Swagger Article - swagger-documentation options and implementation in index.js

const options = {
  definition: {
    openapi: "3.0.0",
    info: {
      title: "Library API",
      version: "1.0.0",
      description: "A simple Express Library API",
      termsOfService: "http://example.com/terms/",
      contact: {
        name: "API Support",
        url: "http://www.exmaple.com/support",
        email: "support@example.com",
      },
    },

    servers: [
      {
        url: "http://localhost:4001",
        description: "My API Documentation",
      },
    ],
  },
  apis: ["./Routes/*.js"],
};

const specs = swaggerJsDoc(options);
app.use("/api-docs", swaggerUI.serve, swaggerUI.setup(specs));