Image processing solution (Powered by Azure)

This is the implementation of a test task, the main idea of which is to get acquainted and get an experience with the following Azure resources:

• Blob Storage;
• Cosmos DB;
• Service Bus Topics;
• App Logic;
• Container Apps;
• API Management.

Solution

Task Manager Service

Key moments:

• Frontend powered by SwaggerUI;
• Two endpoints: Image and Tasks;
• Deployed as container and running as container app;

Service API:

• Image endpoint:
  • Upload the image to Blob Store;
  • Generate and upload task info to Cosmos DB;
• Tasks endpoint:
  • Provide information about all tasks that are stored in Cosmos DB;
  • Provide information about the task by specifying task identification.

Image Processing Service

Key moments:

• Frontend powered by SwaggerUI;
• One endpoint: Tasks;
• Deployed as container and running as container app;

Service API:

• Tasks endpoint:
  • Process the specified task (Rotate an uploaded image 180 degrees).

Logic app workflow

flowchart TD
    A(Start) -->|Parameters| B[MaxSize - Max image size]
    B --> C{Processing image size < MaxSize }
    C -->|True| D[Call Image Processing Service to process image]
    C -->|False| E[Set task stats to Error in Azure Cosmos DB]

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Point of improvements

Implementation:

• Move from using Cosmos DB client directly to Repository pattern;
• Implement server-side caching;
• Move business logic from controllers to models;
• Improve logging;

Authentication:

• Support different auth methods provided by Azure;

Additional documentations

• Contribution guide
• Local development story