Add libxslt-dev

jupyterlab/Dockerfile

@@ -1,7 +1,7 @@
 FROM python:alpine
 
 # Install required packages
-RUN apk add --update --virtual=.build-dependencies alpine-sdk nodejs ca-certificates musl-dev gcc python-dev make cmake g++ gfortran libpng-dev freetype-dev libxml2-dev
+RUN apk add --update --virtual=.build-dependencies alpine-sdk nodejs ca-certificates musl-dev gcc python-dev make cmake g++ gfortran libpng-dev freetype-dev libxml2-dev libxslt-dev
 RUN apk add --update git
 
 # Install Jupyter