I’ve previously written about how to return an image from an Azure Function which deals with returning a generated image from the function, however it’s also useful to return images which might be stored elsewhere such as in Azure Blob Storage or an AWS S3 bucket. I’ve created an example Read more
You can host images (or other files) in Azure Storage by making the container with them in public but if you want them to be private and only accessible to authorized users then you can either generate a short-lived SAS key granting read permissions on the blob or you can Read more
The Azure computer vision API can be used to retrieve information about an image including tags, descriptions and categories along with their associated confidence scores. The Microsoft quickstart guide to using this is here and my releated code is below. This retrieves an image file from Azure Storage and streams Read more
Bing Image Search API The Image Search API lets you query the Bing search engine for a list of relevant images, in order to access it you need a cognitive services API key obtained from the Azure portal. The API endpoint can be accessed directly by structuring queries using the Read more
Azure functions (at least HTTP triggered ones) are essentially stateless APIs and so should be able to return files as well as other output objects such as JSON. This is indeed the case and can be done by returning a FileContentResult as in the below code which returns a QR Read more