1/4 Copying the web folder (JSP pages, web.xml, static files, sample database) ...
2/4 Compiling the application (src/) against the Servlet 6.0 API ...
3/4 Adding the JDBC driver (and the jars in lib-extra/, e.g. JSTL for Tomcat) ...
    note: lib-extra/ has no jars. Fine for ./run.sh; Tomcat needs the two JSTL jars (lib-extra/README.md).
4/4 Compiling MiniContainer and packing dist/laundry.war ...
Done: dist/laundry.war (13M)
