Update Dockerfile

Dockerfile

@@ -1,36 +1,38 @@
-# Use a smaller, more efficient base image
+# Use a lightweight Python base image
 FROM python:3.11-slim
 
-# Set environment variables to prevent caching and writing .pyc files
-ENV PYTHONDONTWRITEBYTECODE 1
-ENV PYTHONUNBUFFERED 1
+# Prevent .pyc files and ensure stdout/stderr are unbuffered
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1
 
-# Set the working directory
-WORKDIR /code
+# Set working directory inside the container
+WORKDIR /app
 
-# Create a non-root user and group to run the application
-RUN addgroup --system appgroup && adduser --system --group appuser
+# Create a non-root user and group
+RUN addgroup --system appgroup && adduser --system --ingroup appgroup appuser
 
-# Create necessary directories and set permissions *before* copying files
-# This improves layer caching.
-RUN mkdir -p /.cache ./.chroma \
-    && chown -R appuser:appgroup /.cache ./.chroma
+# Install system-level dependencies (e.g., for building wheels or fonts for Panel)
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    build-essential \
+    libgl1 \
+    curl \
+    && apt-get clean && rm -rf /var/lib/apt/lists/*
 
-# Copy dependency file and set permissions
-COPY --chown=appuser:appgroup ./requirements.txt /code/requirements.txt
+# Copy and install Python dependencies
+COPY --chown=appuser:appgroup requirements.txt .
+RUN pip install --upgrade pip && pip install --no-cache-dir -r requirements.txt
 
-# Install dependencies
-RUN python3 -m pip install --no-cache-dir --upgrade pip
-RUN python3 -m pip install --no-cache-dir --upgrade -r /code/requirements.txt
-
-# Copy the rest of the application code and set permissions
+# Copy the full app code
 COPY --chown=appuser:appgroup . .
 
-# Switch to the non-root user
+# Set file permissions
+RUN mkdir -p /.cache /app/.chroma && chown -R appuser:appgroup /.cache /app
+
+# Use non-root user
 USER appuser
 
-# Expose the port the app runs on
+# Expose Panel's default port
 EXPOSE 7860
 
-# Define the command to run the application
-CMD ["panel", "serve", "/code/app.py", "--address", "0.0.0.0", "--port", "7860",  "--allow-websocket-origin", "*"]
+# Launch the app
+CMD ["panel", "serve", "app.py", "--address", "0.0.0.0", "--port", "7860", "--allow-websocket-origin", "*"]