Create excel sheets using openpyxl in python — Introduction: I was recently tasked with dealing excel sheets programmatically. The moment I googled for python libraries for excel, I got 2 predominant search results. openpyxl xlsxwriter I was torn between these 2 libraries as both were equally good. Only when I started writing the code did I realise the essence…

A basic introduction to the k8s ecosystem. — Kubernetes is an open-source system for automating deployment, scaling, and management of containerized applications. Kubernetes is an orchestration system to deploy and manage containers A little history: Kubernetes was started as an internal project called “Borg” at google because its infrastructure demanded an extremely high-level of scalability like never seen before. …

Automate your fluentd installation on ubuntu using ansible — Ansible: Ansible® is an open source, command-line IT automation software application written in Python. It can configure systems, deploy software, and orchestrate advanced workflows to support application deployment, system updates, and more. In my opinion, the strength of ansible is its simplicity and the ability to provide an orchestration workflow.i.e …

Configure and install Fluentd for your Python application logging — Introduction: The craze for analytics seems to be substantially growing. This means the significance of data has sky-rocketed like never before. I’d personally consider logging mechanism as a predominant contributor for data monitoring, analysis, debugging and last but not least identifying data patterns. Let’s take an example of a VM running…

Forward syslogs from Docker container to a remote server — Introduction: This is a follow-up post for writing syslog using python. In my previous article, we discussed on how to write syslog to a local host using python. We have also walked through what a syslog is and its internal workflow. …

Write syslogs using python logging module — Introduction: Logs are nothing but record of events happened in a timeline. They are crucial as they help any programmer understand the series of events happened during the execution.A code that has good log statements help decrease the debugging time and narrow down the issue quickly. Python’s `logging` module is used…

Understanding quorum consensus to design your distributed database systems — Introduction: Every system design interview has a question of “how to optimise” given a specific scenario. Not a single design interview escapes this paradigm.Optimisation doesn’t necessarily mean giving a “one-size fits all” solution. Well! technically, such a solution doesn’t exist. We propose a solution, analyse it’s trade-offs for the given use-case…

Decoding jwt using public key in python — Introduction: JSON Web Token (JWT) is a compact, URL-safe means of representing claims to be transferred between two parties. The claims in a JWT are encoded as a JSON object that is used as the payload of a JSON Web Signature (JWS) structure or as the plaintext of a JSON Web Encryption…

Understanding app dependency overrides attribute in FastAPI — Introduction: This post explains how to mock your API dependencies while testing. While creating routes in fastapi, we usually add dependencies for various reasons. To name a few, decoding a jwt token or parsing a request body. Using dependencies makes your code more readable and concise. If you’re new to fastapi…