Update Dockerfile

Dockerfile

@@ -32,7 +32,8 @@ COPY flowise.json /data/flowise.json
 EXPOSE 7860 8000
 
 # ---- Startup: Chroma (uvicorn)  ➜ wait ➜ Flowise -------------------------
-CMD sh -c 'python3 -m chromadb.cli --path /data/chroma --host 0.0.0.0 --port 8000 --is-persistent --allow-cors "[\"*\"]" & \
+CMD sh -c 'chroma run --path /data/chroma --host 0.0.0.0 --port 8000 \
+           --is-persistent --allow-cors '\''["*"]'\'' & \
            while ! curl -s http://localhost:8000/api/v1/heartbeat >/dev/null; do \
              echo "Waiting for Chroma API…"; sleep 1; done && \
-           npx flowise start'
+           npx flowise start'