# constructions.cloud

> Curated collection of Java-based AWS deployment examples using CDK infrastructure-as-code

## Overview

constructions.cloud is a curated repository collection showcasing streamlined Java-based AWS deployments using CDK (Cloud Development Kit) infrastructure-as-code patterns. The site features production-ready examples for serverless architectures, Lambda functions, and modern cloud-native Java applications.

## Featured Technologies

- **AWS CDK**: Infrastructure-as-code for AWS resource provisioning
- **AWS Lambda**: Serverless compute platform
- **Quarkus**: Supersonic subatomic Java framework optimized for cloud and containers
- **Function URLs**: Direct HTTP(S) endpoints for Lambda functions
- **Java**: Primary programming language for all examples

## Repository Collection

### AWS Java CDK Setup

**Repository**: https://github.com/AdamBien/aws-java-cdk-setup

**Description**: Essential setup guide and tooling for Java-based AWS CDK development, providing the foundation for building infrastructure-as-code projects with Java and CDK.

**Key Features**:
- Complete development environment setup for Java CDK projects
- Essential tooling and dependencies configuration
- Best practices for Java CDK project initialization
- Foundation for AWS infrastructure development
- Quick start guide for CDK with Java

**Technologies**: CDK, Java, Setup, Development Environment, Infrastructure

### AWS Lambda Function URL with Quarkus and CDK

**Repository**: https://github.com/AdamBien/aws-quarkus-lambda-function-url-cdk-plain

**Description**: Serverless Java application using Quarkus framework deployed to AWS Lambda with Function URLs, provisioned using CDK infrastructure-as-code.

**Key Features**:
- Quarkus framework for fast startup and low memory footprint
- AWS Lambda Function URLs for direct HTTP access
- CDK for infrastructure provisioning
- Plain Java implementation without unnecessary complexity

**Technologies**: AWS Lambda, Function URL, Quarkus, CDK

### Plain AWS Lambda with CDK

**Repository**: https://github.com/AdamBien/aws-lambda-cdk-plain

**Description**: Minimal, asynchronous AWS Lambda function implementation in Java, provisioned with CDK infrastructure-as-code. A straightforward example without additional frameworks.

**Key Features**:
- Plain Java implementation (POJO)
- Minimal dependencies and complexity
- CDK for infrastructure provisioning
- Asynchronous Lambda execution

**Technologies**: AWS Lambda, CDK, Java

### AWS CI/CD Website with CDK

**Repository**: https://github.com/AdamBien/aws-cicd-website-cdk

**Description**: Complete CI/CD pipeline for static website deployment on AWS using S3, CloudFront, and automated deployment workflows, all provisioned with CDK.

**Key Features**:
- S3 for static website hosting
- CloudFront CDN distribution
- CodePipeline for automated deployments
- Route 53 DNS management
- Complete infrastructure-as-code with CDK

**Technologies**: S3, CloudFront, CodePipeline, Route 53, CDK

### AWS Quarkus Lambda HTTP API with CDK

**Repository**: https://github.com/AdamBien/aws-quarkus-lambda-http-api-cdk-plain

**Description**: Serverless Java application using Quarkus framework deployed to AWS Lambda with Function URLs, provisioned using CDK infrastructure-as-code.

**Key Features**:
- Quarkus framework for fast startup and low memory footprint
- AWS Lambda with Function URLs for direct HTTP access
- CDK for infrastructure provisioning
- Serverless architecture implementation
- Optimized for cloud-native Java applications

**Technologies**: AWS Lambda, Function URL, Quarkus, CDK

### Plain AWS CDK Foundation

**Repository**: https://github.com/AdamBien/aws-cdk-plain

**Description**: Foundational AWS CDK project template in Java, providing the essential structure and patterns for infrastructure-as-code development without specific service implementations.

**Key Features**:
- Essential CDK project structure and patterns
- Java-based infrastructure-as-code foundation
- Template for CDK development without service-specific implementations
- Clean starting point for AWS infrastructure projects
- Best practices for CDK project organization

**Technologies**: CDK, Infrastructure, Foundation, Template, Java

### AWS Quarkus Agent Core Runtime with CDK

**Repository**: https://github.com/AdamBien/aws-quarkus-agent-core-runtime-cdk-plain

**Description**: AI agent implementation using Quarkus and AWS Bedrock Agent Core, deployed with CDK infrastructure-as-code for building intelligent serverless applications.

