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express-service-bootstrap
Advanced tools
This is a convenience package for starting a express API with security, health checks, process exits etc.
This is a convenience package for starting a express based API server with
import { ApplicationBuilder, ApplicationStartupStatus, ApplicationTypes, Convenience } from "../../dist/src/index.js";
import * as OpenApiDefinition from "./api-def.json" with { type: "json" };
const applicationName = "Test Simple App";
const app = new ApplicationBuilder(applicationName, OpenApiDefinition);
const utilities = new Convenience();
async function AppStartUp(rootRouter, DIContainer, application) {
//Connect to DB or create DB Pool
//Apply Migrations
//Register Routes,Middleware,etc
rootRouter
.get("/", (req, res) => {
res.send("Hello World");
})
.get("/error", (req, res) => {
throw new Error("This is an error to validate final 'ErrorResponseTransformer' error handling of library");
});
//Configure your application.
const apiDocs = utilities.swaggerAPIDocs(OpenApiDefinition);
application.overrideAppPort(8080) //override the default port 8080(Default 3000)
.overrideHealthPort(8081) //override the default health port 8081(Default 5678)
.registerApplicationHandler(utilities.helmetMiddleware(), "*", 0, ApplicationTypes.Both) //register helmet middleware for both application and health
.registerApplicationHandler(utilities.bodyParserURLEncodingMiddleware(), "*", 1, ApplicationTypes.Main) //register body parser url middleware for application
.registerApplicationHandler(utilities.bodyParserJSONEncodingMiddleware({ limit: '50M' }), "*", 2, ApplicationTypes.Main) //register body parser json middleware for application
.registerApplicationHandler(apiDocs.router, apiDocs.hostingPath, 3, ApplicationTypes.Main) //register api docs
.overrideCatchAllErrorResponseTransformer((req, error) => ({ //override the default catch all error response transformer
path: req.path,
status: 500,
body: { message: error.message }
}))
return {
status: ApplicationStartupStatus.UP, // Indicates startup was successful
data: { message: "Connected to database" } // Additional data to be returned(Optional)
};
}
app.overrideStartupHandler(AppStartUp)
.start()
.then(() => console.log(`${applicationName} started successfully.`))
.catch(console.error);
//*******************************
// You can wait for your application to be called by process exit signal
// OR
// If you are done call the Dispose method to stop the application
// await app[Symbol.asyncDispose](); //stop the application and release all resources
//*******************************
This project is contribution to public domain and completely free for use, view LICENSE.md file for details.
FAQs
This is a convenience package for starting a express API with security, health checks, process exits etc.
The npm package express-service-bootstrap receives a total of 30 weekly downloads. As such, express-service-bootstrap popularity was classified as not popular.
We found that express-service-bootstrap demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 0 open source maintainers collaborating on the project.
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