Mar 30
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🚀 Docker App Not Accessible on EC2? Let’s Fix It Step-by-Step! In this video, we deploy a FastAPI application using Docker on AWS EC2 — but even after everything looks correct, the app is NOT accessible from the browser. Sounds familiar? 😅 Don’t worry — this is one of the most common DevOps issues beginners face. 👉 In this hands-on demo, we: * Deploy a FastAPI app inside a Docker container * Run it on an EC2 instance from scratch * Debug why the application is NOT accessible * Fix multiple real-world issues step by step 🔥 What you’ll learn: * Why your Docker app is not accessible externally * Difference between 127.0.0.1 vs 0.0.0.0 * What EXPOSE actually does (and what it DOESN’T) * Docker port mapping (-p 8000:8000) explained * AWS Security Group configuration (real fix) * How to debug issues like a real DevOps engineer 💡 This video is perfect for: * Beginners in DevOps / Cloud * Anyone learning Docker, FastAPI, or AWS EC2 * Developers struggling with deployment issues ⚠️ If your app works locally but fails on server — this video is for you. --- 📌 Tech Stack: * FastAPI * Docker * AWS EC2 * Uvicorn --- 👉 If this helped you, consider subscribing to Discover Newton for more real-world DevOps content! #Docker #DevOps #AWS #EC2 #FastAPI #Debugging #CloudComputing docker app not accessible docker ec2 not working aws ec2 docker deployment fastapi docker aws docker port mapping explained uvicorn host 0.0.0.0 ec2 security group fix docker container not accessible fastapi deployment aws devops real world problems docker networking issue aws ec2 beginner tutorial why app not accessible ec2 docker debugging tutorial cloud deployment errors