Fix Dockerfile and Git LFS configuration for PDF file

.gitattributes

@@ -0,0 +1,2 @@
+*.pdf filter=lfs diff=lfs merge=lfs -text
+Dataset/*.pdf filter=lfs diff=lfs merge=lfs -text

Dockerfile

@@ -1,12 +1,24 @@
-FROM python:3.11-slim
+FROM python:3.10-slim
 
-WORKDIR /app
+WORKDIR /home/user/app
 
+# Install git and git-lfs
+RUN apt-get update && \
+    apt-get install -y git git-lfs && \
+    rm -rf /var/lib/apt/lists/*
+
+# Copy requirements first for better caching
 COPY requirements.txt .
 RUN pip install -r requirements.txt
 
+# Copy the rest of the application
 COPY . .
 
+# Explicitly copy and verify the PDF file
+COPY Dataset/Commercial\ Lending\ 101.pdf /home/user/app/Dataset/
+RUN ls -l /home/user/app/Dataset/Commercial\ Lending\ 101.pdf && \
+    echo "PDF file size: $(stat -f%z /home/user/app/Dataset/Commercial\ Lending\ 101.pdf) bytes"
+
 # Make port configurable via environment variable
 ENV PORT=8501