--- title: "Chinna Reddy (@chinna15) | Hashnode" description: "Chinna Reddy (@chinna15) writes on Hashnode. Read their latest articles and follow their work." url: "https://hashnode.com/@chinna15" --- @chinna15 # Chinna Reddy @chinna15 · Joined September 2025 ### [Provision AWS EC2 Using Terraform: Key Pair, Security Group & Best Practices](https://terrafom.hashnode.dev/provision-aws-ec2-using-terraform-key-pair-security-group-and-best-practices?utm_source=hashnode&utm_medium=feed) In the previous blog, we understood Terraform fundamentals and workflow. Now it’s time to provision real infrastructure. In this blog, we will: Generate SSH key using ssh-keygen Upload public key to AWS using Terraform Create a Security Group Lau... 4 min read · [terrafom.hashnode.dev](https://terrafom.hashnode.dev/provision-aws-ec2-using-terraform-key-pair-security-group-and-best-practices?utm_source=hashnode&utm_medium=feed) [Feb 11](https://hashnode.com/posts/provision-aws-ec2-using-terraform-key-pair-security-group-and-best-practices/698c4f29e22e080c7f87f985) ### [Dockerfile Deep Dive: Build Your Own Docker Images Like a Pro](https://dockercontainerization-tool.hashnode.dev/dockerfile-deep-dive-build-your-own-docker-images-like-a-pro?utm_source=hashnode&utm_medium=feed) So far, we’ve been running containers using existing images like nginx and ubuntu.But in real-world DevOps, you won’t just run images — you’ll build your own images. That’s where Dockerfile comes in. A Dockerfile tells Docker: What OS to use What d... 4 min read · [dockercontainerization-tool.hashnode.dev](https://dockercontainerization-tool.hashnode.dev/dockerfile-deep-dive-build-your-own-docker-images-like-a-pro?utm_source=hashnode&utm_medium=feed) [Feb 11](https://hashnode.com/posts/dockerfile-deep-dive-build-your-own-docker-images-like-a-pro/698c2782987a988fc04ad2cf) ### [Terraform for DevOps Engineers: Foundations, Workflow & Real-World Mindset](https://terrafom.hashnode.dev/terraform-for-devops-engineers-foundations-workflow-and-real-world-mindset?utm_source=hashnode&utm_medium=feed) Introduction In modern DevOps, manual infrastructure creation is a liability. Clicking resources in the AWS console may work for learning, but it completely breaks down when you need: Repeatability Version control Team collaboration Scalability ... 3 min read · [terrafom.hashnode.dev](https://terrafom.hashnode.dev/terraform-for-devops-engineers-foundations-workflow-and-real-world-mindset?utm_source=hashnode&utm_medium=feed) [Feb 10](https://hashnode.com/posts/terraform-for-devops-engineers-foundations-workflow-and-real-world-mindset/698ac61b8c0ca80b698ddea6) ### [Essential Docker Commands with Examples](https://dockercontainerization-tool.hashnode.dev/essential-docker-commands-with-examples?utm_source=hashnode&utm_medium=feed) Docker Image Commands 🔹 docker pull – Download an Image Pulls an image from Docker Hub. docker pull nginx This downloads the official nginx image locally. docker images – List Images docker images Shows all images available on your system. 🔹 doc... 3 min read · [dockercontainerization-tool.hashnode.dev](https://dockercontainerization-tool.hashnode.dev/essential-docker-commands-with-examples?utm_source=hashnode&utm_medium=feed) [Feb 10](https://hashnode.com/posts/essential-docker-commands-with-examples/698aad40d751ea83f2fa525d) ### [Docker Installation & Architecture: How Docker Works Internally](https://dockercontainerization-tool.hashnode.dev/docker-installation-and-architecture-how-docker-works-internally?utm_source=hashnode&utm_medium=feed) Installing Docker Install Docker on Linux (Ubuntu) sudo apt update sudo apt install docker.io -y Start and enable Docker service: sudo systemctl start docker sudo systemctl enable docker Docker Architecture Overview Docker uses a Client–Server archit... 2 min read · [dockercontainerization-tool.hashnode.dev](https://dockercontainerization-tool.hashnode.dev/docker-installation-and-architecture-how-docker-works-internally?utm_source=hashnode&utm_medium=feed) [Feb 9](https://hashnode.com/posts/docker-installation-and-architecture-how-docker-works-internally/69897e9445c6edca15a36acc)