How to Containerize & Deploy Python Apps to AWS ECR and ECS | DevOps Practical Lab

In this comprehensive DevOps hands-on lab, we cover how to containerize a Python application, build custom Docker images using multi-stage builds, push images to AWS Elastic Container Registry (ECR), and deploy them using AWS Elastic Container Service (ECS). Key Topics Covered: Checking Docker installations and inspecting system environments Building Python application images using multi-stage Dockerfiles Managing Docker containers, port mapping, and testing local health check endpoints Configuring AWS CLI credentials and logging into AWS ECR Tagging and pushing local Docker images to Amazon ECR Setting up AWS ECS Clusters, Task Definitions, and Services Configuring AWS Security Groups, Inbound Rules, and Load Balancers Troubleshooting common deployment issues (502 Bad Gateway, health check failures, and container memory allocation) 📌 Prerequisites: Basic understanding of Docker & AWS Management Console Installed Docker Desktop & AWS CLI