Minimum settings for LaTeX in Docker on VSCode with extensions "Remote - Containers", "LaTeX Workshop"

.latexmkrc

#!/usr/bin/env perl

$pdf_mode         = 3;
$latex            = 'uplatex --kanji=utf8 -synctex=1 -file-line-error　-halt-on-error %O %S';
$bibtex           = 'upbibtex';
$dvipdf           = 'dvipdfmx %O -o %D %S';
$makeindex        = 'mendex %O -o %D %S';

devcontainer.json

{
  "name": "debian-latex-jp",
  "dockerComposeFile": "docker-compose.yml",
  "extensions": ["lfs.vscode-emacs-friendly", "james-yu.latex-workshop"],
  "service": "debian-latex-jp",
  "workspaceFolder": "/workdir",
  "shutdownAction": "stopCompose"
}

docker-compose.yml

version: "3"

services:
  debian-latex-jp:
    image: nukopy/debian-latex-jp
    command: sleep infinity
    volumes:
      - ../:/workdir
      - ./.latexmkrc:/root/.latexmkrc
    environment:
      SHELL: "/bin/bash"

settings.json

{
  "latex-workshop.latex.autoBuild.interval": 0,
  "latex-workshop.latex.autoBuild.run": "onFileChange",
  "latex-workshop.latex.autoClean.run": "onBuilt",
  "latex-workshop.latex.recipes": [
    {
      "name": "latexmk 🔃",
      "tools": ["latexmk"]
    }
  ],
  "latex-workshop.latex.tools": [
    {
      "name": "latexmk",
      "command": "latexmk",
      "args": ["-silent", "%DOC%"],
      "env": {}
    }
  ],
  "latex-workshop.latexindent.path": "/usr/local/texlive/2020/bin/x86_64-linux/latexindent",
  "latex-workshop.message.update.show": false,
  "latex-workshop.synctex.afterBuild.enabled": true,
  "latex-workshop.view.pdf.viewer": "tab",
}