https://kazis.dev Software development insights, tutorials, and lessons by Or Kazaz. en Thu, 27 Aug 2026 18:46:21 GMT https://kazis.dev/blogs/remote-claude-code https://kazis.dev/blogs/remote-claude-code Have you ever had an idea but not the time or resources to implement it? That is why I built a Remote AI Development Gateway Or Kazaz Wed, 26 Aug 2026 00:00:00 GMT Linux AI https://kazis.dev/blogs/nano-claw-agent https://kazis.dev/blogs/nano-claw-agent How a NanoClaw-powered personal AI agent cuts through information overload with autonomous research and smart automation. Or Kazaz Tue, 14 Jul 2026 00:00:00 GMT Linux AI https://kazis.dev/blogs/goodbye-ubuntu-hello-fedora https://kazis.dev/blogs/goodbye-ubuntu-hello-fedora After years of using Ubuntu GNOME, I have decided to switch to Fedora KDE Plasma. A Migration to Freedom and Modernity. Or Kazaz Wed, 25 Mar 2026 00:00:00 GMT Linux Fedora Ubuntu https://kazis.dev/blogs/shell-command-nodejs https://kazis.dev/blogs/shell-command-nodejs Handling Node shell commands can be tricky. Should you use Callbacks, manual Promises, or an abstraction layer like Promisify? Or Kazaz Fri, 20 Feb 2026 00:00:00 GMT NodeJS https://kazis.dev/blogs/python-backend-powerups https://kazis.dev/blogs/python-backend-powerups pairwise and batched are two free power-ups that can be used to improve the performance of your Python backend, without much effort. Or Kazaz Fri, 30 Jan 2026 00:00:00 GMT Python Backend FastAPI https://kazis.dev/blogs/playwright-sounds-test https://kazis.dev/blogs/playwright-sounds-test How to test browser audio in Playwright by intercepting HTML5 and Web Audio API calls—ensuring reliable sound tests. Or Kazaz Fri, 02 Jan 2026 00:00:00 GMT Testing Playwright https://kazis.dev/blogs/raycast-for-dev https://kazis.dev/blogs/raycast-for-dev A simple example of how you can leverage Raycast to improve your workflow. Or Kazaz Thu, 04 Dec 2025 00:00:00 GMT General https://kazis.dev/blogs/testing-gh-workflows-locally https://kazis.dev/blogs/testing-gh-workflows-locally If you're working with GitHub Actions and workflows I'm sure you've encountered the pain of testing them. This is the solution for you. Or Kazaz Fri, 14 Nov 2025 00:00:00 GMT DevOps GitHub Actions https://kazis.dev/blogs/dependecy-injection-go https://kazis.dev/blogs/dependecy-injection-go From slow, flaky tests to fast, reliable ones. Using Go's Fx framework to build maintainable and testable services. Or Kazaz Mon, 22 Sep 2025 00:00:00 GMT Go Testing https://kazis.dev/blogs/notebooklm https://kazis.dev/blogs/notebooklm Summarize articles, reports, create mind maps, brainstorm features & generate test cases ideas based on your data using NotebookLM. Or Kazaz Sun, 31 Aug 2025 00:00:00 GMT General AI https://kazis.dev/blogs/playwright-lighthouse-tests https://kazis.dev/blogs/playwright-lighthouse-tests Integrate Lighthouse performance audits into your Playwright test suite for automated performance monitoring and regression testing. Or Kazaz Sun, 24 Aug 2025 00:00:00 GMT Testing Playwright https://kazis.dev/blogs/python-async-logging https://kazis.dev/blogs/python-async-logging Focusing on high performance I/O bound Python Applications? Do not forget Asynchronous logging to prevent bottlenecks in your app. Or Kazaz Fri, 15 Aug 2025 00:00:00 GMT Python Backend https://kazis.dev/blogs/storybook-component-tests https://kazis.dev/blogs/storybook-component-tests Using storybook 7? Having trouble implementing component/interaction testing? This is the guide for you. Or Kazaz Tue, 12 Aug 2025 00:00:00 GMT Testing Storybook https://kazis.dev/blogs/playwright-retry-mechanism https://kazis.dev/blogs/playwright-retry-mechanism Do you have a flaky test that is out of your control? Do you have some functionality you need to apply between retries? This is the tip for you. Or Kazaz Wed, 23 Jul 2025 00:00:00 GMT Testing Playwright https://kazis.dev/blogs/playwright-custom-headers