Add pre-commit hook to update version

Dockerfile

@@ -1,16 +1,23 @@
+FROM node as css
+COPY . /
+RUN apt install -y npm && \
+    npm install && \
+    npx tailwindcss -i ./src/input.css -o ./src/web/tracker/static/base.css --minify
+
 FROM python:3.10-slim-bullseye
-ENV VIRTUAL_ENV=/opt/venv
-RUN python3 -m venv pip $VIRTUAL_ENV
-ENV PATH="$VIRTUAL_ENV/bin:$PATH"
-RUN pip install --no-cache-dir poetry
-RUN useradd --create-home --uid 1000 timetracker
+
+ENV VERSION_NUMBER 0.1.0-34-g8efce77
+
+RUN useradd --create-home --uid 1000 timetracker && \
+    pip install --no-cache-dir poetry && \
+    poetry install --without dev
+
 WORKDIR /home/timetracker/app
 COPY . /home/timetracker/app/
 RUN chown -R timetracker:timetracker /home/timetracker/app
-RUN poetry install --without dev
+
 COPY entrypoint.sh /
 RUN chmod +x /entrypoint.sh
 USER timetracker
 EXPOSE 8000
-ENV VERSION_NUMBER 0.1.0-18-gb8a15e4
 ENTRYPOINT [ "/entrypoint.sh" ]