Deploy in AKS web app without rebuilding image and container

 To decouple source code deployment from the container image in an Azure Kubernetes Service (AKS) environment for a .NET web application, you can follow these approaches:

1. Use Persistent Volumes (PV) and Persistent Volume Claims (PVC)

• Store your source code on an Azure File Share or Azure Blob Storage.
• Mount the storage as a Persistent Volume (PV) in AKS.
• Your application pod reads the updated code from the mounted volume without rebuilding the container image.

2. Leverage Azure App Configuration and Feature Flags

• Store configuration files or dynamic code parts in Azure App Configuration.
• Use feature flags or environment variables to control runtime behavior without rebuilding the image.

3. Use Sidecar Pattern with a Shared Volume

• Deploy a sidecar container that continuously fetches updated code (e.g., from Git or a shared storage).
• The main application container reads from the shared volume.

4. Implement an External Code Server

• Host the application’s code on an external location (e.g., an Azure Storage Account, NFS, or a remote Git repository).
• The container only acts as a runtime, pulling the latest code dynamically.

5. Use Kustomize or Helm for Dynamic Config Updates

• Helm can help manage application deployments, enabling dynamic updates without modifying container images.

6. Use .NET Hot Reload and Volume Mounting

• If using .NET Core, leverage Hot Reload to apply code changes without restarting the container.
• Mount the application source code from a storage volume so updates are reflected instantly.