diff --git a/.sdkmanrc b/.sdkmanrc
index e7157c3aa149..136ebd68fe6a 100644
--- a/.sdkmanrc
+++ b/.sdkmanrc
@@ -1 +1,3 @@
+# sets the SDKMAN_JAVA_VERSION for dotCMS
+# this is the version of java that will be used as the base image for the docker build
 java=21.0.4-ms
diff --git a/dotCMS/src/main/docker/original/Dockerfile b/dotCMS/src/main/docker/original/Dockerfile
index 4a90eaf47886..bc80eb7535b6 100644
--- a/dotCMS/src/main/docker/original/Dockerfile
+++ b/dotCMS/src/main/docker/original/Dockerfile
@@ -52,6 +52,7 @@ RUN apt update && \
         libtcnative-1 \
         tzdata \
         ca-certificates \
+        libjemalloc2 \
         openssl \
         libapr1 \
         libpq-dev && \
@@ -98,4 +99,4 @@ EXPOSE 8081
 # Connect from proxy, HTTPS/443, secure
 EXPOSE 8082
 # Direct connect for HTTPS, secure
-EXPOSE 8443
\ No newline at end of file
+EXPOSE 8443
diff --git a/dotCMS/src/main/docker/original/ROOT/srv/00-config-defaults.sh b/dotCMS/src/main/docker/original/ROOT/srv/00-config-defaults.sh
index 878618e9941c..e578ac1bd8c8 100755
--- a/dotCMS/src/main/docker/original/ROOT/srv/00-config-defaults.sh
+++ b/dotCMS/src/main/docker/original/ROOT/srv/00-config-defaults.sh
@@ -112,4 +112,5 @@ export CUSTOM_STARTER_URL=${CUSTOM_STARTER_URL:-""}
 ## This needs to be set in order for catalina to read environmental properties
 export CATALINA_OPTS="$CATALINA_OPTS -Dorg.apache.tomcat.util.digester.PROPERTY_SOURCE=org.apache.tomcat.util.digester.EnvironmentPropertySource"
 
-
+## export the environment variable for jemalloc
+export LD_PRELOAD=${LD_PRELOAD:-"/usr/lib/`uname -m`-linux-gnu/libjemalloc.so.2"}