🚀 AWS Deploy Application

A Spring Boot application demonstrating AWS deployment using Elastic Beanstalk, RDS (PostgreSQL), and automated CI/CD via CodePipeline and CodeBuild.

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☁️ AWS Architecture

Component	Service
App Hosting	AWS Elastic Beanstalk (EC2 + Load Balancer + Autoscaling)
Database	AWS RDS (PostgreSQL)
CI/CD	AWS CodePipeline + CodeBuild
Source	GitHub (master branch)

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🛠️ AWS Setup (How I Built This)

1. RDS (PostgreSQL) Setup

1. AWS Console → RDS → Create database
2. Engine: PostgreSQL
3. Template: Free tier
4. DB instance identifier: postgres-springboot
5. Master username & password set
6. Connectivity: Public access → Yes
7. Create database

2. Elastic Beanstalk Setup

1. AWS Console → Elastic Beanstalk → Create application
2. Application name: springboot-service
3. Platform: Corretto 21 (Java)
4. Environment type: Load balanced
5. Configure environment variables:
   • SPRING_PROFILES_ACTIVE = prod
   • DB_URL = RDS endpoint
   • DB_USERNAME = RDS username
   • DB_PASSWORD = RDS password
6. Create environment

3. CodeBuild Setup

1. AWS Console → CodeBuild → Create build project
2. Source: GitHub → repository connect
3. Buildspec: Use buildspec.yml from repo
4. Artifacts: Amazon S3
5. Configure environment variables:
   • DOCKER_USERNAME = Docker Hub username
   • DOCKER_PASSWORD = Docker Hub password
6. Create build project

4. CodePipeline Setup

1. AWS Console → CodePipeline → Create pipeline
2. Source stage: GitHub → master branch
3. Build stage: CodeBuild project select
4. Deploy stage: Elastic Beanstalk → environment select
5. Create pipeline

5. GitHub Connection

1. CodePipeline → Settings → Connections
2. Create connection → GitHub
3. Authorize AWS to access GitHub repo

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⚙️ CI/CD Pipeline Flow

Push to master → CodePipeline triggers → Docker Hub login → Maven build & test → JAR artifact → Elastic Beanstalk deploys

version: 0.2
phases:
  install:
    runtime-versions:
      java: corretto21
    commands:
      - echo Installing Maven...
  pre_build:
    commands:
      - echo Logging in to Docker Hub...
      - echo $DOCKER_PASSWORD | docker login -u $DOCKER_USERNAME --password-stdin
  build:
    commands:
      - echo Building, Testing, and Packaging the application...
      - mvn package
  post_build:
    commands:
      - echo Build, Testing, and Packaging completed.
artifacts:
  files:
    - target/*.jar
  discard-paths: yes
cache:
  paths:
    - '/root/.m2/**/*'

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🧪 Testing

• JUnit + Testcontainers — Integration tests real PostgreSQL Docker container spin up
• Tests cover Controllers, Repositories, and Services layer
• Docker Hub credentials configured in CodeBuild to pull PostgreSQL image for Testcontainers

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🌱 Spring Profiles

Profile	Usage
dev	Local development with RDS config
local	Local development with local DB config
prod	AWS production environment

# Run with dev profile
mvn spring-boot:run -Dspring-boot.run.profiles=dev

# Run with local profile
mvn spring-boot:run -Dspring-boot.run.profiles=local

# Run with prod profile
mvn spring-boot:run -Dspring-boot.run.profiles=prod

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📂 Project Structure

aws-deploy-application/
├── src/
│   ├── main/
│   │   ├── java/com/springboot/applicationtesting/
│   │   │   ├── controllers/        # REST Controllers
│   │   │   ├── repositories/       # JPA Repositories
│   │   │   └── services/           # Service Layer
│   │   └── resources/
│   │       ├── application.properties                # Base config
│   │       ├── application-dev.properties            # Dev profile (RDS)
│   │       ├── application-dev-example.properties    # Dev config template
│   │       ├── application-local.properties          # Local DB config
│   │       └── application-prod.properties           # Prod profile config
│   └── test/
│       └── java/com/springboot/applicationtesting/
│           ├── controllers/        # Controller integration tests
│           ├── repositories/       # Repository tests
│           └── services/           # Service tests
├── buildspec.yml                   # CodeBuild configuration
├── pom.xml                         # Maven dependencies
└── README.md

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🚀 Quick Start (Local)

Prerequisites: Java 21+, Maven, PostgreSQL, Docker

git clone https://github.com/MansiArora-dev/aws-deploy-application.git
cd aws-deploy-application

# Copy example config and fill in your values
cp src/main/resources/application-dev-example.properties \
   src/main/resources/application-dev.properties

# Run with dev profile
mvn spring-boot:run -Dspring-boot.run.profiles=dev

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💻 Technologies

• Java 21 | Spring Boot | Maven
• AWS — Elastic Beanstalk, RDS, CodePipeline, CodeBuild
• PostgreSQL | Docker | Testcontainers | JUnit

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👩‍💻 Developer

Mansi Arora — Software Engineer