I cant see any major error in those lines. I still like to suggest a couple of ideas. They may help.
1. Create a new directory inside the CATALINA_HOME and specify that as the appBase for your host. As the webapps folder is the appBase for the default host there remains scope for a mix up if the application base for a new host is inside the webapps directory.
2. Insted of specifying a . as the document base for the <Context> create a directory and place the path here. Your app directory can be enywhere in your file system. I am not sure that a . will not mean that the CATALINA_HOME itself is the document base.