Fix logback configuration.

src/main/resources/logback.xml

@@ -1,4 +1,17 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <configuration>
-  <logger name="scala.slick" level="INFO" />
+  <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+    <encoder>
+      <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+    </encoder>
+  </appender>
+
+  <root level="INFO">
+    <appender-ref ref="STDOUT" />
+  </root>
+  
+  <!--
+  <logger name="service.WebHookService" level="DEBUG" />
+  <logger name="servlet" level="DEBUG" />
+  -->
 </configuration>