# openshift/source-to-image

A tool for building artifacts from source and injecting into container images

Repository: https://github.com/openshift/source-to-image
Canonical: https://ross.abutalabs.com/products/source-to-image
Language: Go
License: Apache-2.0
License Family: permissive
Last push: 2026-08-26T02:06:12+00:00

## Health v2 (maintenance only)
Score: 93/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 99, release rhythm 82, longevity 100
- inputs: {"age_days": 4600, "days_push": 8, "days_rel": 41, "gap_med": 84, "n_releases_24m": 6}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 2543, forks 701 (observed 2026-08-28T04:06:59.513652+00:00)

## What it is
Source-to-Image (S2I) is a Go toolkit and CLI for building reproducible container images directly from source code without writing a Dockerfile. It injects source into builder images that assemble ready-to-run images, supporting multi-step builds for compiled languages.

## Use cases
- build a container image from a git repo without a Dockerfile
- create reusable builder images for my team's build environments
- build slim runtime images by compiling in one image and copying artifacts to another
- reproduce the same build environment across CI and local development
- turn a Python or Node app repo into a runnable docker image in one command

## When to choose
- you use OpenShift or want Dockerfile-less reproducible image builds
- you want to version and share standardized build environments as builder images
- you need multi-stage builds for compiled languages with slim runtime images

## When to avoid
- you prefer explicit Dockerfiles and full control over build steps
- your stack is already well served by Docker multi-stage builds or BuildKit
- you need general-purpose CI pipelines beyond image building

## Facets
- artifact type: cli-tool
- maturity: maintenance
- function: build-tool, container-runtime, deployment, developer-tools
- domain: cloud-computing, developer-tools
- platform: windows, go, cli
- tags: source-to-image, s2i, builder-images, openshift, container-images, reproducible-builds, devops, containers, linux, macos, docker

## Member repositories
- openshift/source-to-image (main) score 93

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:06:59.513652+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 2026-08-30T02:25:05.802978+00:00, confidence not recorded.
  - readme: https://github.com/openshift/source-to-image (fetched 2026-08-28T04:06:59.513652+00:00, sha 8203ff03a5d0)
- Data as of 2026-08-30T08:39:29.467469+00:00.