Read source image metadata, process it through a shell script for resizing and optimization, write the processed output to disk, and upload to a CDN.
| Param | Type | Required | Description |
|---|---|---|---|
| source_path | string | yes | File path to the source image |
| output_path | string | yes | File path to write the processed image |
| cdn_upload_url | string | yes | CDN upload API endpoint |
| max_width | integer | no | Maximum width in pixels (default: 1200) |
| quality | integer | no | Compression quality 1-100 (default: 85) |
read-source -> process-image -> write-output -> upload-cdn
- fs.stat reads source image metadata before processing
- Shell script handles resize/optimize (simulated in test, production uses ImageMagick)
- fs.write persists the processed image locally
- HTTP upload to CDN with retry and exponential backoff
