diff --git a/Dockerfile b/Dockerfile
index c6fdd28..5a237f4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,18 +1,22 @@
-FROM python:3.12-slim
+FROM registry.bjzgzp.com:4433/library/python3.12:base
 
 WORKDIR /app
 
-RUN apt-get update && apt-get install -y --no-install-recommends \
+ARG APT_MIRROR=mirrors.tuna.tsinghua.edu.cn
+ARG PIP_INDEX_URL=https://pypi.tuna.tsinghua.edu.cn/simple
+
+RUN sed -i "s|deb.debian.org|${APT_MIRROR}|g; s|security.debian.org|${APT_MIRROR}|g" /etc/apt/sources.list.d/debian.sources \
+    && apt-get update && apt-get install -y --no-install-recommends \
     libgl1 \
     libglib2.0-0 \
     curl \
     && rm -rf /var/lib/apt/lists/*
 
 COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install --no-cache-dir -i "${PIP_INDEX_URL}" -r requirements.txt
 
 COPY . .
 
-EXPOSE 8000
+EXPOSE 18000
 
-CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "18000"]
diff --git a/docker-compose.python.yml b/docker-compose.python.yml
new file mode 100644
index 0000000..d852fb6
--- /dev/null
+++ b/docker-compose.python.yml
@@ -0,0 +1,12 @@
+version: "3.9"
+
+services:
+  python-service:
+    image: label-ai-service:latest
+    build:
+      context: .
+      dockerfile: Dockerfile
+    container_name: label-ai-service
+    ports:
+      - "18000:18000"
+    restart: unless-stopped
diff --git a/start.sh b/start.sh
new file mode 100644
index 0000000..93204af
--- /dev/null
+++ b/start.sh
@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+cd "$SCRIPT_DIR"
+
+COMPOSE_CMD="docker compose"
+if ! docker compose version >/dev/null 2>&1; then
+  if command -v docker-compose >/dev/null 2>&1; then
+    COMPOSE_CMD="docker-compose"
+  else
+    echo "Error: docker compose and docker-compose are both unavailable." >&2
+    exit 1
+  fi
+fi
+
+echo "==> Pulling latest code..."
+git pull
+
+echo "==> Building image..."
+docker build -t label-ai-service:latest -f Dockerfile .
+
+echo "==> Starting service..."
+$COMPOSE_CMD -f docker-compose.python.yml up -d
+
+echo "==> Service started. Check logs with:"
+echo "    $COMPOSE_CMD -f docker-compose.python.yml logs -f python-service"