feat(docker): update base images to Java 25, Spring 4, Jackson 3, Gradle 9 and optimize JVM options (Project Lilliput) (#5725)

Co-authored-by: Anthony Stirling <[email protected]>

app/core/src/main/resources/application.properties

@@ -13,6 +13,18 @@ logging.level.stirling.software.common.service.JobExecutorService=INFO
 logging.level.stirling.software.common.service.TaskManager=INFO
 spring.jpa.open-in-view=false
 server.forward-headers-strategy=NATIVE
+
+# Enable HTTP/2 for improved performance (multiplexed streams, header compression)
+server.http2.enabled=true
+
+# Enable virtual threads (Java 21+, pinning fix in Java 25)
+spring.threads.virtual.enabled=true
+
+# Response compression
+server.compression.enabled=true
+server.compression.min-response-size=1024
+server.compression.mime-types=application/json,application/xml,text/html,text/plain,text/css,application/javascript
+
 server.error.path=/error
 server.error.whitelabel.enabled=false
 server.error.include-stacktrace=always
@@ -38,7 +50,7 @@ spring.devtools.livereload.enabled=true
 spring.devtools.restart.exclude=stirling.software.proprietary.security/**
 spring.web.resources.mime-mappings.webmanifest=application/manifest+json
 spring.mvc.async.request-timeout=${SYSTEM_CONNECTIONTIMEOUTMILLISECONDS:1200000}
-server.tomcat.max-http-header-size=32768
+server.jetty.max-http-request-header-size=32768
 
 spring.datasource.url=jdbc:h2:file:./configs/stirling-pdf-DB-2.3.232;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE;MODE=PostgreSQL
 spring.datasource.driver-class-name=org.h2.Driver