Summary

• Add docker/Dockerfile — multi-stage build using bun build --compile --minify for a standalone binary on ubuntu:24.04 with curl and jq
• Add .github/workflows/docker.yml — automated build & push to perstack/perstack on Docker Hub, triggered by perstack@* release tags
• Add .dockerignore, docker/example/ with example Dockerfile and perstack.toml
• Update docs/operating-experts/deployment.md to use the new base image
• Add docker:build convenience script to root package.json

Image tags on release: 0.0.94, 0.0, latest, sha-<commit>

Test plan

• Local build: bun run docker:build
• Binary runs: docker run --rm perstack/perstack:local --version
• E2E: docker run --rm --env-file .env -v perstack.toml:/workspace/perstack.toml perstack/perstack:local run my-expert "query"
• CI: verify Docker workflow triggers on next release tag

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