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Generate Cross-Origin Resource Sharing policies for your applications. Review the result before reusing it in another workflow.
Allow Credentials
Include cookies in requests
// Express.js CORS Configuration
const cors = require('cors');
const corsOptions = {
origin: ["https://example.com"],
methods: ["GET","POST","PUT","DELETE"],
allowedHeaders: ["Content-Type","Authorization"],
credentials: true,
maxAge: 86400
};
app.use(cors(corsOptions));Security Notice
Using * for origins in production is not recommended. Always specify exact origins for security. Enabling credentials requires specific origins (not wildcards).