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# Start from the latest n8n image
FROM n8nio/n8n:latest
 # Install dependencies required for Pyenv, Python builds, FFmpeg, and nano
USER root
RUN apk add --no-cache bash curl git make gcc g++ zlib-dev bzip2-dev readline-dev sqlite-dev openssl-dev tk-dev libffi-dev linux-headers xz-dev ffmpeg nano
 # Set environment variables for Pyenv
ENV PYENV_ROOT="/home/node/.pyenv"
ENV PATH="$PYENV_ROOT/bin:$PYENV_ROOT/shims:$PATH"
 # Install Pyenv for the 'node' user
USER node
RUN curl https://pyenv.run | bash
 # Set up Pyenv in the shell environment for the 'node' user
RUN echo 'export PYENV_ROOT="$HOME/.pyenv"' >> /home/node/.bashrc && \
    echo 'export PATH="$PYENV_ROOT/bin:$PYENV_ROOT/shims:$PATH"' >> /home/node/.bashrc && \
    echo 'eval "$(pyenv init --path)"' >> /home/node/.bashrc && \
    echo 'eval "$(pyenv init -)"' >> /home/node/.bashrc && \
    echo 'eval "$(pyenv virtualenv-init -)"' >> /home/node/.bashrc
 # Install multiple Python versions as the 'node' user
RUN bash -c "source /home/node/.bashrc && \
    pyenv install 3.9.19 && \
    pyenv install 3.10.14 && \
    pyenv install 3.11.9 && \
    pyenv install 3.12.6 && \
    pyenv global 3.12.6"
 # Create a note with details about the installed tools and build date
RUN echo '### Custom n8n Docker Image Information ###' > /home/node/BUILD_INFO.txt && \
    echo "Built on: $(date)" >> /home/node/BUILD_INFO.txt && \
    echo "Installed Python versions: 3.9.19, 3.10.14, 3.11.9, 3.12.6 (default: 3.12.6)" >> /home/node/BUILD_INFO.txt && \
    echo "FFmpeg installed" >> /home/node/BUILD_INFO.txt && \
    echo "Pyenv installed at $PYENV_ROOT" >> /home/node/BUILD_INFO.txt && \
    echo "Nano installed" >> /home/node/BUILD_INFO.txt && \
    chown node:node /home/node/BUILD_INFO.txt
 # Set the user back to 'node' (default user for n8n)
USER node