add grafana loki config

src/main/resources/application.properties

@@ -1,4 +1,4 @@
-spring.application.name=tm
+spring.application.name=qpay-tm
 debug=false
 
 logging.level.org.springframework.boot.autoconfigure=INFO
@@ -70,3 +70,8 @@ powertel.clientid=zesa_prepaid_usd
 
 ecocash.apikey=OUzGezwTgktLg_9v0I48I6WUM4LVLGFl
 ecocash.url=https://developers.ecocash.co.zw/api/ecocash_pay/api/v2/payment/instant/c2b/sandbox
+
+management.tracing.enabled=true
+management.tracing.sampling.probability=1.0
+management.otlp.tracing.endpoint=http://62.171.179.108:10428/insert/opentelemetry/v1/traces
+management.otlp.logging.endpoint=http://62.171.179.108:9428/insert/opentelemetry/v1/logs

src/main/resources/logback-spring.xml

@@ -26,14 +26,31 @@
         </encoder>
     </appender>
 
+    <appender name="LOKI" class="com.github.loki4j.logback.Loki4jAppender">
+        <labels>
+            app=qpay-tm
+            host=${HOSTNAME}
+        </labels>
+        <http>
+            <url>http://62.171.179.108:3100/loki/api/v1/push</url> <!-- Replace with your Loki URL -->
+        </http>
+        <format>
+            <message>
+                <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %-5level [%thread] %logger{36} - %msg%n</pattern>
+            </message>
+        </format>
+    </appender>
+
     <!-- Root logger configuration -->
     <root level="INFO">
+        <appender-ref ref="LOKI"/>
         <appender-ref ref="CONSOLE" />
         <appender-ref ref="FILE" />
     </root>
 
     <!-- Specific logger for your application -->
     <logger name="zw.qantra.tm" level="INFO" additivity="false">
+        <appender-ref ref="LOKI"/>
         <appender-ref ref="CONSOLE" />
         <appender-ref ref="FILE" />
     </logger>