chore: Added chrysopedia-lightrag service to docker-compose.yml with Qd…

- "docker-compose.yml"
- ".env.lightrag"

GSD-Task: S01/T01

docker-compose.yml

@@ -77,6 +77,35 @@ services:
       start_period: 30s
     stop_grace_period: 15s
 
+  # ── LightRAG (graph-based RAG knowledge base) ──
+  chrysopedia-lightrag:
+    image: ghcr.io/hkuds/lightrag:latest
+    container_name: chrysopedia-lightrag
+    restart: unless-stopped
+    env_file:
+      - path: .env.lightrag
+        required: true
+    environment:
+      TIKTOKEN_CACHE_DIR: /app/data/tiktoken
+    ports:
+      - "127.0.0.1:9621:9621"
+    volumes:
+      - /vmPool/r/services/chrysopedia_lightrag:/app/data
+    depends_on:
+      chrysopedia-qdrant:
+        condition: service_healthy
+      chrysopedia-ollama:
+        condition: service_healthy
+    networks:
+      - chrysopedia
+    healthcheck:
+      test: ["CMD-SHELL", "curl -sf http://localhost:9621/health || exit 1"]
+      interval: 15s
+      timeout: 5s
+      retries: 5
+      start_period: 30s
+    stop_grace_period: 15s
+
   # ── FastAPI application ──
   chrysopedia-api:
     build: