![]() The api is build on node.js (sailsjs framework) and the client on angular.js. I have an api hosted on and a client on. No Access-Control-Allow-Origin header is present on the requested resourcewhen trying to get data from a REST API. ![]() If youre using a service, like an API to send SMS, payment, some Google console or something else really, youll need to allow your localhost in the dashboard of the service. In your title, you mention that youre 'using arcgis javascript in node.js', but CORS-related errors should never appear when making requests from a Node.js (server-side). You will often signal to your what the environment is using an environmental variable, environment variables can be called anything but typical ones are.įor most NodeJS development, NODE_ENV is used to specify the environment which you can use to run code conditionally like so. PS: Using Access-Control-Allow-Origin: would be quite risky because it would allow anybody to access it, hence why a stricter rule is recommended. Production: when the code is deployed and available publically to the world, should be using a production database that holds the actual data of your users instead of the sample data you may have in development and test environments. Test: when the code is being run against tests, sometimes you'll have seperate database and logs for this situation Often time you may have different versions of code you want to run in different environments, usually you have three possible environments.ĭevelopment: you running the code to develop it, so you don't want to use your production database and probably want a lot of logs to diagnose bugs Now it can be tedious changing these settings everytime you want to do local development vs deploying to production, let's talk about how we can handle that. Origin localhost:8888 is therefore not allowed access. sameSite can be "none" to allow for cross-origin requests.we remove the domain setting, it'll figure it out fine.In expressJS applications, you can manually set these headers on your own in custom middleware or in each route like so.Įnter fullscreen mode Exit fullscreen mode ![]()
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