latex:
(1) c.LatexConfig.latex_command = 'pdflatex' should be added on /root/.jupyter/jupyter_notebook_config.py, as implemented in Dockerfile)
(2) For missing PACKAGE (.sty) error, corresponding .sty file should be pasted on /usr/share/texlive/texmf-dist/tex/latex/[PACKAGE_NAME]/[PACKAGE.sty] and mktexlsr is executed for database update.