diff --git a/Dockerfile.openj9 b/Dockerfile.openj9
index 2710b4c..3af2f0c 100644
--- a/Dockerfile.openj9
+++ b/Dockerfile.openj9
@@ -15,6 +15,8 @@ COPY --from=build /app/build/libs/piped-1.0-all.jar /app/piped.jar
 
 COPY VERSION .
 
+RUN /bin/bash -c 'java -Xshareclasses:allowClasspaths -Xquickstart -jar /app/piped.jar &' ; sleep 30 ; pkill java
+
 EXPOSE 8080
 
 CMD java -server -Xmx1G -XX:+UnlockExperimentalVMOptions -XX:+OptimizeStringConcat -XX:+UseStringDeduplication -XX:+UseCompressedOops -XX:+UseNUMA -XX:+UseParallelGC -XX:-UseBiasedLocking -Xshareclasses:allowClasspaths -Xtune:virtualized -jar /app/piped.jar
diff --git a/Dockerfile.openj9.ci b/Dockerfile.openj9.ci
index bc26439..2518a08 100644
--- a/Dockerfile.openj9.ci
+++ b/Dockerfile.openj9.ci
@@ -6,6 +6,8 @@ COPY ./piped.jar /app/piped.jar
 
 COPY VERSION .
 
+RUN /bin/bash -c 'java -Xshareclasses:allowClasspaths -Xquickstart -jar /app/piped.jar &' ; sleep 30 ; pkill java
+
 EXPOSE 8080
 
 CMD java -server -Xmx1G -XX:+UnlockExperimentalVMOptions -XX:+OptimizeStringConcat -XX:+UseStringDeduplication -XX:+UseCompressedOops -XX:+UseNUMA -XX:+UseParallelGC -XX:-UseBiasedLocking -Xshareclasses:allowClasspaths -Xtune:virtualized -jar /app/piped.jar
diff --git a/src/main/java/me/kavin/piped/consts/Constants.java b/src/main/java/me/kavin/piped/consts/Constants.java
index 4475acd..cfc5fc4 100644
--- a/src/main/java/me/kavin/piped/consts/Constants.java
+++ b/src/main/java/me/kavin/piped/consts/Constants.java
@@ -90,7 +90,10 @@ public class Constants {
         Properties prop = new Properties();
         try {
             YOUTUBE_SERVICE = NewPipe.getService(0);
-            prop.load(new FileReader("config.properties"));
+
+            if (new File("config.properties").exists()) {
+                prop.load(new FileReader("config.properties"));
+            }
 
             PORT = Integer.parseInt(getProperty(prop, "PORT", "8080"));
             HTTP_WORKERS = getProperty(prop, "HTTP_WORKERS",