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+FROM python:3.10-slim
+
+ENV DEBIAN_FRONTEND=noninteractive
+ENV PYTHONDONTWRITEBYTECODE=1
+ENV PYTHONUNBUFFERED=1
+
+# Gradio on HF Spaces
+ENV GRADIO_SERVER_NAME=0.0.0.0
+ENV GRADIO_SERVER_PORT=7860
+
+# System deps: R + common build deps for R/Python packages
+RUN apt-get update && apt-get install -y --no-install-recommends         r-base         r-base-dev         build-essential         curl         git         libcurl4-openssl-dev         libssl-dev         libxml2-dev         && rm -rf /var/lib/apt/lists/*
+
+# Install required R packages (for ranalysis.ipynb)
+RUN R -e "install.packages(c('forecast','ggplot2','jsonlite','readr','dplyr','tidyr','stringr','lubridate','broom'), repos='https://cloud.r-project.org')"
+
+WORKDIR /app
+
+# Install Python deps early for better caching
+COPY requirements.txt /app/requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Notebook execution + kernels (papermill is required by app.py)
+RUN pip install --no-cache-dir notebook ipykernel papermill
+RUN python -m ipykernel install --user --name python3 --display-name "Python 3"
+
+# R kernel for Jupyter (optional but helpful if you later execute R via notebooks)
+RUN R -e "install.packages('IRkernel', repos='https://cloud.r-project.org/')"
+RUN R -e "IRkernel::installspec(user = FALSE)"
+
+# Copy the rest of the app
+COPY . /app
+
+EXPOSE 7860
+CMD ["python", "app.py"]