TL;DR conflict: unable to remove repository reference ... container <id> is using its referenced image means a container still points at that image. Remove the container first, then the image: docker rm -f <container> and docker rmi <image>. Stopped containers count too. docker ps shows nothing, but …

Sometimes you must clean up your disk so that you can download the docker image and run it. But if you do not have sufficient space available on your disk then you might end up with the error no space left on device. In this blog, we are going to see a number of ways to fix this error because I had this issue many …

Terraform Dynamic Block is important when you want to create multiple resources inside of similar types, so instead of copy and pasting the same terraform configuration in the terraform file does not make sense and it is not feasible if you need to create hundreds of resources using terraform. If we describe terraform …

Working in the AWS cloud is always fun until you are not paying your AWS bills from your pocket. Being a developer we work on our developer machine and we do not much worry much about resources(CPU, Memory, and Disk space) because nowadays developer machines (Laptops/desktops) are very powerful. Apart from the initial …

When working with collection variables in Terraform, you must understand the three ways to loop - count, for_each and the for expression. If you don't, going through a list, map or set of anything (users, subnets, security group rules) is painful, and worse, you will eventually hit the trap where removing one item …

Docker container always works in isolation from host machine. But sometimes you need to connect localhost(host machine) from your docker container to perform certain tasks. In this article we are going to look - How to access the host machine from docker conatiner? There are different ways to achieve - Using default …

In this article we are going to look on terraform output values. Terraform output values will be really useful when you want to debug your terraform code. Terraform output values can help you to print the attributes reference(arn, instance_state, outpost_arn, public_ip, public_dns etc) on your console. The typical …

Helm Chart is a very feature-rich framework when you are working with complex Kubernetes cluster and deployment. Helm chart provides a very convenient way to pass values.yaml and use it inside your Helm Chart. But for this article, we will focus on - How to create multiple values files inside the helm chart? Click on …

In this article we are going to troubleshoot an issue related to Terraform and AWS. This is occurs when you are trying to use your Old or expired - Access keys (access key ID and secret access key) of your aws account. You are error should look like - Error: error configuring Terraform AWS Provider: error validating …

Working with terraform can tricky sometime and specially if you are working with cloud service provider such as Google Cloud Platform. I have faced the following issue while I was working with my first Terrafrom project with Google Cloud. Error Invalid function argument on main.tf line 2, in provider google …