Fix opencv installation

backend/Dockerfile

@@ -1,6 +1,55 @@
 FROM python:3.10
+# Various Python and C/build deps
+RUN apt-get update && apt-get install -y \ 
+    wget \
+    build-essential \ 
+    cmake \ 
+    git \
+    unzip \ 
+    pkg-config \
+    python-dev \ 
+    python-opencv \ 
+    libopencv-dev \ 
+    libav-tools  \ 
+    libjpeg-dev \ 
+    libpng-dev \ 
+    libtiff-dev \ 
+    libjasper-dev \ 
+    libgtk2.0-dev \ 
+    python-numpy \ 
+    python-pycurl \ 
+    libatlas-base-dev \
+    gfortran \
+    webp \ 
+    python-opencv \ 
+    qt5-default \
+    libvtk6-dev \ 
+    zlib1g-dev 
+
+# Install Open CV - Warning, this takes absolutely forever
+RUN mkdir -p ~/opencv cd ~/opencv && \
+    wget https://github.com/opencv/opencv/archive/3.0.0.zip && \
+    unzip 3.0.0.zip && \
+    rm 3.0.0.zip && \
+    mv opencv-3.0.0 OpenCV && \
+    cd OpenCV && \
+    mkdir build && \ 
+    cd build && \
+    cmake \
+    -DWITH_QT=ON \ 
+    -DWITH_OPENGL=ON \ 
+    -DFORCE_VTK=ON \
+    -DWITH_TBB=ON \
+    -DWITH_GDAL=ON \
+    -DWITH_XINE=ON \
+    -DBUILD_EXAMPLES=ON .. && \
+    make -j4 && \
+    make install && \ 
+    ldconfig
+
 WORKDIR /home/app
-COPY . ./
+COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
+COPY . .
 EXPOSE 3030
-CMD ["python", "./app.py"]
+CMD ["python", "app.py"]