# API Gateway Infrastructure - Documentation

Welcome to the API Gateway infrastructure documentation. This guide covers the complete setup and configuration of the API Gateway system.

## Overview

This documentation provides comprehensive information about:

- **Architecture**: Understanding the API Gateway setup
- **Applications**: Backend applications integration (Web & API)
- **Configuration**: Gateway routes, services, and policies
- **Deployment**: CI/CD pipeline automation
- **Operations**: Monitoring, troubleshooting, and maintenance

## Quick Links

- [Architecture Overview](architecture.md)
- [Getting Started](getting-started.md)
- [Gateway Configuration](api7-configuration.md)
- [Kubernetes Resources](kubernetes-resources.md)
- [CI/CD Pipeline](cicd-pipeline.md)
- [Troubleshooting Guide](troubleshooting.md)

## Infrastructure Components

### Gateway Control Plane

**Control Plane Components**
- Dashboard: Web-based management interface
- Developer Portal: API documentation and testing portal
- DP Manager: Data plane management service
- PostgreSQL Database: Configuration storage
- Prometheus Monitoring: Metrics collection

**Gateway Data Plane**
- Multiple replicas for high availability
- ClusterIP service for internal communication
- Gateway Groups for logical organization
- External access via Ingress Controller

### Applications

- **Web Application**: Frontend application interface
- **API Application**: Backend REST API services

### Domain Configuration

- **Wildcard Domain**: Support for subdomains
- **Root Domain**: Primary domain access
- **TLS**: Automated certificate management

## Technology Stack

- **API Gateway**: Enterprise API Gateway Solution
- **Control Plane**: Centralized management interface
- **Data Plane**: High-performance request processing
- **Container Orchestration**: Kubernetes
- **Ingress Controller**: External traffic management
- **Certificate Management**: Automated TLS certificates
- **CI/CD**: Automated deployment pipeline
- **Applications**: Microservices architecture
- **Documentation**: Technical documentation system

## Repository Structure

**Components**:
- Web application container images
- API service container images
- Configuration management
- Infrastructure as Code

## Getting Help

For issues or questions:

1. Check the [Troubleshooting Guide](troubleshooting.md)
2. Review the gateway documentation
3. Check application logs in the container platform

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*Documentation Version: 1.0*