feat: better usage of java memory runtime & bump minor versions

Dockerfile

@@ -1,5 +1,14 @@
-FROM eclipse-temurin:21.0.3_9-jre
+FROM eclipse-temurin:21.0.4_7-jre
+
+ENV PATH_TO_JAR=/application/pogues-bo.jar
 WORKDIR application
 RUN rm -rf /application
-ADD ./target/pogues-bo.jar /application/pogues-bo.jar
-ENTRYPOINT ["java", "-jar",  "/application/pogues-bo.jar"]
+ADD ./target/pogues-bo.jar $PATH_TO_JAR
+
+ENV JAVA_TOOL_OPTIONS_DEFAULT \
+    -XX:MaxRAMPercentage=75 \
+    -XX:+UseParallelGC
+
+ENTRYPOINT [ "/bin/sh", "-c", \
+    "export JAVA_TOOL_OPTIONS=\"$JAVA_TOOL_OPTIONS_DEFAULT $JAVA_TOOL_OPTIONS\"; \
+    exec java -jar $PATH_TO_JAR" ]

pom.xml

@@ -5,15 +5,15 @@
 	<parent>
 		<groupId>org.springframework.boot</groupId>
 		<artifactId>spring-boot-starter-parent</artifactId>
-		<version>3.3.1</version>
+		<version>3.3.2</version>
 		<relativePath/>
 		<!-- lookup parent from repository -->
 	</parent>
 
 	<groupId>fr.insee</groupId>
 	<artifactId>Pogues-BO</artifactId>
 	<packaging>jar</packaging>
-	<version>4.7.5</version>
+	<version>4.7.6</version>
 	<name>Pogues-Back-Office</name>
 
 	<properties>
@@ -24,7 +24,7 @@
 		<fop.version>2.9</fop.version>
 		<springdoc-openapi-ui.version>2.6.0</springdoc-openapi-ui.version>
 		<jacoco.version>0.8.12</jacoco.version>
-		<saxon.version>12.4</saxon.version>
+		<saxon.version>12.5</saxon.version>
 		<liquibase.version>4.28.0</liquibase.version>
 
 		<caffeine.version>3.1.8</caffeine.version>

src/main/java/fr/insee/pogues/Pogues.java

@@ -1,23 +1,33 @@
 package fr.insee.pogues;
 
+import fr.insee.pogues.configuration.PropertiesLogger;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.builder.SpringApplicationBuilder;
+import org.springframework.boot.context.event.ApplicationReadyEvent;
 import org.springframework.boot.context.properties.ConfigurationPropertiesScan;
 import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
+import org.springframework.context.event.EventListener;
 import org.springframework.transaction.annotation.EnableTransactionManagement;
 
 @SpringBootApplication(scanBasePackages = "fr.insee.pogues")
 @EnableTransactionManagement
 @ConfigurationPropertiesScan
+@Slf4j
 public class Pogues extends SpringBootServletInitializer {
 
-	@Override
-	protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
-		return application.sources(Pogues.class);
+	public static SpringApplicationBuilder configureApplicationBuilder(SpringApplicationBuilder springApplicationBuilder){
+		return springApplicationBuilder.sources(Pogues.class).listeners(new PropertiesLogger());
 	}
 
 	public static void main(String[] args) {
-		SpringApplication.run(Pogues.class, args);
+		configureApplicationBuilder(new SpringApplicationBuilder()).build().run(args);
+	}
+
+	@EventListener
+	public void handleApplicationReady(ApplicationReadyEvent event) {
+		log.info("=============== Pogues Back-Office has successfully started. ===============");
 	}
 }

src/main/java/fr/insee/pogues/configuration/PropertiesLogger.java

@@ -1,12 +1,18 @@
 package fr.insee.pogues.configuration;
 
