https://denisakp.me Cloud-native, DevOps, SRE, and distributed systems. en Fri, 29 May 2026 17:08:03 GMT https://denisakp.me/blog/security/introducing-obscura https://denisakp.me/blog/security/introducing-obscura Sun, 13 Apr 2025 00:00:00 GMT From interview challenge to open-source tool, to building a secure password generator with real entropy in mind. Security Open Source https://denisakp.me/blog/devops/backup-and-restore-mongodb-in-docker-environment https://denisakp.me/blog/devops/backup-and-restore-mongodb-in-docker-environment Thu, 18 Jul 2024 00:00:00 GMT How to create a full backup of a MongoDB database running in a Docker container and restore the backup to a new MongoDB container. MongoDB Docker Docker-compose Backup Restore devops docker mongodb https://denisakp.me/blog/devops/set-up-mongodb-replica-with-docker https://denisakp.me/blog/devops/set-up-mongodb-replica-with-docker Wed, 17 Jul 2024 00:00:00 GMT How to set up a 3-node MongoDB replica set cluster using Docker Compose. Learn about MongoDB replica sets, prerequisites, and steps to create a Docker Compose file to set up the replica set. MongoDB Replica-Set Docker Docker-compose devops docker mongodb https://denisakp.me/blog/devops/deploy-expressjs-api-using-docker https://denisakp.me/blog/devops/deploy-expressjs-api-using-docker Thu, 11 Apr 2024 00:00:00 GMT How to deploy Express.js RESTFull API using Docker, with a focus on MongoDB performance, docker multi-stage builds, Jest for testing, and Nginx as a reverse proxy. Express.JS API Node.js Mongo CI/CD Docker backend devops https://denisakp.me/blog/cloud/aws/how-i-passed-clf-exam https://denisakp.me/blog/cloud/aws/how-i-passed-clf-exam Thu, 09 Nov 2023 00:00:00 GMT Follow my journey to AWS Cloud Practitioner Certification—an exploration of cloud concepts, exam success, and the boundless opportunities in the world of AWS. AWS Certification cloud https://denisakp.me/blog/backend/nest-js/unlocking-the-power-of-relationships-with-typeorm https://denisakp.me/blog/backend/nest-js/unlocking-the-power-of-relationships-with-typeorm Wed, 18 Oct 2023 00:00:00 GMT Unlock the Power of Data Relationships with NestJS, TypeORM, and SQL Databases. Master the art of building complex data structures and seamless interactions. Ideal for both seasoned NestJS developers and beginners looking to create cutting-edge apps Nest-JS Mirco-service API nest-js backend https://denisakp.me/blog/backend/nest-js/conecting-nestjs-to-postgres-database https://denisakp.me/blog/backend/nest-js/conecting-nestjs-to-postgres-database Wed, 06 Sep 2023 00:00:00 GMT Learn the Essential Steps to Master NestJS and Leverage TypeORM for Robust Database Connectivity in Your Projects. Nest-JS Mirco-service API backend nest-js https://denisakp.me/blog/backend/nest-js/understanding-services-modules-and-controllers https://denisakp.me/blog/backend/nest-js/understanding-services-modules-and-controllers Sun, 03 Sep 2023 00:00:00 GMT Learn about the essential components of NestJS for building scalable server-side apps. Examine the functions of services, modules, and controllers while using the capabilities of DTOs (Data Transfer Objects) for data validation and increased security. Nest-JS Mirco-service API nest-js backend https://denisakp.me/blog/backend/nest-js/introducing-nest-js https://denisakp.me/blog/backend/nest-js/introducing-nest-js Wed, 23 Aug 2023 00:00:00 GMT Explore NestJS, a modern Node.js framework, in this comprehensive introduction. Join our series to master modular architecture, controllers, providers, services, and more. Build scalable backend applications with confidence. Welcome to Part 1 of the NestJS Series! Nest-JS Mirco-service API nest-js backend https://denisakp.me/blog/dsa/buble-sort https://denisakp.me/blog/dsa/buble-sort Wed, 09 Aug 2023 00:00:00 GMT Dive into the fundamentals of the bubble sort algorithm in Python and unravel a straightforward approach to sorting. This post guides you through the inner workings of bubble sort, showcases hands-on code examples, and highlights its strengths and limitations for practical use. Algorithms dsa https://denisakp.me/blog/dsa/insertion-sort https://denisakp.me/blog/dsa/insertion-sort Thu, 06 Jul 2023 00:00:00 GMT Discover the power of the insertion sort algorithm in Python and learn how to efficiently sort lists for improved data organization. Explore step-by-step implementation, practical examples, and tips for optimizing sorting performance. Algorithms dsa https://denisakp.me/blog/dsa/quick-sort https://denisakp.me/blog/dsa/quick-sort Thu, 06 Jul 2023 00:00:00 GMT Dive into the world of sorting data structure algorithms with our in-depth guide on the Quick Sort algorithm in Python. Learn the inner workings of this efficient sorting technique, step by step. Explore implementation strategies, best practices, and performance optimization tips for seamless integration into your projects Algorithms dsa