Posts

Go’s net/http package is a powerful and versatile library for building HTTP clients and servers. It provides a robust set of tools for handling HTTP requests and responses, making it an essential component for web development in Go. This article will dive deep into the net/http package, exploring its core concepts, key features, and practical applications. Overview of the net/http Package: The net/http package is part of Go’s standard library and offers a high-level interface for HTTP client and server implementations. It abstracts away many of the complexities involved in network communication, allowing developers to focus on application logic rather than low-level network details. ...

When dealing with massive datasets in PostgreSQL, efficiency becomes crucial. Recently, I faced a challenge while inserting 20 million records into a database while working on one of my hobby projects. This experience led me to explore various optimization techniques, from query optimization to server configuration tweaks. The Journey from INSERT to COPY Initially, I used the traditional INSERT approach, which proved to be excruciatingly slow, taking hours to complete. This prompted me to search for a more efficient solution, leading me to the COPY command. ...

In the realm of containerized applications, particularly those orchestrated with Docker, developers often encounter a subtle yet critical challenge: managing the startup sequence of interdependent services. One of the most common and potentially problematic scenarios is the race condition that can occur between a database container and an application container. This article will provide an in-depth exploration of this race condition, with a focus on Go-based applications, and offer strategies to mitigate it effectively. ...

Before starting, lets visualize a illustration how it works User initiates a request to a web application hosted on a cluster server. DNS resolution directs the user to Cloudflare. Cloudflare acts as a reverse proxy, terminating the SSL/TLS connection and initiating a tunnel to the Nginx ingress controller in the Kubernetes cluster. The Nginx ingress controller routes the request based on the Host header to the appropriate service within the cluster. The service distributes traffic across pods running the application. A selected pod processes the request and generates a response. The response travels back through the Nginx ingress controller, Cloudflare tunnel, and finally to the user’s device. ...