feat(log): add backend log rolling file strategy

backend/.gitignore

@@ -35,3 +35,5 @@ out/
 
 ### VS Code ###
 .vscode/
+
+logs

backend/src/main/resources/log4j2.xml

@@ -1,20 +1,29 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<Configuration status="WARN" monitorInterval="30">
+<Configuration status="INFO" name="Heartbeat">
     <Properties>
         <Property name="LOG_PATTERN">
             %d{yyyy-MM-dd HH:mm:ss.SSS} [%highlight{%-5level}{FATAL=bg_red, ERROR=red, WARN=yellow, INFO=green}] [%t] %M(%c{1}:%L): %m%n%ex
         </Property>
     </Properties>
-
     <Appenders>
-        <Console name="ConsoleAppender" target="SYSTEM_OUT" follow="true">
-            <PatternLayout pattern="${LOG_PATTERN}"/>
-        </Console>
+      <Console name="ConsoleAppender" target="SYSTEM_OUT" follow="true">
+        <PatternLayout pattern="${LOG_PATTERN}"/>
+      </Console>
+        <RollingFile name="RollingFile" fileName="logs/Heartbeat.log"
+                     filePattern="logs/Heartbeat-%d{MM-dd-yyyy}-%i.log.gz">
+            <PatternLayout>
+                <Pattern>%d %p %c{1.} [%t] %m%n</Pattern>
+            </PatternLayout>
+            <Policies>
+                <SizeBasedTriggeringPolicy size="10 MB" />
+            </Policies>
+            <DefaultRolloverStrategy max="10"/>
+        </RollingFile>
     </Appenders>
-
     <Loggers>
         <Root level="info">
+            <AppenderRef ref="RollingFile"/>
             <AppenderRef ref="ConsoleAppender"/>
         </Root>
     </Loggers>
-</Configuration>
+</Configuration>

ops/infra/Dockerfile.backend

@@ -8,6 +8,7 @@ LABEL app=Heartbeat
 LABEL arch=Backend
 RUN groupadd -r nonroot && useradd --no-log-init -r -g nonroot nonroot
 RUN mkdir -p ./csv && chown -R nonroot:nonroot ./csv
+RUN mkdir -p ./logs && chown -R nonroot:nonroot ./logs
 USER nonroot
 
 EXPOSE 4322