Refactor PaddleOCR service installation commands in docker-compose.yml

- Updated installation commands to use pip for better package management.
- Changed the command to serve PaddleOCR, ensuring compatibility with the latest paddlex package.

docker-compose.yml

@@ -705,8 +705,10 @@ services:
     profiles: ["paddleocr"]
     restart: unless-stopped
     command: /bin/sh -c "set -e; \
-      paddlex --install serving; \
-      exec paddlex --serve --pipeline OCR --device cpu --port 8080"
+      python -m pip install --upgrade pip; \
+      python -m pip install --no-cache-dir paddlex; \
+      python -m paddlex.command --install serving; \
+      exec python -m paddlex.command --serve --pipeline OCR --device cpu --port 8080"
     healthcheck:
       test: ["CMD-SHELL", "wget -qO- http://localhost:8080 > /dev/null || exit 1"]
       interval: 30s