Dockerfile

FROM python:3.9-buster

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV DEBIAN_FRONTEND=noninteractive

# Install Node.js and ffmpeg
RUN echo "deb https://deb.nodesource.com/node_16.x buster main" > /etc/apt/sources.list.d/nodesource.list && \
    wget -qO- https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add - && \
    apt-get update && \
    apt-get install -yqq nodejs ffmpeg --no-install-recommends && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/* 

# Set work directory and copy code files
WORKDIR /code
COPY . .

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

# Download protobuf python library from source
RUN curl -L https://raw.githubusercontent.com/protocolbuffers/protobuf/main/python/google/protobuf/internal/builder.py \
    -o /usr/local/lib/python3.9/site-packages/google/protobuf/internal/builder.py