# WAR
- Web Application aRchive
- same with JAR

## Directory Structure
- `/WEB-INF` : should be hidden from browser
- `/WEB-INF/web.xml` : web application configuration file
- `/` : visible from browser

## Compress
- move to web app home
- `jar cvf app.war *`

## realted `server.xml`

```xml
<Host name="localhost"  appBase="webapps"
      unpackWARs="true" autoDeploy="true">
```