Update Dockerfile

Dockerfile

@@ -1,58 +1,35 @@
-# Use a stable slim Python base image
-FROM python:3.10-slim
+# Use an official Python runtime as a parent image
+FROM python:3.9-slim
 
-# Set environment variables
-ENV PYTHONUNBUFFERED=1 \
-    LANG=C.UTF-8 \
-    LC_ALL=C.UTF-8 \
-    PIP_NO_CACHE_DIR=1 \
-    STREAMLIT_BROWSER_GATHER_USAGE_STATS=false
+# Set environment variables to prevent Python from writing .pyc files and to buffer outputs
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
 
-# Create working directory and Streamlit config path with correct permissions
+# Set the working directory in the container
 WORKDIR /app
-RUN useradd -m -u 1000 appuser && \
-    mkdir -p /home/appuser/.streamlit && \
-    chown -R appuser /home/appuser && \
-    apt-get update && apt-get install -y \
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
     build-essential \
     curl \
     git \
-    libglib2.0-0 \
-    libsm6 \
-    libxrender1 \
-    libxext6 \
-    libxml2 \
-    libxslt1-dev \
-    libffi-dev \
-    libbz2-dev \
-    liblzma-dev \
-    zlib1g-dev \
-    libjpeg-dev \
-    libpq-dev \
-    gcc \
-    && apt-get clean && rm -rf /var/lib/apt/lists/*
-
-# Switch to non-root user for safety
-USER appuser
-
-# Copy requirement files and install dependencies
-COPY --chown=appuser:appuser requirements.txt /app/
-RUN pip install --upgrade pip && pip install -r requirements.txt
-
-# Copy rest of the application code
-COPY --chown=appuser:appuser . /app
-
-# Streamlit config
-RUN echo "\
-[server]\n\
-headless = true\n\
-port = 8501\n\
-enableCORS = false\n\
-\n\
-[theme]\n\
-base = 'light'\n\
-" > /home/appuser/.streamlit/config.toml
-
-# Default command
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy the requirements file into the container
+COPY requirements.txt .
+
+# Install Python dependencies
+RUN pip install --upgrade pip && \
+    pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of the application code into the container
+COPY . .
+
+# Expose the port that Streamlit uses
 EXPOSE 8501
-CMD ["streamlit", "run", "app.py", "--server.address=0.0.0.0"]
+
+# Set the entry point to run the Streamlit application
+ENTRYPOINT ["streamlit", "run"]
+
+# Specify the default command to run the app
+CMD ["app.py", "--server.port=8501", "--server.address=0.0.0.0"]