FIX BUG: Docker container is missing system libraries required for OpenCV

Dockerfile

@@ -1,11 +1,12 @@
-
 FROM python:3.11-slim
 
 WORKDIR /app
 
 # Install system dependencies
 RUN apt-get update && apt-get install -y \
     curl \
+    libgl1 \
+    libglib2.0-0 \
     && rm -rf /var/lib/apt/lists/*
 
 # Copy and install Python dependencies
@@ -19,4 +20,4 @@ COPY . .
 ENV PYTHONPATH=/app/src
 
 # Keep container running for interactive use
-CMD ["tail", "-f", "/dev/null"]
+CMD ["tail", "-f", "/dev/null"]

README.md

@@ -55,3 +55,5 @@ __Contributors:__
 - Vincent Harkins (@vharkins1)
 - Marc Vergés (@marcvergees) 
 - Jan Sans
+
+.

src/main.py

@@ -1,4 +1,5 @@
 import os
+from typing import Union
 # from backend import Fill  
 from commonforms import prepare_form 
 from pypdf import PdfReader