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DevOps

A collection of 40 posts

Streaming database queries to reduce application memory consumption in production

How Streaming Database Queries Helps Reduce Application Memory Consumption

It’s quite common to load the entire data returned by your SQL queries in memory and then process them. This consumes a lot of memory and causes OOM issues in production as your data grows. To add to it, python is already memory hungry. Consider a background job or

Role-based access control architecture with FastAPI and Keycloak

Implement Role-Based Access Control (RBAC) in FastAPI Using Keycloak

Introduction Role-Based Access Control (RBAC) is essential for securing applications. FastAPI is a very popular Python framework and in this blog we simplify the whole setup for you. Implementing RBAC from scratch requires managing user roles, permissions, and access tokens, which adds complexity to your application code. Keycloak centralizes authentication

Liquibase diff vs Hibernate migration comparison for database schema changes

Liquibase Diff Not Working with Hibernate? Here’s What’s Actually Going Wrong (and How to Fix It)

Liquibase diff not working with Hibernate? Learn why schema mismatches happen and how to fix issues in Spring Boot and CI/CD pipelines.

How to Avoid GitHub Token Rate Limiting Issues | Complete Guide for DevOps Teams

How to Avoid GitHub Token Rate Limiting Issues | Complete Guide for DevOps Teams

Fix GitHub API rate limit errors in CI/CD pipelines. Learn how to avoid 403 errors using tokens, caching, and GitHub Apps with real DevOps solutions.

Alpine vs Ubuntu Docker container network performance benchmark comparison

alpine vs ubuntu

Stop Debating Alpine vs Ubuntu — We Measured It (20% Faster Network Calls)

We tested Alpine vs Ubuntu performance with real benchmarks. Alpine delivers ~20% faster network calls. See results and when to use each.

Wait4X service readiness checker for DevOps deployment pipelines

Wait4X: The Elegant Service Readiness Notifier for DevOps

Introduction In modern container-based architectures, one challenge is ensuring that services are ready before their dependencies attempt to use them. Wait4X is a handy CLI tool which solves this problem with a simple notification system. What Makes Wait4X Special? Unlike complex monitoring tools, Wait4X does one thing extremely well -

Six common Prometheus monitoring mistakes and how to fix them

6 Things You’re Probably Doing Wrong in Prometheus Monitoring

Prometheus is an incredibly powerful tool for monitoring your systems. Its flexible data model and expressive query language, PromQL, make it one of the most popular choices in the observability world. But — that flexibility comes at a cost. When you're just starting out with Prometheus, it's

Jenkins vs GitHub Actions choosing the right CI/CD tool for your workflow

Jenkins or GitHub Actions? Deciding the Right CI/CD Tool for Your Workflow

Introduction Continuous Integration and Delivery is a key part of any software application. Be it a mobile app, a backend app or a website - everything requires CI/CD to make things easier for everyone. From testing and building code to deploying it across environments, CI/CD tools help simplify