made logback configuration file overridable in Docker image without changing ENTRYPOINT

conf/logback.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE configuration>
+
+<configuration>
+    <import class="ch.qos.logback.classic.encoder.PatternLayoutEncoder"/>
+    <import class="ch.qos.logback.core.ConsoleAppender"/>
+
+    <appender name="console" class="ConsoleAppender">
+        <target>System.err</target>
+        <encoder class="PatternLayoutEncoder">
+            <pattern>%d [%highlight(%-5level)] \(%thread\) %logger{36} -%kvp- %msg %n</pattern>
+        </encoder>
+    </appender>
+
+    <root level="info">
+        <appender-ref ref="console"/>
+    </root>
+</configuration>

conf/logging.properties

@@ -0,0 +1,9 @@
+.level=FINEST
+
+handlers = java.util.logging.ConsoleHandler
+
+java.util.logging.ConsoleHandler.level     = FINER
+java.util.logging.ConsoleHandler.filter    =
+java.util.logging.ConsoleHandler.formatter = java.util.logging.SimpleFormatter
+java.util.logging.SimpleFormatter.format   = %1$tF %1$tT [%4$s] %2$s %5$s %6$s%n
+java.util.logging.ConsoleHandler.encoding  =