This repository contains the code for osls compose.

Requires Node.js ^20.19.0 || ^22.13.0 || >=24.

There is no standalone binary version, the package is only available via NPM.

npm install -g @osls/compose
osls-compose --help

Available commands: osls-compose, oslsc.

Check out the osls compose documentation.

Compose honors the same proxy, custom certificate authority, and timeout environment variables as osls (HTTP_PROXY/HTTPS_PROXY, ca/cafile, and AWS_CLIENT_TIMEOUT) for its own AWS requests, such as remote state access. See Running behind a proxy.

A Compose project is code: loading a serverless-compose.js or serverless-compose.ts configuration executes it, and deploying runs the osls CLI in each service directory. Do not run projects from untrusted sources. See the osls security model and the Compose security notes.