Update Dockerfile

Dockerfile

@@ -1,13 +1,14 @@
 FROM python:3.10-slim
 
+# 1. Variabili d'ambiente
 ENV DEBIAN_FRONTEND=noninteractive
 ENV PYTHONDONTWRITEBYTECODE=1
 ENV PYTHONUNBUFFERED=1
-
 ENV GRADIO_SERVER_NAME=0.0.0.0
 ENV GRADIO_SERVER_PORT=7860
 
-# System deps: R + compilers + common R pkg build deps
+# 2. Dipendenze di sistema: R + compilatori + librerie per pacchetti R grafici/web
+# Ho aggiunto libfontconfig1 e libfreetype6 per evitare errori con ggplot2
 RUN apt-get update && apt-get install -y --no-install-recommends \
     r-base \
     r-base-dev \
@@ -17,33 +18,30 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     libcurl4-openssl-dev \
     libssl-dev \
     libxml2-dev \
+    libfontconfig1-dev \
+    libfreetype6-dev \
     && rm -rf /var/lib/apt/lists/*
 
-# Install required R packages
-RUN R -e "install.packages(c('forecast','ggplot2','jsonlite','readr','dplyr','tidyr','stringr','lubridate','broom'), repos='https://cloud.r-project.org')"
-
+# 3. Setup cartella di lavoro
 WORKDIR /app
-COPY . /app
 
-# Python deps (from requirements.txt)
-RUN pip install --no-cache-dir -r requirements.txt
+# 4. Installazione pacchetti R (incluso ggplot2 e IRkernel)
+RUN R -e "install.packages(c('forecast','ggplot2','jsonlite','readr','dplyr','tidyr','stringr','lubridate','broom','IRkernel'), repos='https://cloud.r-project.org')" \
+    && R -e "IRkernel::installspec(user = FALSE)"
 
-# Notebook execution deps
-RUN pip install --no-cache-dir notebook ipykernel papermill
-
-# Pre-install packages that the notebooks install via !pip install
-# so papermill doesn't waste time or fail on them at runtime:
-#   datacreation.ipynb:  beautifulsoup4 pandas matplotlib seaborn numpy textblob
-#   pythonanalysis.ipynb: pandas matplotlib seaborn numpy textblob faker transformers vaderSentiment
-# Most are already in requirements.txt; add the extras:
-RUN pip install --no-cache-dir textblob faker transformers
+# 5. Copia del codice e dei notebook
+COPY . /app
 
-RUN python -m ipykernel install --user --name python3 --display-name "Python 3"
+# 6. Installazione dipendenze Python
+RUN pip install --no-cache-dir -r requirements.txt \
+    && pip install --no-cache-dir notebook ipykernel papermill textblob faker transformers \
+    && python -m ipykernel install --user --name python3 --display-name "Python 3"
 
-# R deps for notebook execution via papermill (IRkernel)
-RUN R -e "install.packages('IRkernel', repos='https://cloud.r-project.org/')"
-RUN R -e "IRkernel::installspec(user = FALSE)"
+# 7. Gestione Permessi (Fondamentale per Hugging Face Spaces)
+# Crea le cartelle che verranno usate dai notebook e rendile scrivibili
+RUN mkdir -p /app/runs /app/artifacts/py/figures /app/artifacts/py/tables /app/artifacts/r/figures /app/artifacts/r/tables \
+    && chmod -R 777 /app
 
+# 8. Esposizione porta e avvio
 EXPOSE 7860
-
 CMD ["python", "app.py"]