fix: update server port to 8080 in Dockerfile and application properties

backend/Dockerfile

@@ -16,6 +16,10 @@ RUN apt-get update && \
     apt-get install -y curl && \
     rm -rf /var/lib/apt/lists/*
 
+
 COPY --from=build /app/target/*.jar app.jar
-EXPOSE 8082
+EXPOSE 8080
 ENTRYPOINT ["java", "-jar", "app.jar"]
+
+HEALTHCHECK --interval=30s --timeout=3s \
+  CMD curl -f http://localhost:8080/api/actuator/health || exit 1

backend/src/main/resources/application.properties

@@ -1,4 +1,4 @@
-server.port=8082
+server.port=8080
 server.servlet.context-path=/api
 spring.application.name=backend