Add Dockerfile for setting up CUDA environment with Python 3.11

dockerfile

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+# Use the official NVIDIA CUDA base image
+FROM nvidia/cuda:11.7.1-cudnn8-devel-ubuntu20.04
+
+# Set environment variable to avoid prompts during package installation
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Add the deadsnakes PPA and install Python 3.11 and other necessary dependencies
+RUN apt-get update && apt-get install -y software-properties-common && \
+    add-apt-repository ppa:deadsnakes/ppa && \
+    apt-get update && apt-get install -y \
+    python3.11 \
+    python3.11-dev \
+    python3.11-distutils \
+    curl \
+    build-essential \
+    libgl1-mesa-glx \
+    ffmpeg \
+    libsm6 \
+    libxext6
+
+# Manually install pip for Python 3.11
+RUN curl -sS https://bootstrap.pypa.io/get-pip.py | python3.11
+
+# Update alternatives to ensure python3 points to python3.11
+RUN update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.11 1 && \
+    update-alternatives --install /usr/bin/pip3 pip3 /usr/local/bin/pip3 1
+
+# Copy the application code inside the container
+WORKDIR /app
+
+# Install Python dependencies (if you have a requirements.txt)
+COPY requirements.txt .
+RUN pip3 install -r requirements.txt
+
+RUN pip3 install --no-cache-dir -U openmim && \
+    mim install mmengine && \
+    mim install "mmcv==2.0.1" && \
+    mim install "mmdet>=3.1.0" && \
+    mim install "mmpose>=1.1.0"
+
+ENV FFMPEG_PATH=/app/ffmpeg-7.0.2-amd64-static
+
+COPY . .
+
+# Specify the command to run your application (modify as needed)
+CMD ["python3", "app.py"]