maven을 이용해 js, css minify 하기

https://blutorange.github.io/closure-compiler-maven-plugin/minify-mojo.html

- com.google.javascript > closure-compiler-maven-plugin
https://www.javadoc.io/doc/com.google.javascript/closure-compiler/latest/com/google/javascript/jscomp/CompilerOptions.LanguageMode.html

https://www.cnblogs.com/qiyebao/p/14419923.html


- com.samaxes.maven > minify-maven-plugin
https://velog.io/@sanghyeon/Maven-maven%EC%9D%84-%EC%9D%B4%EC%9A%A9%ED%95%B4-js-css-minify-%ED%95%98%EA%B8%B0

https://stackoverflow.com/questions/49000121/spring-boot-minify-javascript

http://samaxes.github.io/minify-maven-plugin/

- etc
https://www.baeldung.com/maven-minification-of-js-and-css-assets