Update Dockerfile

Dockerfile

@@ -1,8 +1,20 @@
-FROM bwits/pdf2htmlex:latest
+FROM ubuntu:22.04
 
-# Install Python and Gradio
-RUN apt-get update && apt-get install -y python3 python3-pip && \
-    pip3 install gradio==4.24.0
+ENV DEBIAN_FRONTEND=noninteractive
+
+# Install dependencies
+RUN apt-get update && apt-get install -y \
+    wget fontconfig libfontconfig1 libfreetype6 libjpeg8 libpng16-16 \
+    libpoppler-glib8 libxml2 zlib1g libxrender1 libpangocairo-1.0-0 \
+    python3 python3-pip && \
+    apt-get clean
+
+# Download prebuilt pdf2htmlEX binary (built by bwits)
+RUN wget -O /usr/local/bin/pdf2htmlEX https://github.com/BWITS/pdf2htmlex-docker/releases/download/v0.18.8.rc2/pdf2htmlEX && \
+    chmod +x /usr/local/bin/pdf2htmlEX
+
+# Install Gradio
+RUN pip3 install gradio==4.24.0
 
 COPY app.py .