Add pyarrow for parquet support

Dockerfile

@@ -33,7 +33,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 
 # Backend Python + modelos (todo en UN solo RUN para evitar caché parcial)
 COPY app/geo-vision-clip-application/backend/requirements.txt /app/backend/requirements.txt
-RUN pip install --no-cache-dir \
+RUN     pip install --no-cache-dir \
     -r /app/backend/requirements.txt \
     torch>=2.1.0 \
     torchvision>=0.16.0 \
@@ -45,7 +45,8 @@ RUN pip install --no-cache-dir \
     pykrige \
     scipy \
     pandas>=2.0.0 \
-    scikit-learn>=1.3.0
+    scikit-learn>=1.3.0 \
+    pyarrow>=14.0.0
 
 # Copiar backend
 COPY app/geo-vision-clip-application/backend/ /app/backend/