Dockerfile

# Use a compatible Python base image
FROM python:3.10-slim

# Set working directory
WORKDIR /app

# Copy files
COPY . .

# Install system dependencies
RUN apt-get update && apt-get install -y \
    wget \
    ffmpeg \
    libgl1 \
    && rm -rf /var/lib/apt/lists/*

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Create writable dirs for matplotlib, fontconfig, and mediapipe models
RUN mkdir -p /tmp/mplconfig /app/.cache/fontconfig /app/models/mediapipe && \
    chmod -R 777 /tmp/mplconfig /app/.cache /app/models

# Download mediapipe model to a writable path
RUN wget -O /app/models/pose_landmark_heavy.tflite \
    https://storage.googleapis.com/mediapipe-assets/pose_landmark_heavy.tflite

# Set environment variables
ENV MPLCONFIGDIR=/tmp/mplconfig
ENV XDG_CACHE_HOME=/app/.cache
ENV FONTCONFIG_PATH=/etc/fonts
ENV HOME=/app

# Expose the port used by Flask
EXPOSE 8000

# Command to run the app
CMD ["python", "app.py"]