Use logstash as logging destination

compose.yml

@@ -6,7 +6,10 @@ services:
     env_file: .env
     networks:
       - anyame-shared
+      - elk-network
 
 networks:
   anyame-shared:
     external: true
+  elk-network:
+    external: true

pom.xml

@@ -35,6 +35,7 @@
         <spring-dotenv.version>4.0.0</spring-dotenv.version>
         <springdoc-openapi-starter.version>2.8.9</springdoc-openapi-starter.version>
         <spring-eureka-client.version>4.3.0</spring-eureka-client.version>
+        <logstash-logback-encoder.version>8.1</logstash-logback-encoder.version>
     </properties>
     <dependencies>
         <dependency>
@@ -72,6 +73,11 @@
             <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
             <version>${spring-eureka-client.version}</version>
         </dependency>
+        <dependency>
+            <groupId>net.logstash.logback</groupId>
+            <artifactId>logstash-logback-encoder</artifactId>
+            <version>${logstash-logback-encoder.version}</version>
+        </dependency>
 
         <dependency>
             <groupId>org.springframework.boot</groupId>

src/main/java/com/backend/extractor/kodik/service/anyame_backend/service/KodikHtmlParserService.java

@@ -10,6 +10,8 @@ import org.jsoup.Jsoup;
 import org.jsoup.nodes.Document;
 import org.jsoup.nodes.Element;
 import org.jsoup.select.Elements;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Service;
 
 import com.backend.extractor.kodik.service.anyame_backend.api.model.KodikEpisode;
@@ -22,6 +24,7 @@ import com.backend.extractor.kodik.service.anyame_backend.service.model.KodikMet
  */
 @Service
 public class KodikHtmlParserService {
+    private static final Logger log = LoggerFactory.getLogger(KodikHtmlParserService.class);
     private static final Pattern VIDEO_INFO_TYPE = Pattern.compile("https://kodik\\.info/([^\\s/]+)");
 
     public KodikMetadata parseMetadata(String html) {
@@ -99,6 +102,7 @@ public class KodikHtmlParserService {
         try {
             return Integer.parseInt(value);
         } catch (NumberFormatException e) {
+            log.error(String.format("invalid number format %s", value), e);
             return 0;
         }
     }

src/main/resources/logback.xml

@@ -0,0 +1,11 @@
+<configuration>
+    <appender name="LOGSTASH" class="net.logstash.logback.appender.LogstashTcpSocketAppender">
+        <destination>logstash:5044</destination>
+        <encoder class="net.logstash.logback.encoder.LogstashEncoder" />
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="LOGSTASH" />
+    </root>
+</configuration>
+