use own logback configuration

pom.xml

@@ -36,6 +36,7 @@
 
   <properties>
     <nexus.version>2.3.0-04</nexus.version>
+    <logback.version>1.0.7</logback.version>
     <nexus.ga.trackerId>UA-30755831-3</nexus.ga.trackerId>
     <trackedRepositories>cms-releases</trackedRepositories>
   </properties>
@@ -134,6 +135,17 @@
       <scope>provided</scope>
     </dependency>
 
+    <dependency>
+      <groupId>ch.qos.logback</groupId>
+      <artifactId>logback-core</artifactId>
+      <version>${logback.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>ch.qos.logback</groupId>
+      <artifactId>logback-classic</artifactId>
+      <version>${logback.version}</version>
+    </dependency>
+
   </dependencies>
 
   <build>

src/main/resources/logback.xml

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+
+    Sonatype Nexus (TM) Open Source Version
+    Copyright (c) 2007-2012 Sonatype, Inc.
+    All rights reserved. Includes the third-party code listed at http://links.sonatype.com/products/nexus/oss/attributions.
+
+    This program and the accompanying materials are made available under the terms of the Eclipse Public License Version 1.0,
+    which accompanies this distribution and is available at http://www.eclipse.org/legal/epl-v10.html.
+
+    Sonatype Nexus (TM) Professional Version is available from Sonatype, Inc. "Sonatype" and "Sonatype Nexus" are trademarks
+    of Sonatype, Inc. Apache Maven is a trademark of the Apache Software Foundation. M2eclipse is a trademark of the
+    Eclipse Foundation. All other trademarks are the property of their respective owners.
+
+-->
+<configuration>
+<!-- always a good activate OnConsoleStatusListener -->
+<statusListener class="ch.qos.logback.core.status.OnConsoleStatusListener"/>
+
+<appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
+  <file>logs/nexus-ga.log</file>
+  <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
+    <fileNamePattern>logs/nexus-ga.%d{yyyy-MM-dd}.log.zip</fileNamePattern>
+  </rollingPolicy>
+
+  <encoder>
+    <pattern>combined</pattern>
+    <!--<pattern>%date %h %u "%i{Referer}" "%i{User-Agent}"</pattern>-->
+  </encoder>
+</appender>
+
+<appender-ref ref="FILE"/>
+</configuration>