Update Dockerfile

Dockerfile

@@ -1,42 +1,36 @@
+# Use the official lightweight Python image
 FROM python:3.10-slim
 
-# Install system dependencies
-RUN apt-get update && apt-get install -y \
-    build-essential \
-    curl \
-    software-properties-common \
-    git \
-    libjpeg-dev \
-    zlib1g-dev \
-    && rm -rf /var/lib/apt/lists/*
-
-# Create a non-root user
-RUN useradd -m streamlit_user
+# Set environment variables to avoid prompts during installs
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
 
 # Set working directory
 WORKDIR /home/streamlit_user/app
 
-# Set permissions so non-root user can write to this directory
-RUN chown -R streamlit_user:streamlit_user /home/streamlit_user/app
+# Install system dependencies
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    git \
+    curl \
+    libgl1-mesa-glx \
+    && rm -rf /var/lib/apt/lists/*
 
-# Switch to non-root user
-USER streamlit_user
+# Copy requirements first to leverage Docker cache
+COPY requirements.txt ./requirements.txt
 
-# Make sure pip-installed binaries are available
-ENV PATH="/home/streamlit_user/.local/bin:$PATH"
+# Install Python dependencies
+RUN pip install --upgrade pip && \
+    pip install --no-cache-dir -r requirements.txt
 
-# Copy files to the new working directory
-COPY requirements.txt ./requirements.txt
+# Copy the rest of your app files
 COPY src/ ./src/
 
-# Install dependencies as the non-root user
-RUN pip install --user --no-cache-dir -r requirements.txt
-
-# Expose Streamlit's default port
+# Expose Streamlit default port
 EXPOSE 8501
 
-# Health check for container
-HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health
+# Streamlit specific environment variable to disable browser opening
+ENV STREAMLIT_SERVER_HEADLESS=true
 
 # Run the Streamlit app
 ENTRYPOINT ["streamlit", "run", "src/streamlit_app.py", "--server.port=8501", "--server.address=0.0.0.0"]