Ranjan

Introduction to Architecture & Core Concepts Woodpecker CI is a highly efficient, community-driven Continuous Integration engine forked from the Drone CI project. Operating entirely on Docker, Woodpecker utilizes a Server/Agent architecture. The server manages webhooks and the UI, while ephemeral agents execute the actual build pipelines inside isolated Docker containers. This ensures completely reproducible builds … Read more

Introduction to Architecture & Core Concepts Caddy is a modern, enterprise-ready web server written in Go. Its defining feature is absolutely frictionless, automatic HTTPS. By default, Caddy autonomously provisions, renews, and manages TLS certificates via Let’s Encrypt and ZeroSSL using the ACME protocol, eliminating the need for cron jobs or external certbot dependencies. Its architecture … Read more

Introduction to Architecture & Core Concepts Netdata is a radically distributed, high-fidelity infrastructure monitoring agent. Unlike traditional polling solutions like Prometheus that scrape metrics every 15 seconds, Netdata collects thousands of granular metrics per second per node with absolutely minimal CPU footprint (typically < 1%). Written in highly optimized C, it utilizes raw eBPF (Extended … Read more

Introduction to Architecture & Core Concepts SonarQube is a leading static application security testing (SAST) and code quality inspection platform. It continuously inspects your CI/CD pipelines for bugs, vulnerabilities, and code smells across more than 30 programming languages. Operating SonarQube involves managing a robust Java application tier supported by a PostgreSQL database for metadata storage, … Read more

Introduction to Architecture & Core Concepts Verdaccio is a lightweight, zero-configuration required private npm registry. For development teams, publishing proprietary Node.js packages to the public NPM registry poses severe intellectual property risks. Verdaccio acts as a caching proxy and a private storage engine. It intercepts npm install requests, serving private internal packages directly while proxying … Read more

Introduction to Architecture & Core Concepts Apache Kafka is an enterprise-grade distributed event streaming platform capable of handling trillions of events a day. Originally developed at LinkedIn, Kafka enables decoupling of microservices via asynchronous pub/sub messaging patterns, log aggregation, and real-time stream processing. Modern Kafka deployments utilize KRaft (Kafka Raft metadata mode), eliminating the legacy … Read more

Introduction to Architecture & Core Concepts Plausible Analytics is an open-source, privacy-focused alternative to Google Analytics. It avoids cookie banners and GDPR consent modals by anonymizing tracking data. Self-hosting Plausible grants you total data sovereignty. This architecture relies on an Elixir-based backend, a PostgreSQL database for user state, and a ClickHouse columnar database optimized for … Read more