State of the Map Japan 2025 Website How to preview website with Docker and Visual studio code Install Docker Desktop or Docker CLI and Visual studio code Install the Remote development extension in visual studio code Open sotmjp2025 directory from visual studio code, and select "Reopen in container" in popup dialog Other way: Open sotmjp2025 directory and click the Remote window button on the Remote status bar, then select "Reopen in container" Wait a moment for the build environment to be set up in docker Open "new terminal" in visual studio code and enter the following command bundle exec jekyll serve