Rename Dockerfile to dockerfile

Dockerfile → dockerfile

@@ -1,21 +1,18 @@
-# Dockerfile
-
 # Use the official Python slim image
 FROM python:3.10-slim-bookworm
 
-# Set environment variables for Python, caching, and llama-cpp build
+# Set environment variables to control caching and Python behavior
 ENV DEBIAN_FRONTEND=noninteractive
 ENV PYTHONUNBUFFERED=1
 ENV PYTHONDONTWRITEBYTECODE=1
 ENV HF_HOME=/app/cache
+ENV NUMBA_CACHE_DIR=/app/cache/numba_cache
+ENV CUDA_VISIBLE_DEVICES=""
 
-ENV FORCE_CMAKE=1
-
-# Install essential system dependencies, including cmake for llama-cpp
+# Install essential system dependencies
 RUN apt-get update && apt-get install -y --no-install-recommends \
-    build-essential \
-    cmake \
     git \
+    build-essential \
     espeak-ng \
     libsndfile1 \
     ffmpeg \
@@ -25,36 +22,38 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 # Set the working directory
 WORKDIR /app
 
-# Create a non-root user for security
+# ---- START: Non-Root User Configuration ----
+# Create a new user 'appuser' with UID 1000 and create their home directory
 RUN useradd --create-home --uid 1000 appuser
+
+# Switch to the non-root user
 USER appuser
+
+# ---- Add this line to fix the PATH issue ----
 ENV PATH="/home/appuser/.local/bin:${PATH}"
 
-# Install llama-cpp-python first, using the build arguments
-RUN pip install --no-cache-dir llama-cpp-python
+# Create the cache directory and set ownership to the new user
+# This needs to run as root, so we'll adjust the Dockerfile structure slightly
+USER root
+RUN mkdir -p /app/cache && chown -R appuser:appuser /app /app/cache
+USER appuser
+# ---- END: Non-Root User Configuration ----
 
-# Copy and install the rest of the Python dependencies
+# Copy requirements file and install dependencies as the non-root user
 COPY --chown=appuser:appuser requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Download the GGUF model from Hugging Face Hub into a versioned models directory
-# This makes the final image self-contained and ready to run
-RUN huggingface-cli download neuphonic/neutts-air-gguf \
-    neutts-air.gguf \
-    --local-dir /app/models \
-    --local-dir-use-symlinks False
-
-# Clone the neutts-air library code as specified
+# Clone the NeuTTS Air repository
 RUN git clone https://github.com/neuphonic/neutts-air.git
 
-# Copy your main application file
+# Copy the application code
 COPY --chown=appuser:appuser app.py .
 
 # Expose the application port
 EXPOSE 7860
 
 # Add a health check to monitor the application's status
-HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=3 \
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
     CMD curl -f http://localhost:7860/health || exit 1
 
 # Set the command to run the application