https://kazis.dev/blogs/playwright-custom-headers Target specific API responses with Playwright parallel execution using custom headers for reliable automation. Or Kazaz Wed, 26 Mar 2025 00:00:00 GMT Testing Playwright https://kazis.dev/blogs/the-case-for-and-against-test-id-usage https://kazis.dev/blogs/the-case-for-and-against-test-id-usage In this article, I will discuss the pros and cons of using test-ids in your web applications projects. Or Kazaz Wed, 26 Feb 2025 00:00:00 GMT General Testing https://kazis.dev/blogs/mac-dev-toolkit https://kazis.dev/blogs/mac-dev-toolkit In this blog post I will share some of the tools I use daily on my Mac to improve my productivity and efficiency as a developer. Or Kazaz Wed, 29 Jan 2025 00:00:00 GMT General https://kazis.dev/blogs/python-packages-mono-repo-ci https://kazis.dev/blogs/python-packages-mono-repo-ci In this article i'll share how I handheld the CI/CD in a mono repo with multiple python packages using GitHub Actions. Or Kazaz Tue, 18 Jun 2024 00:00:00 GMT Python DevOps GitHub Actions https://kazis.dev/blogs/lab-as-a-service-dazn https://kazis.dev/blogs/lab-as-a-service-dazn I'm incredibly proud to share the outstanding work our team has accomplished recently in upgrading our testing lab infrastructure. Or Kazaz Thu, 23 May 2024 00:00:00 GMT General Testing AWS Terraform Python JavaScript DevOps Backend FastAPI React NextJS https://kazis.dev/blogs/s3-redirect https://kazis.dev/blogs/s3-redirect Real world example of how to create an S3 bucket with a redirect URL using Cloudfront with Terraform. Or Kazaz Thu, 16 May 2024 00:00:00 GMT DevOps Terraform AWS https://kazis.dev/blogs/msal-next-react https://kazis.dev/blogs/msal-next-react Learn how to integrate Azure AD authentication into your Next.js app using MSAL library for security and user management. Or Kazaz Sun, 05 May 2024 00:00:00 GMT JavaScript React NextJS https://kazis.dev/blogs/lambda-scheduler-eb-tf https://kazis.dev/blogs/lambda-scheduler-eb-tf Schedule your AWS Lambda tasks using Terraform and AWS EventBridge to automate routine tasks and improve efficiency. Or Kazaz Tue, 23 Apr 2024 00:00:00 GMT DevOps Terraform AWS https://kazis.dev/blogs/cors-intro https://kazis.dev/blogs/cors-intro I can assure you that one of the first issues you'll encounter when testing your newly developed product will be CORS. So what is CORS exactly? Or Kazaz Fri, 05 Apr 2024 00:00:00 GMT General https://kazis.dev/blogs/tests-workflow-matrix https://kazis.dev/blogs/tests-workflow-matrix Automate cross-platform testing with GitHub Actions, using dynamic matrices for efficient, targeted tests. Or Kazaz Tue, 13 Feb 2024 00:00:00 GMT Testing DevOps JavaScript NodeJS GitHub Actions https://kazis.dev/blogs/makefiles-in-sw-dev https://kazis.dev/blogs/makefiles-in-sw-dev Makefiles are a cornerstone tool in the software development process, particularly useful for streamlining and automating the build process. Or Kazaz Wed, 24 Jan 2024 00:00:00 GMT General DevOps Python https://kazis.dev/blogs/markdown-linters https://kazis.dev/blogs/markdown-linters Do you have a repo that contains important documentation? Streamline your documentation with Markdown linters to enhance documentation quality. Or Kazaz Wed, 03 Jan 2024 00:00:00 GMT General DevOps GitHub Actions https://kazis.dev/blogs/minimal-cli-appeal https://kazis.dev/blogs/minimal-cli-appeal In continuation to my previous post, I'll show you how to create a minimal and compatible CLI using the Appeal library. Or Kazaz Mon, 18 Dec 2023 00:00:00 GMT Python DevOps https://kazis.dev/blogs/hosted-machines-monitoring https://kazis.dev/blogs/hosted-machines-monitoring Learn how to seamlessly integrate OpenTelemetry Collector Contrib with Coralogix for efficient monitoring of local hosted machines. Or Kazaz Fri, 08 Dec 2023 00:00:00 GMT General DevOps https://kazis.dev/blogs/niceness-linux https://kazis.dev/blogs/niceness-linux