Performance monitoring and alerting are very crucial to measure the performance metrics of an application running in a production environment. In this blog post, we are going to talk about two popular open-source tools Prometheus and Grafana. This blog post is aimed at anyone who is trying to learn Prometheus and …

I had an issue while I was trying to setup Remote S3 bucket for storing Terraform state file. The issue faced is error configuring S3 Backend no valid credential sources for S3 Backend found. After spending some time on my local terraform setup and AWS CLI configuration I realised that my AWS CLI was using incorrect …

To give you a little background on the Vagrant NFS shared folder issue which I have struggled with this issue for almost a week before I found the root cause of the problem. Here is the vagrant's mount.nfs:connection timed out error 1default: Mounting NFS shared folders... 23The following SSH command responded with a …

GitHub has recently announced their migration to use token-based authentication which means you can no longer use your username and password for GtiHub authentication. You need to create personal access token to continue use of your GitHub Repository. Here is my private GitHub repository which I was trying to clone and …

Note - This Kubernetes Cheat sheet is really long and detailed. I would highly recommend to use CTRL+F from the browser to search for the specific command. Table Of Content Pods Deployments Port Forwarding Service Nodes Namespace Service Accounts Documentation Describing Resources Editing Resources Deleting Resources …

Terraform state is the backbone of your terraform project for provisioning your cloud infrastructure. When you work on large infrastructure provisioning with Terraform then it is always more than one developer or team of a developer working on the same terraform project. The problems arise when two developers try to …

When writing a Dockerfile or docker-compose.yml you often need to rely on the ENVIRONMENT variable and there could be many reasons behind it, for example - If your container is using Python then you might wanna rely on the Python version which is set into the host machine's environment variable. another use case could …

Terraform has its backbone known as terraform.tfstate file any change you do with your infrastructure will have its presence in the terraform.tfstate file. So when you work with Terraform for managing and provisioning your infrastructure then terraform will always create a terraform.tfstate file for you. In this blog …

The Docker failed to compute cache key error is result of docker buildcommand which is executed on a directory where the Dockefile is not present. I had this issue when I was working with one of my project on my windows laptop and my directory structure looked like this - 1\parent-directory 2- test-file-1.py 3- …

This blog post will address how to fix the docker issue EADDRINUSE (PORT or ADDRESS already in use). Here is a little error snapshot which I have taken from my docker container which I was aiming to run on port 1313 but unfortunately the port is already occupied by some other process. 1docker: Error response from …