Master the Sidecar Pattern in Kubernetes to elegantly manage cross-cutting concerns such as logging, service mesh proxying, and dynamic configuration reloads. This in-depth guide features real-world use cases and a hands-on Flask-based implementation to enhance modularity in cloud-native architectures

This guide explains how to create a custom Bitbucket Pipe, define its metadata in pipe.yml, write the Dockerfile and entry script, and integrate it into Bitbucket Pipelines. It also covers testing the Pipe locally and publishing it for reuse in CI/CD workflows.

This guide walks through creating a custom GitHub Action, testing it locally, and publishing it to GitHub Marketplace. It covers setting up the repository, writing the action.yml, Dockerfile, and entry script, and running a workflow to test it. Finally, it explains how to publish and verify the action on GitHub Marketplace.

An easy-to-follow guide for setting up a secure and reliable mail server using Docker Mailserver. This repository provides a complete Docker Compose configuration, environment settings, and instructions for configuring DKIM, SPF, and other essential features for managing your own mail server

This blog post explores the critical role of the X-Forwarded-For and X-Real-Ip headers in accurately identifying client IPs behind proxies and load balancers. It delves into the Traefik Real IP Plugin, which ensures that the X-Real-Ip header reflects the true client IP address, mitigating IP spoofing attacks. The post provides detailed steps for setting up the plugin in local mode, enabling developers to test and deploy custom plugins effectively. It includes configuration examples and emphasizes how the plugin strengthens web application security defenses against spoofing and other security threats.

This blog post explores how attackers exploit the X-Forwarded-For header to bypass rate limiting, detailing the underlying reasons for this vulnerability and providing strategies to mitigate it. It highlights the importance of validating client IPs and offers practical solutions for strengthening your web application's defenses.

SonarQube-with-postinstall-automation is a repository providing Docker-based setup for SonarQube along with an automated post-install script. It simplifies the process of deploying SonarQube instances while automating essential configuration tasks like password changes, project creation, token generation, and quality gate setup

This Docker repository hosts a versatile Python script (on-change.py) designed for development environment automation. The script enables automated actions based on file modifications, including triggering dev deployment through Docker, avoiding the need for continuous integration and continuous deployment (CI/CD) in a local development setup

Compose GitOps is a tool designed to automate the deployment and synchronization of Docker Compose-based applications from multiple Git repositories. It leverages Docker Compose for managing multi-container Docker applications and Git for version control. This tool is especially useful for orchestrating deployments in a GitOps workflow.