update Dockerfile

Dockerfile

@@ -1,43 +1,35 @@
-FROM ubuntu:24.04
+FROM python:3.11
 
-# Set environment to noninteractive to avoid prompts during package installation
 ENV DEBIAN_FRONTEND=noninteractive
 
-# Install required packages: python3, pip, and pdflatex (via texlive)
-RUN apt-get update && apt-get install -y \
-    python3 \
-    python3-pip \
+# Install system dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
     texlive-latex-base \
     texlive-fonts-recommended \
-    texlive-fonts-extra \
     texlive-latex-recommended \
     texlive-xetex \
-    texlive-luatex \
     lmodern \
-    && apt-get clean \
-    && rm -rf /var/lib/apt/lists/*
+    curl \
+    git \
+    && apt-get clean && rm -rf /var/lib/apt/lists/*
 
-WORKDIR /app
-
-COPY . /app
-
-RUN pip install --no-cache-dir --upgrade pip \
-    && pip install --no-cache-dir --upgrade -r /app/requirements.txt
-
-# Set up a new user named "user" with user ID 1000
+# Create non-root user
 RUN useradd -m -u 1000 user
 
-# Switch to the "user" user
-USER user
-
-# Set home to the user's home directory
+# Set environment variables
 ENV HOME=/home/user \
-    PATH=/home/user/.local/bin:$PATH
+    PATH="/home/user/.local/bin:$PATH"
+
+USER user
 
-# Set the working directory to the user's home directory
+# Set working directories
 WORKDIR $HOME/app
 
-# Copy the current directory contents into the container at $HOME/app setting the owner to the user
+# Copy app files and install Python requirements
 COPY --chown=user . $HOME/app
 
+RUN python3 -m pip install --no-cache-dir --upgrade pip \
+ && pip install --no-cache-dir -r requirements.txt
+
 CMD ["streamlit", "run", "app.py", "--server.port", "8200"]