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## Description `docker compose up -d` published every service on `0.0.0.0`, and none of the three authenticates an inbound caller by default: | port | service | default auth | |---|---|---| | 8787 | proxy | `/v1/*` data plane open unless `HEADROOM_PROXY_TOKEN` is set | | 6333/6334 | Qdrant | **none at all** — holds embeddings derived from prompts | | 7474/7687 | Neo4j | `NEO4J_AUTH` falls back to `neo4j/devpassword`, published in this file | So the shipped default handed any peer on the surrounding network a relay through the proxy plus direct read/write on the vector and graph stores built from the operator's own prompt content. The proxy already warns about exactly this shape at `headroom/proxy/server.py:3289` — the compose file just never took its own advice. ## Type of Change - [x] Bug fix (non-breaking change that fixes an issue) - [ ] New feature (non-breaking change that adds functionality) - [x] Breaking change (fix or feature that would cause existing functionality to change) - [ ] Documentation update ## Changes Made - Pinned all five published ports to `127.0.0.1`. - Documented in the file header how to expose the proxy deliberately, pairing the port override with `HEADROOM_PROXY_TOKEN` rather than leaving that implicit. - Added a commented `HEADROOM_PROXY_TOKEN` entry to the proxy service environment. - Added a regression test asserting every published port names a loopback host IP. ## Testing - [x] Unit tests pass - [x] Linting passes (ruff check + format) - [ ] Type checking passes — N/A (YAML + test only) - [x] New tests added for new functionality ### Test Output ```text $ .venv/bin/python -m pytest tests/test_docker_compose_persistence.py -q 3 passed in 0.14s $ docker compose -f docker-compose.yml config # validates headroom-proxy host_ip=127.0.0.1 published=8787 -> 8787 neo4j host_ip=127.0.0.1 published=7474 -> 7474 neo4j host_ip=127.0.0.1 published=7687 -> 7687 qdrant host_ip=127.0.0.1 published=6333 -> 6333 qdrant host_ip=127.0.0.1 published=6334 -> 6334 ``` Against the parent commit: ```text FAILED test_top_level_compose_publishes_only_to_loopback E AssertionError: headroom-proxy: port '8787:8787' publishes on all interfaces ``` ## Real Behavior Proof - Environment: macOS 15 (darwin 25.4.0), Docker Compose v2 available locally. - Exact command / steps: `docker compose -f docker-compose.yml config --format json` before and after, comparing the resolved `host_ip` on every published port. - Observed result: before, no port carried a `host_ip` (Docker binds `0.0.0.0`); after, all five resolve to `host_ip=127.0.0.1`. The compose file still validates. - Not tested: bringing the stack up and probing the ports from a second machine on the LAN — the assertion is made against Docker's own resolved configuration rather than a live two-host network. ## Runtime Rollout Safety - Rollout-managed feature(s): none. - Minimum rollout channel: N/A. - Stable/default behavior changed: yes — the compose stack is no longer reachable from other machines by default. - Kill switch / disable path: override `ports:` in a `docker-compose.override.yml`; the header documents this and pairs it with `HEADROOM_PROXY_TOKEN`. - Unsafe override required: none. - Qualification impact: none. - Rollback path: revert this commit. ## Review Readiness - [x] I have performed a self-review - [x] This PR is ready for human review ## Checklist - [x] My code follows the project's style guidelines - [x] I have performed a self-review of my code - [x] I have commented my code, particularly in hard-to-understand areas - [x] I have made corresponding changes to the documentation (the compose header) - [x] My changes generate no new warnings - [x] I have added tests that prove my fix is effective - [x] New and existing unit tests pass locally with my changes ## Additional Notes **This is a deliberate breaking change for one workflow**: anyone reaching the compose proxy from another machine will need to override `ports:`. That is exactly the configuration that was unsafe, so it should break loudly rather than silently. `http://localhost:8787` from the host is unchanged, the container still listens on `0.0.0.0` internally, and service-to-service traffic on the compose network is unaffected. Scope note: I fixed all three services rather than only the proxy. Closing 8787 while leaving an unauthenticated Qdrant and a default-password Neo4j published on `0.0.0.0` would not have improved the security posture. Co-authored-by: Tejas Chopra <tejas@Tejass-MacBook-Pro.local>
65 lines
2.7 KiB
Python
65 lines
2.7 KiB
Python
"""Regression checks for Docker Compose persistence wiring."""
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from __future__ import annotations
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from pathlib import Path
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import yaml
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ROOT = Path(__file__).resolve().parents[1]
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def test_top_level_compose_publishes_only_to_loopback() -> None:
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"""Every published port must name an explicit loopback host IP.
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None of the three services authenticates by default: the proxy's /v1/*
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data plane is open without HEADROOM_PROXY_TOKEN, Qdrant has no API key,
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and NEO4J_AUTH falls back to a password published in the compose file. A
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bare "8787:8787" binds 0.0.0.0 on the host, so `docker compose up -d` on a
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shared network would expose all three.
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"""
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compose = yaml.safe_load((ROOT / "docker-compose.yml").read_text(encoding="utf-8"))
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published = [
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(service, port)
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for service, spec in compose["services"].items()
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for port in spec.get("ports", [])
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]
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assert published, "expected the compose file to publish at least one port"
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for service, port in published:
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# Short syntax is "HOST_IP:HOST_PORT:CONTAINER_PORT"; anything with
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# fewer than three segments is published on every interface.
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assert isinstance(port, str), f"{service}: expected short-syntax port, got {port!r}"
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segments = port.split(":")
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assert len(segments) == 3, f"{service}: port {port!r} publishes on all interfaces"
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assert segments[0] in {"127.0.0.1", "::1"}, (
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f"{service}: port {port!r} publishes on {segments[0]}, not loopback"
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)
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def test_top_level_compose_pins_headroom_state_to_named_volume() -> None:
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compose = (ROOT / "docker-compose.yml").read_text(encoding="utf-8")
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assert "- headroom_workspace:/home/nonroot/.headroom" in compose
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assert "- HOME=/home/nonroot" in compose
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assert "- HEADROOM_WORKSPACE_DIR=/home/nonroot/.headroom" in compose
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assert "- HEADROOM_CONFIG_DIR=/home/nonroot/.headroom/config" in compose
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def test_top_level_compose_marks_source_build_version() -> None:
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compose = (ROOT / "docker-compose.yml").read_text(encoding="utf-8")
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dockerfile = (ROOT / "Dockerfile").read_text(encoding="utf-8")
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dockerignore = (ROOT / ".dockerignore").read_text(encoding="utf-8")
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assert "HEADROOM_BUILD_VERSION: ${HEADROOM_BUILD_VERSION:-source-build}" in compose
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assert 'ARG HEADROOM_BUILD_VERSION=""' in dockerfile
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assert "ARG PYTHON_SITE_PACKAGES" in dockerfile
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assert "if not build_version:" in dockerfile
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assert "source-build+g{revision}" in dockerfile
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assert "source-build+sha256." in dockerfile
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assert "_build_info.py" in dockerfile
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assert "import headroom._version" not in dockerfile
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assert ".git/*" in dockerignore
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assert "!.git/HEAD" in dockerignore
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assert "!.git/refs/**" in dockerignore
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