# juanjoDiaz/serverless-plugin-warmup

Keep your lambdas warm during winter. ♨

Repository: https://github.com/juanjoDiaz/serverless-plugin-warmup
Canonical: https://ross.abutalabs.com/products/serverless-plugin-warmup
Language: JavaScript
License: MIT
License Family: permissive
Topics: serverless, serverless-plugin, lambda, aws-lambda, aws
Last push: 2026-03-25T21:59:14+00:00

## Health v2 (maintenance only)
Score: 74/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 74, release rhythm 59, longevity 100
- inputs: {"age_days": 3457, "days_push": 161, "days_rel": 193, "gap_med": 34, "n_releases_24m": 2}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1120, forks 125 (observed 2026-08-28T04:03:39.577695+00:00)

## What it is
A Serverless Framework plugin that eliminates AWS Lambda cold starts by creating scheduled warmer functions. The warmer invokes your selected lambdas at a configured interval (default 5 minutes) to keep their containers warm.

## Use cases
- prevent lambda cold starts on aws
- keep serverless functions warm during business hours
- schedule periodic lambda invocations
- reduce latency spikes in serverless apis
- configure concurrency warming for lambda functions
- avoid cold start penalties for low-traffic endpoints

## When to choose
- you use the Serverless Framework with AWS provider and suffer from cold starts
- you need fine-grained warming schedules like office-hours-only warming
- you want per-function control over which lambdas get warmed and with what concurrency

## When to avoid
- you use a provider other than AWS or don't use the Serverless Framework
- your functions are invoked frequently enough that cold starts are not an issue
- you prefer provisioned concurrency or other native AWS solutions

## Facets
- artifact type: plugin
- maturity: active
- function: deployment, scheduling, serverless
- domain: cloud-computing, backend, performance
- platform: cloud, serverless, cli
- tags: aws-lambda, cold-start, serverless-framework, warmer, scheduled-functions, devops, nodejs

## Member repositories
- juanjoDiaz/serverless-plugin-warmup (main) score 74

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:03:39.577695+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T06:41:06.441354+00:00, confidence not recorded.
  - readme: https://github.com/juanjoDiaz/serverless-plugin-warmup (fetched 2026-08-28T04:03:39.577695+00:00, sha fa2c20b4acbd)
  - registry_npm: https://registry.npmjs.org/serverless-plugin-warmup (fetched 2026-08-29T12:44:56.987285+00:00, sha 4dd1cf01dc94)
- Data as of 2026-08-30T08:39:29.467469+00:00.