C# photoshop image resize + amazon aws upload

We have a photoshop action for resizing images to 4 different sizes to a webshop. After the images is resized we upload them to amazon S3 We need to automate this process. Coded in C# .Net - A windows form with a button, when clicked: Runs the photoshop action, takes the images from a given folder. then upload the images to amazon s3, if ok add add the image id to a sql table.