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Actualiser README.md

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@ -4,11 +4,12 @@ This repository contains the Kubernetes configuration files to deploy my Todo Ap
## Description
The Todo App is a web application for creating, reading, updating, and deleting the task to do. It is built using Node.js and is containerized using Docker.
The Todo App is a web application for creating, reading, updating, and deleting tasks. It is built using Node.js and is containerized using Docker. The application uses a PostgreSQL database to store task data.
## Containers Used
- **elineen/todo-app:latest**: The main application container that runs the Todo App.
- **postgres:latest**: The container that runs the PostgreSQL database.
## Kubernetes Objects
@ -16,18 +17,30 @@ The Todo App is a web application for creating, reading, updating, and deleting
- **Deployment**: `deployment.yaml` - Defines the deployment configuration for the Todo App.
- **StatefulSet**: `statefulset.yaml` - Defines the stateful set configuration for the Todo App, including PersistentVolume and PersistentVolumeClaim objects.
- **Service**: `service.yaml` - Exposes the Todo App to the network.
- **Database Deployment**: `db-deployment.yaml` - Defines the deployment configuration for the PostgreSQL database.
- **Database Service**: `db-service.yaml` - Exposes the PostgreSQL database to the network within the cluster.
## Virtual Networks and Named Volumes
- **PersistentVolume**: Defines a persistent volume for storing application data.
- **PersistentVolumeClaim**: Claims the persistent volume for use by the StatefulSet.
- **Database PersistentVolume**: Defines a persistent volume for storing database data.
- **Database PersistentVolumeClaim**: Claims the persistent volume for use by the PostgreSQL database.
## Container Configuration
The container configuration includes the following:
- **Image**: `elineen/todo-app:latest`
- **Ports**: The application listens on port 8080.
- **Volume Mounts**: The container mounts the persistent volume at `/data`.
- **Application Image**: `elineen/todo-app:latest`
- **Database Image**: `postgres:latest`
- **Ports**: The application listens on port 8080. The PostgreSQL database listens on port 5432.
- **Volume Mounts**: The application container mounts the persistent volume at `/data`. The PostgreSQL container mounts the persistent volume at the default data directory.
## Database Configuration
The application uses a PostgreSQL database to store task data. The database is configured with the following environment variables:
- **POSTGRES_DB**: mydatabase
- **POSTGRES_USER**: myuser
- **POSTGRES_PASSWORD**: mypassword
## Instructions