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fix: run uv sync before dev services to keep venv up-to-date (#1626)

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The dev Docker Compose uses named volumes (langgraph-venv, gateway-venv)
to persist .venv across container restarts. Docker only populates named
volumes from the image on first creation — subsequent rebuilds do NOT
refresh existing volume contents.

When new dependencies are added to packages/harness/pyproject.toml
(e.g. langchain-anthropic), the stale named volume still contains
the old .venv missing the new packages, causing ModuleNotFoundError
at runtime.

Add `uv sync` before launching both gateway and langgraph services.
When deps are already satisfied this is a no-op (~1s), but when the
volume is stale it installs missing packages before the service starts.

Fixes #1624

Co-authored-by: Willem Jiang <willem.jiang@gmail.com>
This commit is contained in:
ZHANG Ning 2026-03-30 20:02:30 +08:00 committed by GitHub
parent 0f1b023a2a
commit b21792d9be
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1 changed files with 2 additions and 2 deletions
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docker/docker-compose-dev.yaml
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@ -116,7 +116,7 @@ services:
APT_MIRROR: ${APT_MIRROR:-}
UV_IMAGE: ${UV_IMAGE:-ghcr.io/astral-sh/uv:0.7.20}
container_name: deer-flow-gateway
command: sh -c "cd backend && PYTHONPATH=. uv run uvicorn app.gateway.app:app --host 0.0.0.0 --port 8001 --reload --reload-include='*.yaml .env' > /app/logs/gateway.log 2>&1"
command: sh -c "cd backend && uv sync && PYTHONPATH=. uv run uvicorn app.gateway.app:app --host 0.0.0.0 --port 8001 --reload --reload-include='*.yaml .env' > /app/logs/gateway.log 2>&1"
volumes:
- ../backend/:/app/backend/
# Preserve the .venv built during Docker image build — mounting the full backend/
@ -170,7 +170,7 @@ services:
APT_MIRROR: ${APT_MIRROR:-}
UV_IMAGE: ${UV_IMAGE:-ghcr.io/astral-sh/uv:0.7.20}
container_name: deer-flow-langgraph
command: sh -c "cd backend && uv run langgraph dev --no-browser --allow-blocking --host 0.0.0.0 --port 2024 --n-jobs-per-worker 10 > /app/logs/langgraph.log 2>&1"
command: sh -c "cd backend && uv sync && uv run langgraph dev --no-browser --allow-blocking --host 0.0.0.0 --port 2024 --n-jobs-per-worker 10 > /app/logs/langgraph.log 2>&1"
volumes:
- ../backend/:/app/backend/
# Preserve the .venv built during Docker image build — mounting the full backend/