explaingit

apex/up

8,803GoAudience · developerComplexity · 3/5Setup · moderate

TLDR

Command-line tool that deploys any HTTP web app to AWS Lambda and API Gateway in seconds, giving you Heroku-like simplicity at AWS pay-per-request pricing, no server config required.

Mindmap

mindmap
  root((Up))
    What It Does
      Deploys HTTP apps
      AWS Lambda backend
      Pay per request
    Supported Languages
      Node.js and Python
      Go and Java
      Static websites
    Plans
      Free open-source tier
      Pro paid plan
    Pro Features
      Encrypted env vars
      Error alerting
      Global deployments
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Things people build with this

USE CASE 1

Deploy a Node.js or Python web app to AWS Lambda with a single command and get a live URL immediately.

USE CASE 2

Move an existing HTTP server to serverless AWS infrastructure without rewriting any application code.

USE CASE 3

Run a low-traffic web service cheaply by paying per request rather than for always-on machines.

Tech stack

GoAWS LambdaAPI Gateway

Getting it running

Difficulty · moderate Time to first run · 30min

Requires an AWS account with Lambda and API Gateway access, project appears to be in maintenance or wind-down state, verify recent activity before use.

In plain English

Up is a command-line tool that takes an existing web application and deploys it to Amazon Web Services in seconds, without requiring you to configure servers, set up auto-scaling, or manage infrastructure. You run a single command, and Up handles the rest by packaging your app and running it on AWS Lambda and API Gateway, two services that scale automatically and charge only for the compute time actually used. The tool works with standard HTTP servers written in Node.js, Python, Go, Java, Clojure, Crystal, or as static websites. There is nothing framework-specific to learn: if your app already listens for web requests, Up can deploy it. The pitch is that it gives you a Heroku-like experience (push code, get a URL) while running on AWS infrastructure, which is generally cheaper at scale because you pay per request rather than for always-on machines. There are two tiers. The free open-source version covers the core deployment workflow. A paid Pro plan adds encrypted environment variables, error alerting, priority support, and global deployments for a flat monthly fee with no per-seat or per-application charges. The README links to documentation, example projects, and a Slack community for questions. Note that the project appears to be in a maintenance or winding-down state based on the sparse README and the age of the repository. The documentation site and Pro subscription links may or may not still be active. If you are evaluating it for active use, checking recent issue and commit activity would be worthwhile before committing to it.

Copy-paste prompts

Prompt 1
How do I install the Up CLI and deploy my existing Node.js Express app to AWS Lambda using it?
Prompt 2
What AWS permissions does my IAM user need for Up to deploy an application to Lambda and API Gateway?
Prompt 3
How do I set environment variables for my app deployed with Up, and how is it different from the Pro plan's encrypted env vars?
Prompt 4
How do I roll back to a previous deployment version using the Up CLI?
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