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Phase 2 — Containerization + Redis sessions

Outcome

  • Containerized ASGI app with /mcp, /healthz, /livez.

  • Redis-backed state for shared counter and persistence across restarts.

  • Lazy Redis init for reliable startup.

What we added

  • app.py wraps mcp.streamable_http_app() and wires health routes, CORS, and Redis lifecycle.

  • redis_client.py with ensure_redis().

  • docker-compose.yml with mcp and redis.

  • Dockerfile using Uvicorn (--lifespan on).

Run

docker compose up -d --build
curl http://127.0.0.1:8000/healthz     # {"status":"ok","redis":true}
uv run python examples/smoke_http_phase1.py
docker compose restart mcp
uv run python examples/smoke_http_phase1.py   # counter persists

Expected result

COUNTER: 2
COUNTER_AFTER: 4
...
# after restart:
COUNTER: 4
COUNTER_AFTER: 6

Using with VS Code Copilot Agent Mode

Workspace config: mcp.json

''' { "servers": { "prynai-mcp": { "type": "http", "url": "http://127.0.0.1:8000/mcp" } } } '''

  • Start the server first (local or Docker).

  • In Agent Mode, tools from prynai-mcp appear under Tools.