Dockerfile

# ===== Imagen base del curso =====
FROM public.ecr.aws/deeplearning-ai/public-courses:base-python3.11-v6

# Carpeta de trabajo dentro del contenedor
WORKDIR /home/jovyan/work

# Usamos root para instalar paquetes
USER root

# ===== Copiar TODO el contenido que la plataforma pone en works/ =====
# (notebook, html, requirements, etc. si existen)
COPY works /home/jovyan/work

# ===== Instalar dependencias si existe requirements.txt =====
RUN if [ -f /home/jovyan/work/requirements.txt ]; then \
      echo "Found requirements.txt, installing..." && \
      pip3 install -r /home/jovyan/work/requirements.txt && \
      pip3 cache purge ; \
    else \
      echo "No requirements.txt found in /home/jovyan/work, skipping pip install"; \
    fi

# Variables de entorno
ENV PYTHONPATH=/home/jovyan/work

# Permisos para el usuario jovyan (el que usa Jupyter)
RUN chown -R jovyan:jovyan /home/jovyan
USER jovyan

# Puerto por defecto de Jupyter
EXPOSE 8888

# ===== Comando de arranque =====
CMD bash -c '\
  cd /home/jovyan/work && \
  export PYTHONPATH=/home/jovyan/work:$PYTHONPATH && \
  # Deshabilitar JupyterLab (usar Notebook clásico)
  jupyter server extension disable jupyterlab >/dev/null 2>&1 || true && \
  # Timeout de inactividad (0 = nunca apaga)
  IDLE="${JUPYTER_IDLE_TIMEOUT:-0}" && \
  exec jupyter notebook \
    --no-browser \
    --ip=0.0.0.0 \
    --port=8888 \
    --NotebookApp.token="" \
    --NotebookApp.password="" \
    --NotebookApp.shutdown_no_activity_timeout="${IDLE}" \
    --ServerApp.shutdown_no_activity_timeout="${IDLE}" \
'