fix(ci): docker image

Author: jeertmans

docker/Dockerfile

@@ -1,9 +1,8 @@
-# Mostly a copy from https://github.com/ManimCommunity/manim/blob/68bd79093e1ebc1ed9f8051942ffe6e72a9e66a7/docker/Dockerfile
+# Mostly a copy from https://github.com/ManimCommunity/manim/blob/v0.18.1/docker/Dockerfile
 FROM python:3.11-slim
 
 RUN apt-get update -qq \
     && apt-get install --no-install-recommends -y \
-        ffmpeg \
         build-essential \
         gcc \
         cmake \
@@ -24,15 +23,16 @@ RUN wget -O /tmp/install-tl-unx.tar.gz http://mirror.ctan.org/systems/texlive/tl
     tar -xzf /tmp/install-tl-unx.tar.gz -C /tmp/install-tl --strip-components=1 && \
     /tmp/install-tl/install-tl --profile=/tmp/texlive-profile.txt \
     && tlmgr install \
-        amsmath babel-english cbfonts-fd cm-super ctex doublestroke dvisvgm everysel \
+        amsmath babel-english cbfonts-fd cm-super count1to ctex doublestroke dvisvgm everysel \
         fontspec frcursive fundus-calligra gnu-freefont jknapltx latex-bin \
-        mathastext microtype ms physics preview ragged2e relsize rsfs \
+        mathastext microtype multitoc physics prelim2e preview ragged2e relsize rsfs \
         setspace standalone tipa wasy wasysym xcolor xetex xkeyval
 
 # clone and build manim-slides
 COPY . /opt/manim-slides
 WORKDIR /opt/manim-slides
-RUN pip install --no-cache manim[jupyterlab] .[sphinx-directive]
+RUN pip install --no-cache-dir uv`
+RUN uv pip install --no-cache-dir --system manim[jupyterlab] .[sphinx-directive]
 
 ARG NB_USER=manimslidesuser
 ARG NB_UID=1000