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Feb 11 · 4 min read · 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...
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Feb 11 · 4 min read · 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...
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Feb 10 · 3 min read · 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 ...
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Feb 10 · 3 min read · 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...
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Feb 9 · 2 min read · 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...
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