support json logging

support json logging

solidify-authorization-server/src/main/resources/logback-spring.xml

+<configuration>
+    <springProfile name="basic-log">
+        <include resource="org/springframework/boot/logging/logback/base.xml"/>
+    </springProfile>
+
+    <!-- When spring profile "prod" or "test" is used, logs are written in JSON format (this is set in order to ease logs consumption
+         when retrieving logs on K8s server with rancher-logging which parse logs using fluentd service)-->
+    <springProfile name="json-log">
+        <appender name="jsonConsoleAppender" class="ch.qos.logback.core.ConsoleAppender">
+            <encoder class="net.logstash.logback.encoder.LogstashEncoder"/>
+        </appender>
+        <root level="INFO">
+            <appender-ref ref="jsonConsoleAppender"/>
+        </root>
+    </springProfile>
+</configuration>
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