docker: adds kestore password file and info on tomcat9-temurin-jammy pack into Dockerfile

FROM tomcat:9-jre17-temurin-jammy

# From: https://hub.docker.com/_/tomcat/

# The default Tomcat environment in the image is:

# CATALINA_BASE:   /usr/local/tomcat

# CATALINA_HOME:   /usr/local/tomcat

# CATALINA_TMPDIR: /usr/local/tomcat/temp

# JRE_HOME:        /usr

# CLASSPATH:       /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar

# The configuration files are available in /usr/local/tomcat/conf/.

ENV CATALINA_BASE=/usr/local/tomcat

ENV CATALINA_HOME=/usr/local/tomcat

tomcatskassl