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Looking through the Firebase FAQ I can't see how cross domain issues are handled. Obviously, we don't want to serve on the Firebase domain, is it CORS, hidden iFrame, other? Would we need to create a sub-domain that points at the IP of the sharing server?
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onRequest creates a standard API endpoint, and you'll use whatever methods your client-side code normally uses to make. HTTP requests to interact with them. onCall creates a callable. Once you get used to them, onCall is less effort to write, but you don't have all the flexibility you might be used to.
To solve this error, we need to add the CORS header to the server and give https://www.section.io access to the server response. Include the following in your index. js file. const cors = require('cors'); app.
Cloud Functions for Firebase is a serverless framework that lets you automatically run backend code in response to events triggered by Firebase features and HTTPS requests. Your JavaScript or TypeScript code is stored in Google's cloud and runs in a managed environment.
Let me answer this question in two parts, as there are multiple ways to communicate with the Firebase Servers.
So in summary, it should "just work" and you don't need to do anything special.
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