Get to know the Linux process priority and Niceness. Or Kazaz Fri, 01 Dec 2023 00:00:00 GMT General Linux https://kazis.dev/blogs/pytest-parametrize https://kazis.dev/blogs/pytest-parametrize I absolutely love using pytest as my go-to testing tool whenever i'm working on a Python project. Pytest Parametrization is one of reasons why. Or Kazaz Mon, 20 Nov 2023 00:00:00 GMT Python Pytest Testing https://kazis.dev/blogs/hamas-is-isis https://kazis.dev/blogs/hamas-is-isis Gaza have nurtured Hamas and its violent radical ideology; Hamas reveled its true agendas and idealogy which is the same as ISIS. Or Kazaz Mon, 16 Oct 2023 00:00:00 GMT https://kazis.dev/blogs/pre-commit https://kazis.dev/blogs/pre-commit Discover how pre-commit hooks streamline workflows, ensure code quality, and simplify collaborations using a real-world example. Or Kazaz Mon, 02 Oct 2023 00:00:00 GMT General git https://kazis.dev/blogs/git-log https://kazis.dev/blogs/git-log By customizing your git log output, you can make your Git logs look exactly the way you want which could make your life easier. Or Kazaz Sun, 24 Sep 2023 00:00:00 GMT General git https://kazis.dev/blogs/ubuntu-lts https://kazis.dev/blogs/ubuntu-lts Using only LTS versions of Ubuntu - The benefits explained. Or Kazaz Thu, 14 Sep 2023 00:00:00 GMT Linux Ubuntu https://kazis.dev/blogs/mypy-integration https://kazis.dev/blogs/mypy-integration I've assigned with a task to integrate MyPy into our Python services. Here's what I've learned so far (and still learning). Or Kazaz Sun, 03 Sep 2023 00:00:00 GMT Python https://kazis.dev/blogs/fastapi-background-tasks https://kazis.dev/blogs/fastapi-background-tasks FastAPI feature for lightweight background tasks (functions) that will run in parallel with your main application. Or Kazaz Thu, 24 Aug 2023 00:00:00 GMT Python FastAPI Backend https://kazis.dev/blogs/my-100daysofcode-journey https://kazis.dev/blogs/my-100daysofcode-journey The 100 days of code is a true challenge. I've decided to take it on and document my journey. Or Kazaz Wed, 16 Aug 2023 00:00:00 GMT General https://kazis.dev/blogs/mocking-node-using-sinon https://kazis.dev/blogs/mocking-node-using-sinon Unit testing and mocking in Node.js with Sinon, get familiar with basic Spies, Stubs, Fakes, and Mocks, concepts. Or Kazaz Wed, 09 Aug 2023 00:00:00 GMT JavaScript NodeJS Testing Sinon https://kazis.dev/blogs/pytest-caplog https://kazis.dev/blogs/pytest-caplog Pytest's built-in caplog fixture to capture log messages is nothing but amazing. Capture logs for unit testing can't get easier Or Kazaz Tue, 01 Aug 2023 00:00:00 GMT Python Pytest Testing https://kazis.dev/blogs/my-qa-manifest https://kazis.dev/blogs/my-qa-manifest As a former QA Engineer/Team Lead/Manager, I've learned a lot about the QA world. Here are my thoughts on what makes an excellent QA team Or Kazaz Sun, 23 Jul 2023 00:00:00 GMT General QA https://kazis.dev/blogs/ubuntu-pacakge-managers-overview https://kazis.dev/blogs/ubuntu-pacakge-managers-overview Get to know APT, Snap, Flatpak, and more. Optimize software installation, updates, and removals in this overview guide Or Kazaz Sun, 16 Jul 2023 00:00:00 GMT Linux Ubuntu https://kazis.dev/blogs/js-api-validation-ajv https://kazis.dev/blogs/js-api-validation-ajv AJV & Json Schema, a generic yet effective method for JavaScript API request validation Or Kazaz Sun, 09 Jul 2023 00:00:00 GMT JavaScript NodeJS Backend https://kazis.dev/blogs/newrelic-fastapi https://kazis.dev/blogs/newrelic-fastapi Enhance your FastAPI application's monitoring with NewRelic. Gain insights and improve performance with very minimal and simple setup steps. Or Kazaz Mon, 03 Jul 2023 00:00:00 GMT Python FastAPI DevOps Backend https://kazis.dev/blogs/typescript-vitest https://kazis.dev/blogs/typescript-vitest I have struggled so badly when it came to testing while using the notorious combination of Node, TypeScript & ES