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λ A selfhostable serverless function runtime. Inspired by zeit now.
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README.md


Logo

Temps

A serverless lambda runner, inspired by zeit now.


What can Temps do?

  • Temps can automatically hot swap your functions to an updated version without any dramas. This is achieved through GitHub webhooks.
  • Temps auto-scales your lambda function, whenever it detects a large amount of load in the event loop it creates a new thread to spread the load on.
  • Lightning fast, responds in under 5ms for a hello world async function!

Setting up your function

Programmatic setup

Temps is a breeze to setup, it's so easy it only needs an example:

// An optional function (optionally async) that runs before the server listens is executed.
// If the argument is present, the HTTP server will be passed to init for your usage.
exports.init = async ([server]) => { };

// Also works with HTTPS!
exports.credentials = {
  key,
  cert,
};

// A required (optionally async) handler (works with exports.default as well).
module.exports = async (req, res) => {
  // If this is an async function and you return either a string or buffer here
  // Temps will send the returned data! Async functions can still be used without this behavior.
  // You can run whatever you want in here: express, koa etc.
};

Make sure to use the main field in your package.json to point to an entry point file that matches the signature of the example above.

Compiling your code

Temps compiles your code by running the lambdaBuild script if present in your package.json. Please ensure that the entry point specified in the main field of your lambda's package.json points to the compiled entry point.

Configuring Temps

Repositories

To configure Temps to work with private repositories, setup a GitHub access token with the repos scope checked. Check out .env.example to see how to configure your repository. Temps works with GitHub webhooks with plans to support more platforms in future. To set it up, generate a secret for example: crypto.randomBytes(32).toString("base64") and set it to the env variable named SECRET. Then configure a push webhook on GitHub that uses that same secret and pushes to the following endpoint: example.com/.well-known/__lambda/update.

Software configuration

Refer to .env.example... it's pretty self-explanatory.

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