add docker

Dockerfile

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+# Use a lightweight Python base image
+FROM python:3.10-slim
+
+# Set environment variables
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+
+# Set working directory
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    git \
+    build-essential \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install PyTorch CPU version
+RUN pip install --no-cache-dir torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cpu
+
+# Copy the segment-anything-2 repo and install it in editable mode
+COPY segment-anything-2 ./segment-anything-2
+RUN pip install -e ./segment-anything-2
+
+# Copy the manual requirements and install them without dependencies
+COPY requirements_manual.txt .
+RUN pip install --no-deps -r requirements_manual.txt
+
+# Copy rest of the app
+COPY . .
+
+# Expose Gradio/Streamlit default port
+EXPOSE 7860
+
+# Start the app (adjust depending on whether you're using Gradio or Streamlit)
+CMD ["python", "app.py"]