serverless-edge-http
v2.5.0
Published
Use existing web application frameworks in serverless environments
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serverless-http
2.0
The 2.0 release moves to async/await and requires Node 8+.
All frameworks have been updated to their latest versions.
Description
This module allows you to 'wrap' your API for serverless use. No HTTP server, no ports or sockets. Just your code in the same execution pipeline you are already familiar with.
Support
Supported Frameworks
(* Experimental)
- Connect
- Express
- Koa
- Restana *
- Sails *
- Hapi *
- Fastify *
- Restify *
- Polka *
- Loopback *
Supported Providers
- AWS
Examples
Please check the examples
folder!
Usage example using the Koa framework
const serverless = require('serverless-http');
const Koa = require('koa'); // or any supported framework
const app = new Koa();
app.use(/* register your middleware as normal */);
// this is it!
module.exports.handler = serverless(app);
// or as a promise
const handler = serverless(app);
module.exports.handler = async (event, context) => {
// you can do other things here
const result = await handler(event, context);
// and here
return result;
};
Other examples
json-server-less-λ - using serverless-http with json-server and serverless framework in AWS
Limitations
Your code is running in a serverless environment. You cannot rely on your server being 'up' in the sense that you can/should not use in-memory sessions, web sockets, etc. You are also subject to provider specific restrictions on request/response size, duration, etc.
Think of this as a familiar way of expressing your app logic, not trying to make serverless do something it cannot.
Contributing
Pull requests are welcome! Especially test scenarios for different situations and configurations.
Further Reading
Here are some more detailed examples and advanced configuration options as well as provider-specific documentation