Improved analysis tools for containerized application

Details:
- Added a file appender for the logs
- Installed vim to easily navigate logs

Dockerfile-standalone

@@ -1,8 +1,11 @@
 FROM harbor.d4science.org/gcube/smartgears-distribution:4.0.0-SNAPSHOT-java17-tomcat10.1.19
+   # Install vim
+   RUN apt update && apt install -y vim
+
+   RUN mkdir -p /etc/config/storagehub
    COPY ./target/storagehub.war /tomcat/webapps/
    COPY ./docker/jackrabbit /app/jackrabbit
    COPY ./docker/storagehub.xml /tomcat/conf/Catalina/localhost/
    COPY ./docker/logback.xml /etc/
    COPY ./docker/container.ini /etc/
-   RUN mkdir -p /etc/config/storagehub
    COPY ./docker/storage-settings.properties /etc/config/storagehub/

docker/logback.xml

@@ -1,25 +1,31 @@
 <configuration scan="true" debug="true">
 
 	<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
-	<encoder>Ï
+		<encoder>
+			<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+		</encoder>
+	</appender>
+	<appender name="FILE" class="ch.qos.logback.core.FileAppender">
+		<file>storagehub.log</file>
+		<encoder>
 			<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
 		</encoder>
 	</appender>
 
 
-	
 	<logger name="org.gcube" level="DEBUG" />
 	<logger name="org.gcube.smartgears" level="TRACE" />
-	<logger name="org.gcube.smartgears.handlers" level="TRACE"/>
+	<logger name="org.gcube.smartgears.handlers" level="TRACE" />
 	<logger name="org.gcube.common.events" level="WARN" />
 	<logger name="org.gcube.data.publishing" level="ERROR" />
 	<logger name="org.gcube.documentstore" level="ERROR" />
 	<logger name="org.gcube.common.core.publisher.is.legacy" level="TRACE" />
 	<logger name="org.gcube.data.access" level="TRACE" />
-	<logger name="org.gcube.data.access.storagehub.handlers" level="DEBUG"/>
+	<logger name="org.gcube.data.access.storagehub.handlers" level="DEBUG" />
 
 	<root level="WARN">
 		<appender-ref ref="STDOUT" />
+		<appender-ref ref="FILE" />
 	</root>
 
 </configuration>