**Key Features**:
- AWS Bedrock Agent Core integration for AI capabilities
- Quarkus framework for efficient serverless execution
- CDK for infrastructure provisioning
- AI agent patterns and implementations
- Serverless architecture for intelligent applications
- Machine learning integration with AWS services

**Technologies**: Bedrock, AI Agents, Quarkus, CDK, Serverless, Machine Learning

### AWS Quarkus Lambda HTTP API with S3 and CDK

**Repository**: https://github.com/AdamBien/aws-quarkus-lambda-http-api-s3-cdk-plain

**Description**: Quarkus-based HTTP API on AWS Lambda with S3 storage integration, provisioned using CDK infrastructure-as-code for building serverless applications with persistent storage.

**Key Features**:
- Quarkus framework for fast startup and low memory footprint
- AWS Lambda with HTTP API Gateway integration
- S3 storage integration for persistent data
- CDK for infrastructure provisioning
- Serverless architecture with storage capabilities
- Complete example of Lambda-S3 integration pattern

**Technologies**: AWS Lambda, HTTP API, S3, Quarkus, CDK, Serverless, Storage

### AWS Agent Core Gateway Lambda with CDK

**Repository**: https://github.com/AdamBien/aws-agent-core-gateway-lambda-cdk-plain

**Description**: Serverless remote MCP server exposing Lambda POJOs via the Model Context Protocol. Built with AWS CDK, demonstrates a Bedrock Agent Core Gateway integration with Cognito authentication. Features include event-driven Lambda processing, JWT-based access control, and interactive MCP Inspector support.

**Key Features**:
- AWS Bedrock Agent Core Gateway integration
- Lambda-based agent tool implementation
- CDK for infrastructure provisioning
- AI agent gateway patterns
- Serverless architecture for agent tools
- Integration with Bedrock Agent Core services

**Technologies**: Bedrock, Agent Core, Gateway, Lambda, CDK, AI Agents, Serverless

### AWS Quarkus Lambda Function URL with EMF and CDK

**Repository**: https://github.com/AdamBien/aws-quarkus-lambda-function-url-emf-cdk-plain

**Description**: Quarkus-based Lambda function with Function URL integration and Embedded Metric Format (EMF) for CloudWatch metrics, provisioned using CDK infrastructure-as-code for building observable serverless applications.

**Key Features**:
- Quarkus framework for fast startup and low memory footprint
- AWS Lambda with Function URLs for direct HTTP access
- AWS Lambda Powertools for Java integration
- Embedded Metric Format (EMF) for CloudWatch metrics
- CDK for infrastructure provisioning
- Built-in observability and monitoring
- Serverless architecture with metrics integration

**Technologies**: AWS Lambda, Function URL, Quarkus, Lambda Powertools, EMF, CloudWatch, CDK, Observability

### AWS Java Agent Core Runtime with CDK

**Repository**: https://github.com/AdamBien/aws-java-agent-core-runtime-cdk

**Description**: Minimalistic AWS Bedrock Agent Core Runtime implemented in plain Java 25 with zero external dependencies, packaged as an ARM64 container and provisioned with CDK.

**Key Features**:
- Plain Java 25 with zero external dependencies
- Built-in jdk.httpserver serving the runtime contract (/invocations and /ping)
- ARM64 Amazon Corretto 25 container image
- CDK for infrastructure provisioning
- System tests using the AWS SDK BedrockAgentCoreClient
- Automated build and deployment scripts

**Technologies**: Bedrock, Agent Core, Runtime, Vanilla Java, Amazon Corretto 25, Container, CDK, AI Agents, Serverless

### AWS DevOps Agent with CDK

**Repository**: https://github.com/AdamBien/aws-devops-agent-cdk

**Description**: Deploys AWS DevOps Agent with CDK and Java in a one-to-many multi-account layout: a single agent account, dedicated to the Agent Space, investigates any number of workload accounts through read-only investigation roles.

**Key Features**:
- One-to-many multi-account layout: one agent account, any number of workload accounts
- Agent Space with IAM Identity Center authentication for operators
- Read-only investigation roles granted from each workload account's own side
- Two independent stack types, each deployed under the credentials of the account it changes
- Constructor-level validation of account ids, regions, and the Identity Center instance
- CDK for infrastructure provisioning

**Technologies**: DevOps Agent, Agent Space, Multi-Account, IAM Identity Center, CDK, Java

## Purpose

This collection serves developers looking for:
- Production-ready AWS CDK patterns in Java
- Serverless Java application examples
- Quarkus integration with AWS services
- Infrastructure-as-code best practices
- Minimal, focused implementations without boilerplate

## Author

Curated by Adam Bien (https://adam-bien.com)

## Links

- Website: https://constructions.cloud/
- GitHub: https://github.com/AdamBien/
- BCE Architecture: https://bce.design
- airails.dev (aws-cdk skill for AI coding agents): https://airails.dev / https://github.com/AdamBien/airails/tree/main/bce/aws-cdk