Update requirements and lockfile

Dockerfile

@@ -1,7 +1,7 @@
 # read the doc: https://huggingface.co/docs/hub/spaces-sdks-docker
 # you will also find guides on how best to write your Dockerfile
 
-FROM python:3.9
+FROM python:3.12
 
 RUN useradd -m -u 1000 user
 
@@ -15,4 +15,4 @@ COPY --chown=user . /app
 
 EXPOSE 7860
 
-CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:7860", "app:server"]
+CMD ["gunicorn", "-w", "4", "-b", "0.0.0.0:7860", "app:server"]

requirements.in

@@ -0,0 +1,3 @@
+
+gunicorn
+vizro

requirements.txt

@@ -1,5 +1,5 @@
 # This file was autogenerated by uv via the following command:
-#    uv pip compile - -o requirements.txt
+#    uv pip compile requirements.in -o requirements.txt
 annotated-types==0.7.0
     # via pydantic
 blinker==1.8.2
@@ -36,6 +36,7 @@ flask==3.0.3
 flask-caching==2.3.0
     # via vizro
 gunicorn==23.0.0
+    # via -r requirements.in
 idna==3.7
     # via requests
 importlib-metadata==8.4.0
@@ -60,7 +61,6 @@ packaging==24.1
     #   plotly
 pandas==2.2.2
     # via vizro
-pip==24.2
 plotly==5.23.0
     # via dash
 pydantic==2.8.2
@@ -97,6 +97,7 @@ tzdata==2024.1
 urllib3==2.2.2
     # via requests
 vizro==0.1.20
+    # via -r requirements.in
 werkzeug==3.0.4
     # via
     #   dash