feat: add Docker support for offline deployment with qwen3:14b

Major additions:
- All-in-One Docker image with Ollama + models bundled
- Separate deployment option for existing Ollama installations
- Changed default model from qwen3:8b to qwen3:14b
- Comprehensive deployment documentation

Files added:
- Dockerfile: Basic app-only image
- Dockerfile.allinone: Complete image with Ollama + models
- docker-compose.yml: Easy deployment configuration
- docker-entrypoint.sh: Startup script for all-in-one image
- requirements.txt: Python dependencies
- .dockerignore: Exclude unnecessary files from image

Scripts:
- export-ollama-models.sh: Export models from local Ollama
- build-allinone.sh: Build complete offline-deployable image
- build-and-export.sh: Build and export basic image

Documentation:
- DEPLOYMENT.md: Comprehensive deployment guide
- QUICK_START.md: Quick reference for common tasks

Configuration:
- Updated config.py: DEFAULT_CHAT_MODEL = qwen3:14b
- Updated frontend/opro.html: Page title to 系统提示词优化

build-and-export.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+# Build and export Docker image for offline deployment
+# Usage: ./build-and-export.sh
+
+set -e
+
+IMAGE_NAME="system-prompt-optimizer"
+IMAGE_TAG="latest"
+EXPORT_FILE="${IMAGE_NAME}.tar"
+
+echo "=========================================="
+echo "Building Docker image..."
+echo "=========================================="
+docker build -t ${IMAGE_NAME}:${IMAGE_TAG} .
+
+echo ""
+echo "=========================================="
+echo "Exporting Docker image to ${EXPORT_FILE}..."
+echo "=========================================="
+docker save -o ${EXPORT_FILE} ${IMAGE_NAME}:${IMAGE_TAG}
+
+echo ""
+echo "=========================================="
+echo "Export complete!"
+echo "=========================================="
+ls -lh ${EXPORT_FILE}
+
+echo ""
+echo "Next steps:"
+echo "1. Transfer ${EXPORT_FILE} to target server"
+echo "2. Transfer docker-compose.yml to target server (optional)"
+echo "3. On target server, run: docker load -i ${EXPORT_FILE}"
+echo "4. On target server, run: docker-compose up -d"
+echo ""
+echo "See DEPLOYMENT.md for detailed instructions."
+