# Appconfig

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## Important Points about AppConfig

1. **Configuration Deployment**: AWS AppConfig is a service that enables you to deploy configuration data to your applications, irrespective of where they are hosted.
2. **Reduce Downtime**: By enabling you to deploy configuration changes independently of the application code, AppConfig reduces the chances of outages.
3. **Validation Checks**: AWS AppConfig supports validation checks to ensure configuration data is accurate and correct before deployment.
4. **Safe Deployment**: The service enables you to deploy configuration data to a target set of resources in a controlled and monitored way.

## Concept Map

1. **AWS AppConfig**
1. *Applications*: AWS AppConfig allows for the creation of applications as a logical unit of work.
2. *Environments*: Under each application, different environments can be configured.
3. *Configuration Profiles*: These define the configuration data and schema.
4. *Deployment Strategies*: These define how deployments should take place.

## Related Documents References

1. AWS AppConfig User Guide: [link](https://docs.aws.amazon.com/appconfig/latest/userguide/what-is-appconfig.html)
2. AWS AppConfig API Reference: [link](https://docs.aws.amazon.com/appconfig/2019-10-09/APIReference/Welcome.html)

## AWS Workshop links to related topic

1. AWS AppConfig Workshops: There aren't dedicated workshops available for AppConfig at the moment. However, you can find tutorials and use cases in the AppConfig user guide.

## FAQs

1. AWS AppConfig FAQs: [link](https://aws.amazon.com/systems-manager/faqs/)

## Best Practices

1. Use multiple environments to manage different configurations for development, testing, and production.
2. Leverage the schema validation feature of AppConfig to ensure data accuracy.
3. Use AWS AppConfig with Systems Manager Change Calendar to prevent deployments during blackout periods.

## Detailed Workshop Design

The workshop could focus on how to set up AWS AppConfig and deploy a configuration change.

### Step-by-step Process

1. **Create an AppConfig Application**: This is the first step where you define your application in AppConfig.
2. **Create an Environment**: For each application, you can create different environments. Start with a 'test' environment.
3. **Create a Configuration Profile**: This includes the configuration data and schema.
4. **Create a Deployment Strategy**: Define how the configuration data will be deployed to the 'test' environment.
5. **Start Deployment**: Start the deployment and monitor the process.
6. **Validate Changes**: Check your application to validate the configuration changes.

The workshop aims to provide a practical understanding of AWS AppConfig, essential for the AWS Certified DevOps Professional exam.