Files
PaperClipAI/docker/agent-runtime/README.md
T
Nicky LeachandPaperclip 38d8f37172 fix(build): enforce Node 24 across Paperclip (#11792)
## Thinking Path

> - Paperclip is the open source app people use to manage AI agents for
work.
> - Paperclip runs across the CLI, server, adapters, plugins, CI, and
container images.
> - These surfaces declared different Node.js versions from 20 through
24.
> - A newer `@types/node` major can expose APIs that the supported
runtime does not provide.
> - Node.js 20 is no longer a suitable project baseline, and Node.js 24
is the current LTS line.
> - This pull request sets Node.js 24.11.0 as one repository-wide
baseline, adds a drift check, and gives users actionable startup
guidance when their runtime is too old.
> - The benefit is one clear runtime contract for development, release,
installation, and published packages.

## Linked Issues or Issue Description

Refs #2734

Refs #11727

Refs #739

## What Changed

- Require Node.js 24.11.0 or newer in all 42 package manifests and
runtime checks.
- Use Node.js 24 in GitHub Actions, Docker images, smoke images, sandbox
setup, portable installs, and esbuild targets.
- Align every direct `@types/node` declaration on `^24.0.0`.
- Prevent Dependabot from opening major `@types/node` upgrades without a
matching runtime decision.
- Add `.nvmrc` and a CI policy check for Node version drift.
- Update ACP version gates, tests, and user documentation for the new
minimum.
- Print a non-blocking warning on CLI and server startup when Node is
unsupported, with remediation through a version manager or the
documented downloaded `install.sh` workflow.
- Deduplicate that warning when `paperclipai run` boots the CLI and
server in the same process.

## Verification

- `node scripts/check-node-version-policy.mjs`
- `node --check scripts/check-node-version-policy.mjs`
- `node --check cli/esbuild.config.mjs`
- `node --check scripts/generate-npm-package-json.mjs`
- `bash -n scripts/install.sh scripts/test-install-sh-docker.sh
scripts/e2e-install-lifecycle.sh`
- Parsed all 42 package manifests and confirmed `engines.node` is
`>=24.11.0`.
- `git diff --check`
- `vitest run
packages/adapter-utils/src/sandbox-install-command.test.ts` passed with
3 tests.
- `vitest run cli/src/node-version.test.ts` passed with 4 tests.
- Directly exercised the shared warning helper for unsupported-version
messaging and same-process deduplication.
- The focused exe.dev suite could not resolve the locally unbuilt plugin
SDK from this isolated worktree. A full offline workspace install was
also blocked because the package-manager signature verifier requires
registry access. The full suite was not run locally; draft CI performs a
clean install and evaluates the wider impact.

## Risks

- This is a breaking runtime change for users, plugins, and deployments
that still use Node.js 20 or 22.
- Published workspace packages will now produce an engine warning or
failure in strict package managers on older Node.js releases.
- Node.js 24 can reveal dependency, native module, Playwright, or agent
CLI compatibility issues in CI.
- The bootstrap installer now installs Node.js 24 when the current
runtime is older than 24.11.0.
- The portable sandbox fallback is pinned to Node.js 24.11.0 and depends
on that upstream tarball remaining available.
- Unsupported runtimes continue booting after a warning, so a later
incompatibility can still fail at its point of use.
- The CLI and server share the warning policy through the published
`@paperclipai/shared` package; packaging checks must keep that subpath
export available.
- This PR does not commit `pnpm-lock.yaml` because repository policy
assigns lockfile generation to CI.

> For core feature work, check [`ROADMAP.md`](ROADMAP.md) first and
discuss it in `#dev` before opening the PR. Feature PRs that overlap
with planned core work may need to be redirected — check the roadmap
first. See `CONTRIBUTING.md`.

## Model Used

- OpenAI Codex based on GPT-5. The exact deployment ID and context
window are not exposed in this session. Reasoning, repository tools,
shell execution, and GitHub tools were enabled.

## Checklist

- [x] I have included a thinking path that traces from project context
to this change
- [x] I have specified the model used (with version and capability
details)
- [x] I have checked ROADMAP.md and confirmed this PR does not duplicate
planned core work
- [x] I have searched GitHub for duplicate or related PRs and linked
them above
- [x] I have either (a) linked existing issues with `Fixes: #` / `Closes
#` / `Refs #` OR (b) described the issue in-PR following the relevant
issue template
- [x] I have not referenced internal/instance-local Paperclip issues or
links (only public GitHub `#NNN` / `github.com/paperclipai/paperclip`
URLs)
- [x] My branch name describes the change (e.g. `docs/...`, `fix/...`)
and contains no internal Paperclip ticket id or instance-derived details
- [x] I have run tests locally and they pass
- [x] I have added or updated tests where applicable
- [x] I have updated relevant documentation to reflect my changes
- [x] I have considered and documented any risks above
- [x] All Paperclip CI gates are green
- [x] Greptile is 5/5 with no open P2s, recommendations, or follow-ups
- [x] I will address all Greptile and reviewer comments before
requesting merge

