Instantpack is a fork of Railpack maintained for Instant deployments. It keeps upstream compatibility for config files and build plans while branding output and images as Instantpack.
Release images are published to GitHub Container Registry:
ghcr.io/instant-rw/instantpack-builderghcr.io/instant-rw/instantpack-runtimeghcr.io/instant-rw/instantpack-frontend
# Install mise & instantpack
mise trust
mise install
# Build the CLI
mise run build
# Start BuildKit and build a project
docker run --rm --privileged -d --name buildkit moby/buildkit
export BUILDKIT_HOST='docker-container://buildkit'
./bin/instantpack build .Instantpack keeps upstream railpack.json compatibility. Environment variables accept both INSTANTPACK_* and legacy RAILPACK_* prefixes.
Push a version tag to trigger the GitHub Actions release workflow:
./scripts/release-instantpack.sh v0.1.0This publishes CLI binaries and the GHCR images above.
Instantpack tracks railwayapp/railpack. Upstream docs remain useful for build plan behavior: railpack.com.