-import lombok.NonNull;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.boot.context.event.ApplicationEnvironmentPreparedEvent;
+import org.springframework.boot.context.event.ApplicationPreparedEvent;
+import org.springframework.boot.context.event.ApplicationReadyEvent;
+import org.springframework.boot.context.event.ApplicationStartingEvent;
 import org.springframework.context.ApplicationListener;
+import org.springframework.context.event.ContextRefreshedEvent;
+import org.springframework.context.event.ContextStartedEvent;
+import org.springframework.context.event.EventListener;
 import org.springframework.core.env.AbstractEnvironment;
 import org.springframework.core.env.EnumerablePropertySource;
 import org.springframework.core.env.Environment;
+import org.springframework.stereotype.Component;
 
 import java.util.Arrays;
 import java.util.Objects;
@@ -23,14 +29,40 @@ public class PropertiesLogger implements ApplicationListener<ApplicationEnvironm
 
     private static final Set<String> hiddenWords = Set.of("password", "pwd", "jeton", "token", "secret");
 
-    @Override
-    public void onApplicationEvent(@NonNull ApplicationEnvironmentPreparedEvent event) {
+    @EventListener
+    public void onApplicationEvent(ApplicationEnvironmentPreparedEvent  event) {
+        log.info("                 Logging environment variables started");
+        log.info("============================================================================");
+        log.info("                                Hardware");
+        log.info("============================================================================");
+        log.info("    ---->    Java memory");
+        Runtime runtime = Runtime.getRuntime();
+        final long mb = 1024 * 1024;
+        final long maxMemoryInMb = runtime.maxMemory() / mb;
+        final long allocatedMemoryInMb = runtime.totalMemory() / mb;
+        final long freeMemoryInMb = runtime.freeMemory() / mb;
+        int maxStrLength = String.valueOf(maxMemoryInMb).length();
+        log.info("+--------------------------------+-----{}+", "-".repeat(maxStrLength));
+        log.info("| Type of memory                 | Size{}|", " ".repeat(maxStrLength));
+        log.info("|--------------------------------|-----{}|", "-".repeat(maxStrLength));
+        log.info("| Current Free memory            | {}{} MB |",
+                " ".repeat(maxStrLength-String.valueOf(freeMemoryInMb).length()),
+                freeMemoryInMb);
+        log.info("| Current Allocated memory       | {}{} MB |",
+                " ".repeat(maxStrLength-String.valueOf(allocatedMemoryInMb).length()),
+                allocatedMemoryInMb);
+        log.info("| Current total Free memory      | {}{} MB |",
+                " ".repeat(maxStrLength-String.valueOf(freeMemoryInMb + (maxMemoryInMb - allocatedMemoryInMb)).length()),
+                freeMemoryInMb + (maxMemoryInMb - allocatedMemoryInMb));
+        log.info("| Max available memory for JVM   | {} MB |", maxMemoryInMb);
+        log.info("+--------------------------------+-----{}+", "-".repeat(maxStrLength));
+        log.info("    ---->    CPU");
+        log.info(" Available CPUs : {}", runtime.availableProcessors());
+        log.info("============================================================================");
+        log.info("                               Properties");
+        log.info("============================================================================");
         Environment environment = event.getEnvironment();
 
-        log.info("===============================================================================================");
-        log.info("                                        Properties                                             ");
-        log.info("===============================================================================================");
-
         ((AbstractEnvironment) environment).getPropertySources().stream()
                 .map(propertySource -> {
                     if (propertySource instanceof EnumerablePropertySource) {
@@ -45,7 +77,7 @@ public void onApplicationEvent(@NonNull ApplicationEnvironmentPreparedEvent even
                 .filter(Objects::nonNull)
                 .forEach(key -> log.info(key + " = " + resolveValueWithSecretAttribute(key, environment)));
         log.info("============================================================================");
-
+        log.info("                  Logging environment variables ended                       ");
     }
 
     private static Object resolveValueWithSecretAttribute(String key, Environment environment) {
@@ -55,5 +87,4 @@ private static Object resolveValueWithSecretAttribute(String key, Environment en
         return environment.getProperty(key);
 
     }
-
 }