Introduce Dockerfile

Dockerfile

@@ -7,30 +7,44 @@ FROM docker.io/library/python:3.11-slim
 # Install system dependencies, including build tools and ffmpeg
 RUN apt-get update && apt-get install -y sox ffmpeg build-essential
 
-# Create a non-root user
-RUN useradd --create-home --shell /bin/bash appuser
-WORKDIR /home/appuser
+# Use Python 3.10 (best compatibility with NeMo 1.20.0)
+FROM python:3.10-slim
 
-# Copy requirements file and set correct ownership
-COPY --chown=appuser:appuser requirements.txt .
+# Set working directory
+WORKDIR /app
 
-# Install all Python dependencies
-RUN pip install --no-cache-dir -r requirements.txt
+# Install system dependencies
+# build-essential for compiling youtokentome, ffmpeg/libsndfile for audio
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    ffmpeg \
+    libsndfile1 \
+    sox \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy requirements first
+COPY requirements.txt .
+
+# Install Cython FIRST (critical for youtokentome)
+RUN pip install --no-cache-dir Cython
 
-# Switch to the non-root user
-USER appuser
+# Install torch before NeMo
+RUN pip install --no-cache-dir torch==1.13.1 torchaudio==0.13.1
 
-# Set the working directory for the application
-WORKDIR /home/appuser/app
+# Install pytorch-lightning with compatible version
+RUN pip install --no-cache-dir "pytorch-lightning==1.9.4"
 
-# Copy the application code and set correct ownership
-COPY --chown=appuser:appuser . .
+# Install youtokentome (now it can build with Cython)
+RUN pip install --no-cache-dir youtokentome
+
+# Install remaining requirements
+RUN pip install --no-cache-dir -r requirements.txt
 
-# Expose the port the app runs on
-EXPOSE 8000
+# Copy app files
+COPY backend.py app.py ./
 
-# Set the entrypoint for the container
-ENTRYPOINT ["gunicorn"]
+# Expose port (HFS expects 7860 for Gradio)
+EXPOSE 7860
 
-# Set the arguments for the entrypoint (this is your CMD)
-CMD ["--bind", "0.0.0.0:8000", "app:app"]
+# Run Gradio app
+CMD ["python", "app.py"]

requirements.txt

@@ -1,23 +1,5 @@
-# Install Cython first
-Cython
-
-# Core PyTorch
-torch==1.13.1
-torchaudio==0.13.1
-
-# Compatible PyTorch Lightning
-pytorch-lightning==1.9.4
-
-# Other required
+gradio==4.25.0
+numpy<1.24.0
 omegaconf>=2.0
 hydra-core
-numpy<1.24.0
-gradio==4.25.0
-
-# Install youtokentome via pre-built wheel (avoid source build)
---find-links https://download.pytorch.org/whl/torch_stable.html
---prefer-binary
-youtokentome
-
-# Finally, install NeMo
-git+https://github.com/NVIDIA/[email protected]#egg=nemo_toolkit[asr]&subdirectory=.
+nemo_toolkit[asr]>=1.20.0