upload-hugo-to-s3/Little VSCode helper task I use to upload public/ folder to s3 bucket.https://tomaschudjak.com/all-posts/web/hugo-theme-monica/Fri, 01 May 2020 11:55:00 +0200https://tomaschudjak.com/all-posts/web/hugo-theme-monica/Blog theme created for Hugo static site generator. Let me know if you try it.https://tomaschudjak.com/programming/hugo-theme-monica/Fri, 01 May 2020 11:55:00 +0200https://tomaschudjak.com/programming/hugo-theme-monica/Blog theme created for Hugo static site generator. Let me know if you try it.