---------

Co-authored-by: Paperclip <noreply@paperclip.ing>
2026-08-21 10:17:52 -07:00

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Markdown

# Agent Runtime Image Family
Container images for running coding-agent harnesses in sandboxed environments (for example the kubernetes sandbox provider, stage 1 of the k8s contribution). Images are named `agent-runtime-{harness}:{version}` and published to `ghcr.io/paperclipai/` by the `agent-runtime-images` workflow. The registry is overridable: every reference flows through the `REGISTRY` bake variable.
## Image Lineup
- **`agent-runtime-base`**: Foundation. Ubuntu 22.04 + Node 24 + git + tini + non-root user (uid 1000) + the agent shim.
- **`agent-runtime-opencode`**: Extends base with `opencode-ai` globally installed.
- **`agent-runtime-pi`**: Extends base with `@mariozechner/pi-coding-agent`.
- **`agent-runtime-codex`**: Extends base with `@openai/codex`.
- **`agent-runtime-gemini`**: Extends base with `@google/gemini-cli` plus headless auth-mode settings.
- **`agent-runtime-claude`**: Extends base with `@anthropic-ai/claude-code` (symlinked as `claude-code`).
- **`agent-runtime-hermes`**: Dockerfile included in the bake group, not in the default publish scope (stub until a CLI package exists).
## Base Image Contents
**OS & Runtime:**
- Ubuntu 22.04
- Node.js 24 (via NodeSource APT repo)
- git
- tini (PID-1 init, ensures signal propagation)
- Non-root user `paperclip` (uid/gid 1000)
The NodeSource install puts `node` on the default `PATH`. The agent shim in this
image runs the harness directly with that `PATH`. The shim does not source a
login profile, and the runtime never writes a profile or an rc file. Some
sandbox providers instead wrap each command in a login shell. That shell sources
`/etc/profile` and the user profile files to read an owner-supplied `PATH`. No
exec path sources `nvm`. For the full exec-path contract, see
`packages/plugins/sandbox-providers/SANDBOX-REQUIREMENTS.md`.
**Paperclip Binaries:**
- `/usr/local/bin/paperclip-agent-shim`: Go binary compiled from `tools/agent-shim/`. Reads `/run/paperclip/runtime-command.json` and `syscall.Exec`s the harness CLI.
**Defaults:**
- `USER`: 1000:1000 (paperclip, non-root)
- `WORKDIR`: `/workspace` (mount workspace volumes here)
- `ENTRYPOINT`: `/usr/bin/tini --` (PID-1 reaper, forwards signals)
- `CMD`: `/usr/local/bin/paperclip-agent-shim`
## Building Locally
All targets build `linux/amd64` by default (see `buildx-bake.hcl`). Derived images chain off the `base` target through bake `contexts`, so the literal registry in each `FROM` line is overridden at build time and the whole family builds in one pass without pushing intermediates.
```bash
docker buildx bake -f docker/agent-runtime/buildx-bake.hcl --load
```
### Custom tag or registry
```bash
REGISTRY=myregistry VERSION=mytag \
docker buildx bake -f docker/agent-runtime/buildx-bake.hcl --load
```
## Quickstart Smoke Test
Build and verify the `agent-runtime-claude` image runs locally:
```bash
docker buildx bake -f docker/agent-runtime/buildx-bake.hcl base claude --load
docker run --rm ghcr.io/paperclipai/agent-runtime-claude:dev claude-code --version
```
## Agent Container (paperclip-agent-shim)
The main agent process runs as the shim (PID 1 under tini). The shim:
1. Reads `/run/paperclip/runtime-command.json` (path overridable via `-spec`), a JSON file mounted by whatever schedules the run
2. Parses `{ "command", "args" }`: the harness CLI and arguments
3. Resolves the command on PATH and `syscall.Exec`s it, replacing itself
4. SIGTERM from the kubelet propagates directly to the harness (no zombie processes)
**runtime-command.json Contract:**
```json
{
"command": "claude-code",
"args": ["--token", "xyz", "--workspace", "/workspace"]
}
```
The shim makes no assumptions about command structure; it is harness-agnostic. New harnesses swap the command/args; the base image stays the same.
## Security Model
- **Non-root execution**: user 1000:1000, no capability grants
- **PSS Restricted compatible**: no privileged containers, no host mounts; works with a read-only root filesystem (writable `/workspace` + `/tmp` mounts)
- **No secrets baked in**: API tokens and credentials come from per-run ephemeral Secrets mounted as env vars or files
- **Image signing**: cosign keyless OIDC in the publish workflow
## Publishing
`.github/workflows/agent-runtime-images.yml` builds and pushes the default scope (base, opencode, pi, codex, gemini, claude) on `workflow_dispatch` (with an explicit version tag) or on pushes to `master` touching these paths, then signs each digest with cosign keyless OIDC.