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Cloud-Native Application Deployment using Docker on AWS EC2

Table of Contents


Abstract

This project demonstrates the deployment of a cloud-native application using Docker on an AWS EC2 instance running Ubuntu Linux. The aim is to eliminate inconsistencies between development and production environments through containerization.

The application is packaged along with all required dependencies into a Docker container and deployed on a cloud server. This ensures portability, scalability, and consistent execution.


Introduction

In modern software development, deployment plays a critical role in the success of an application. Many applications fail not because of incorrect logic but due to improper deployment practices.

Traditional deployment methods involve manual installation and configuration, which often leads to inconsistencies. DevOps practices address these challenges by introducing automation, containerization, and cloud infrastructure.

This project demonstrates how Docker and AWS EC2 can be used together to build a reliable deployment pipeline.


Problem Statement

The primary issues addressed in this project include:

  • Applications behave differently across environments
  • Manual deployment introduces errors
  • Dependency management is complex
  • Scaling applications is difficult

There is a need for a system that ensures consistent deployment across all environments.


Existing System

In traditional systems:

  • Applications are developed locally
  • Deployment is done manually on servers
  • Dependencies are installed individually
  • Configuration is performed manually

This approach leads to inefficiencies and inconsistencies.


Limitations of Existing System

The traditional deployment approach has several drawbacks:

  • Time-consuming setup
  • High probability of human error
  • Lack of scalability
  • Poor portability
  • Requires constant manual intervention

Proposed System

The proposed system utilizes:

  • AWS EC2 as the cloud infrastructure
  • Ubuntu Linux as the operating system
  • Docker for containerization

The application runs inside a Docker container, ensuring a consistent and isolated environment.


Objectives

The objectives of this project are:

  • Deploy an application on AWS EC2
  • Use Docker for containerization
  • Ensure environment consistency
  • Simplify the deployment process

Scope of Project

This project is useful for:

  • Learning DevOps fundamentals
  • Understanding cloud deployment
  • Building scalable systems
  • Real-world application hosting

Methodology

The project follows these steps:

  1. Set up AWS EC2 instance
  2. Install Ubuntu Linux
  3. Install Docker
  4. Create Docker container
  5. Deploy application

System Architecture

Architecture Diagram

Architecture Diagram

Architecture Flow

User → Browser → EC2 Public IP → Docker Engine → Application Container


Technology Stack

  • AWS EC2
  • Ubuntu Linux
  • Docker
  • SSH

Core Concepts

Cloud Computing

Cloud computing provides computing resources over the internet instead of local machines.

Virtual Machine

A virtual machine is a software-based system that acts like a physical computer.

Containerization

Containerization packages an application along with its dependencies.

DevOps

DevOps integrates development and operations to improve deployment efficiency.


AWS EC2 Detailed Explanation

Amazon EC2 is a scalable virtual server used for hosting applications.

Features

  • Elastic scalability
  • Pay-as-you-go pricing
  • Secure infrastructure

Components

  • AMI (Amazon Machine Image)
  • Instance type
  • Security groups
  • Key pairs

Docker Detailed Explanation

Docker is a containerization platform used to package applications.

Components

  • Docker Engine
  • Docker Image
  • Docker Container
  • Dockerfile

Benefits

  • Portability
  • Isolation
  • Efficiency

Ubuntu Linux Fundamentals

Ubuntu is a widely used Linux distribution for servers.

Common Commands

  • apt (package manager)
  • chmod (permissions)
  • ssh (remote login)

Implementation Plan

The implementation is divided into phases:

  • Phase 1: EC2 setup
  • Phase 2: Docker installation
  • Phase 3: Application deployment

Step-by-Step Implementation

Step 1: Launch EC2 Instance

  • Choose Ubuntu AMI
  • Configure security groups
  • Download key pair

Step 2: Connect to EC2

ssh -i key.pem ubuntu@<ip-address>

Step 3: Update System

sudo apt update && sudo apt upgrade -y

Step 4: Install Docker

sudo apt install docker.io -y

Step 5: Start Docker

sudo systemctl start docker

Step 6: Create Dockerfile

FROM python:3.9
WORKDIR /app
COPY . .
RUN pip install -r requirements.txt
CMD ["python", "app.py"]

Step 7: Build Docker Image

docker build -t my-app .

Step 8: Run Docker Container

docker run -d -p 80:8000 my-app

Security and Networking

  • Open port 80 for HTTP traffic
  • Use SSH key-based authentication
  • Restrict inbound traffic using security groups

Testing and Validation

  • Verify container status using docker ps
  • Access application via browser
  • Check logs for errors

Results and Observations

  • Application deployed successfully
  • Accessible via public IP
  • Stable and consistent performance

Benefits of the System

  • Consistent deployment
  • Reduced setup time
  • High scalability
  • Efficient resource utilization

Comparative Analysis

Traditional vs Docker

  • Manual vs automated deployment
  • Error-prone vs consistent environment

Docker vs Virtual Machines

  • Lightweight vs heavy
  • Faster startup vs slower

Performance Analysis

Docker containers offer improved performance due to reduced overhead compared to virtual machines.


Cost Analysis

  • AWS Free Tier minimizes cost
  • Efficient resource utilization reduces expenses

Challenges Faced

  • Docker permission issues
  • Network configuration problems
  • Debugging deployment errors

Limitations

  • Single server deployment
  • No automatic scaling

Future Enhancements

  • CI/CD pipeline integration
  • Kubernetes orchestration
  • Monitoring and logging tools

Real-World Applications

  • Web applications
  • SaaS platforms
  • Microservices architecture

Conclusion

This project demonstrates an efficient and scalable deployment strategy using Docker and AWS EC2. It ensures consistency, portability, and reliability in application deployment.


About

Cloud-native application deployment using Docker on AWS EC2 (Ubuntu Linux). Demonstrates containerization to ensure consistent environments, simplified deployment, and scalability. Covers EC2 setup, Docker usage, security, networking, and performance, aligned with modern DevOps practices.

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