Fix dockerfile will all cv dependencies

Dockerfile

@@ -1,6 +1,33 @@
 FROM python:3.9-slim
 
-RUN apt-get update && apt-get install -y libgl1 libglib2.0-0
+# Start with the official Python 3.9 image
+FROM python:3.9-slim
+
+# Install a comprehensive set of system libraries for headless OpenCV
+# This prevents errors like "libGL.so.1" and "libgthread-2.0.so.0"
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ffmpeg \
+    libsm6 \
+    libxext6 \
+    libgl1 \
+    libglib2.0-0 \
+ && apt-get clean \
+ && rm -rf /var/lib/apt/lists/*
+
+# Set the working directory inside the container
+WORKDIR /code
+
+# Copy the requirements file first to leverage Docker's layer caching
+COPY ./requirements.txt /code/requirements.txt
+
+# Install the Python dependencies
+RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+
+# Copy the rest of your application files
+COPY . .
+
+# Command to run the Uvicorn server
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]
 
 WORKDIR /code