vh
91d5417b0b
Two-service compose (chamber + forseti sidecar daemon) sharing a single
SQLite store via bind-mount under /opt/docker/conf/althing-chamber/data.
eventbus.bridge_from_db is the cross-process glue — forseti's commits
reach chamber's SSE subscribers via the bridge.
Pattern matches task-board's build-on-host deploy:
- elway playbook clones vh/althing into /opt/docker/build/
- docker build -t althing-chamber:local . (no registry)
- playbook uploads compose + seeds .env one-time, brings both
services up, polls /health
- Gitea Actions workflow lives in vh/althing; reference copy here.
Internal tooling — host port 7881 (chamber's default of 7878 collides
with task-board). LAN-direct, no Traefik. Container always listens on
8000 internally.
Scaffold will fail to bring the chamber container up healthy until
galdrabok-side commits land:
- Dockerfile at vh/althing repo root (two-stage: uv-bookworm-slim
build → python:3.12-slim runtime, locked per open_questions §2
of the v1 contract).
- GET /health endpoint on the chamber app (200, no DB read).
- ALTHING_BIND / ALTHING_PORT env-var support in
core.cli.chamber_serve / core.chamber.cli (env > config.yaml >
defaults precedence).
Coordinated via althing thread 01KRMAK7RD7TP6C8DF4KXV31RT.
77 lines
3.3 KiB
YAML
77 lines
3.3 KiB
YAML
# althing-chamber + forseti — web UI + moderator daemon for the althing
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# inter-agent message bus.
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#
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# Two services share the althing SQLite store via a single bind-mount:
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# althing-chamber — FastAPI/HTMX app (port 7881 host → 8000 container)
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# althing-forseti — moderator daemon (no port; cross-process glue via the DB)
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#
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# eventbus.bridge_from_db is load-bearing — forseti's DB commits reach
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# chamber's SSE subscribers via the bridge, not via shared memory or IPC.
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# Both processes read+write the same `~/.althing/althing.db` SQLite file
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# at /app/data/althing.db inside the container, backed by the host's
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# /opt/docker/conf/althing-chamber/data bind-mount.
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#
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# Image is built on the host from the vh/althing git repo by the deploy
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# playbook (`playbooks/deploy-althing-chamber.yaml`), which clones into
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# /opt/docker/build/althing-chamber and runs `docker build -t
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# althing-chamber:local .` before installing this compose and bringing
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# both services up. No registry.
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#
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# Internal tooling — accessed directly at http://10.250.50.70:7881 over
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# the LAN; does NOT traverse Traefik. State persists under
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# /opt/docker/conf/althing-chamber/data on the host.
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#
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# All tunables live in .env — edit that, not this file.
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services:
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althing-chamber:
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image: ${ALTHING_IMAGE}
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container_name: althing-chamber
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restart: unless-stopped
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ports:
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- "${ALTHING_BIND:-0.0.0.0}:${ALTHING_PORT}:8000"
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environment:
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# ALTHING_ROOT moves the entire ~/.althing dir; ALTHING_DB additionally
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# pins the SQLite path explicitly. Both point inside the bind-mount.
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- ALTHING_ROOT=/app/data
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- ALTHING_DB=/app/data/althing.db
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# ALTHING_BIND / ALTHING_PORT — galdrabok-side env-var precedence
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# (env > config.yaml > defaults) is being added in the same cycle
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# as this scaffold lands. Container always listens on 8000 internally;
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# the host port mapping above is the only externally-visible knob.
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- ALTHING_BIND=0.0.0.0
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- ALTHING_PORT=8000
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volumes:
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- ${ALTHING_DATA_DIR}:/app/data
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command: ["althing-chamber"]
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healthcheck:
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# Liveness probe — chamber's /health endpoint returns 200 with no DB
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# read (true liveness, not readiness). galdrabok adds this endpoint
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# in the same cycle as this scaffold; container will crashloop on
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# healthcheck until that lands.
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test: ["CMD-SHELL", "python -c 'import urllib.request,sys; r=urllib.request.urlopen(\"http://127.0.0.1:8000/health\",timeout=3); sys.exit(0 if r.status==200 else 1)' || exit 1"]
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interval: 30s
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timeout: 5s
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retries: 3
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start_period: 30s
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labels:
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- homepage.group=Toolchain
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- homepage.name=althing chamber
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- homepage.icon=mdi-bullhorn
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- homepage.description=Web UI for the althing inter-agent message bus
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- homepage.href=http://10.250.50.70:${ALTHING_PORT}
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althing-forseti:
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image: ${ALTHING_IMAGE}
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container_name: althing-forseti
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restart: unless-stopped
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environment:
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- ALTHING_ROOT=/app/data
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- ALTHING_DB=/app/data/althing.db
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volumes:
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- ${ALTHING_DATA_DIR}:/app/data
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command: ["althing-forseti"]
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# No healthcheck — the forseti CLI doesn't expose one. Liveness signal
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# for ops is "container hasn't exited" + chamber-side observation that
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# bridge_from_db events are flowing.
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