Dockerized Flask Web Application

Project Overview

This project demonstrates containerization of a Python Flask web application using Docker. The application is packaged into a Docker image and deployed as a container with port mapping for browser accessibility.

Technologies Used

• Python 3.11
• Flask
• Docker
• Git
• GitHub

Architecture

Browser
   ↓
Docker Container
   ↓
Flask Application

Screenshots

Application Running

Docker Containers

Docker Images

Docker Logs

Project Highlights

• Containerized a Flask application using Docker.
• Built and managed Docker images and containers.
• Configured port mapping and container networking.
• Troubleshot deployment and runtime issues using Docker logs and shell access.
• Managed source code using Git and GitHub.

Project Structure

docker-webapp/
│
├── Screenshots/
│   ├── app-running.png
│   ├── docker-ps.png
│   ├── docker-images.png
│   └── docker-logs.png
│
├── app.py
├── requirements.txt
├── Dockerfile
├── README.md
└── .gitignore

Build Docker Image

docker build -t flask-app .

Run Docker Container

docker run -d -p 5001:5000 flask-app

Verify Application

Open:

http://localhost:5001

Expected Output:

Hello from Docker Container!

Docker Commands Used

docker build
docker run
docker ps
docker logs
docker exec -it <container-id> sh
docker stop <container-id>
docker start <container-id>

Learning Outcomes

• Docker Image Creation
• Container Lifecycle Management
• Port Mapping
• Container Troubleshooting
• Log Monitoring
• Container Debugging
• Container Networking
• Docker CLI Operations

Author

Vivek C Raj

GitHub: https://github.com/vivek65666

LinkedIn: https://linkedin.com/in/vivekcraj