Module. And then I found Vitest Or Kazaz Mon, 26 Jun 2023 00:00:00 GMT TypeScript Vitest Testing https://kazis.dev/blogs/why-you-should-embrace-linux https://kazis.dev/blogs/why-you-should-embrace-linux Linux opens possibilities, ignites curiosity & unlocks potential. For me, switching to a Linux distro resulted with a transition from QA a SW dev Or Kazaz Wed, 21 Jun 2023 00:00:00 GMT General Linux https://kazis.dev/blogs/python-custom-exceptions https://kazis.dev/blogs/python-custom-exceptions Boost your Python code clarity and debuggability with custom exceptions. Explore best practices for crafting and handling them effectively Or Kazaz Mon, 12 Jun 2023 00:00:00 GMT Python https://kazis.dev/blogs/y2kbug https://kazis.dev/blogs/y2kbug Explore the Y2K Bug that threatened global systems at the dawn of the 21st century and understand its impact on software development Or Kazaz Wed, 07 Jun 2023 00:00:00 GMT General https://kazis.dev/blogs/python-schedule https://kazis.dev/blogs/python-schedule Dive into the schedule library through practical examples & a real-life project scenario. Discover how to schedule your Python methods effectively Or Kazaz Mon, 22 May 2023 00:00:00 GMT Python https://kazis.dev/blogs/python-poetry https://kazis.dev/blogs/python-poetry Poetry: Simplify Python dependency management with an intuitive CLI, virtual environments, and seamless packaging & publishing Or Kazaz Sat, 13 May 2023 00:00:00 GMT Python https://kazis.dev/blogs/python-json-methods https://kazis.dev/blogs/python-json-methods Dive into the differences between Python's json module methods: json.load/json.loads & json.dump/json.dumps Or Kazaz Mon, 08 May 2023 00:00:00 GMT Python https://kazis.dev/blogs/cypress-rest-api-testing https://kazis.dev/blogs/cypress-rest-api-testing Most common use cases of Cypress.io are UI & Visual testing. But, employing Cypress for testing REST APIs can also be quite efficient. Or Kazaz Sun, 30 Apr 2023 00:00:00 GMT JavaScript Cypress.io Testing https://kazis.dev/blogs/python-type-checking https://kazis.dev/blogs/python-type-checking Type checking is a thing you do a lot in Python as it can help prevent simple yet frustrating errors that may arise from incorrect variable types. In fact, it was one of the earliest and most lame bug I encountered in my programming journey Or Kazaz Sun, 02 Apr 2023 00:00:00 GMT Python https://kazis.dev/blogs/map-js https://kazis.dev/blogs/map-js The advantages of using Map in JavaScript over other Data Types Or Kazaz Wed, 29 Mar 2023 00:00:00 GMT JavaScript NodeJS https://kazis.dev/blogs/pytest-custom-markers https://kazis.dev/blogs/pytest-custom-markers This is the easiest way to categorize and maximize the flexibility and readability of your testing workflow and results Or Kazaz Mon, 27 Mar 2023 00:00:00 GMT Python Pytest Testing https://kazis.dev/blogs/dotenv https://kazis.dev/blogs/dotenv How can we hide API keys, secrets and passwords in our code, especially if pushing our code to an external repository? How can we run an application locally using these env vars? Or Kazaz Sat, 25 Mar 2023 00:00:00 GMT NodeJS General https://kazis.dev/blogs/middleware-fastapi https://kazis.dev/blogs/middleware-fastapi I try to keep my routes as "clean" as i can, additional logic will be executed via middleware - Here's a small example I did with FastAPI Or Kazaz Thu, 23 Mar 2023 00:00:00 GMT Python FastAPI Backend https://kazis.dev/blogs/js-rewire https://kazis.dev/blogs/js-rewire Unit testing in Node.js can be challenging. After trying various libraries, I found Rewire to be the most practical for testing purposes Or Kazaz Sun, 19 Mar 2023 00:00:00 GMT JavaScript NodeJS Testing Rewire https://kazis.dev/blogs/iperf-test https://kazis.dev/blogs/iperf-test The test that saved my company a significant amount of time and effort - Using two PCB's, RJ45 cable, and the Iperf tool Or Kazaz Sun, 26 Feb 2023 00:00:00 GMT Testing Linux QA