Update PaddleOCR service configuration in docker-compose.yml

- Added python3 and python3-pip to the installation commands.
- Updated pip commands to use python3 and pip3 for compatibility.
- Ensured pip installs paddlex without cache to optimize image size.

docker-compose.yml

@@ -705,9 +705,9 @@ services:
     profiles: ["paddleocr"]
     restart: unless-stopped
     command: /bin/sh -c "set -e; \
-      apt-get update && apt-get install -y --no-install-recommends git wget && rm -rf /var/lib/apt/lists/*; \
-      python -m pip install --upgrade pip; \
-      pip install paddlex; \
+      apt-get update && apt-get install -y --no-install-recommends git wget python3 python3-pip && rm -rf /var/lib/apt/lists/*; \
+      python3 -m pip install --upgrade pip; \
+      pip3 install --no-cache-dir paddlex; \
       paddlex --install serving; \
       exec paddlex --serve --pipeline OCR --device cpu --port 8080"
     healthcheck: