feat: add jre to PATH instead of symlinking

Dockerfile.openj9

@@ -47,9 +47,8 @@ RUN mv ./* /build/dist/
 FROM ubuntu:24.10 AS run
 
 COPY --from=build /build/dist/jre /usr/lib/jvm/openj9-jre
-RUN ln -s /usr/lib/jvm/openj9-jre/bin/java /usr/bin/java
-
 ENV JAVA_HOME=/usr/lib/jvm/openj9-jre
+ENV PATH="$JAVA_HOME/bin:$PATH"
 
 # verify installation
 RUN java --version

Dockerfile.piped

@@ -37,10 +37,7 @@ WORKDIR /app
 COPY --from=build /app/build/libs/piped-1.0-all.jar /app/piped.jar
 COPY --from=build /app/VERSION /app/VERSION
 
-CMD java -server -Xmx${MAX_MEMORY:-1G} -Xaggressive \
-  -XX:+UnlockExperimentalVMOptions -XX:+OptimizeStringConcat -XX:+UseStringDeduplication \
-  -XX:+UseCompressedOops -XX:+UseNUMA -XX:+IdleTuningGcOnIdle -Xgcpolicy:gencon \
-  -Xshareclasses:allowClasspaths -Xtune:virtualized -Xcompactgc \
-  -jar /app/piped.jar
+COPY ./piped.sh ./
+CMD ["/app/piped.sh"]
 
 # ------

piped.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+java -server -Xmx${MAX_MEMORY:-1G} -Xaggressive \
+  -XX:+UnlockExperimentalVMOptions -XX:+OptimizeStringConcat -XX:+UseStringDeduplication \
+  -XX:+UseCompressedOops -XX:+UseNUMA -XX:+IdleTuningGcOnIdle -Xgcpolicy:gencon \
+  -Xshareclasses:allowClasspaths -Xtune:virtualized -Xcompactgc \
+  -jar /app/piped.jar &
+
+pid=$!
+
+trap "kill -INT $pid" INT
+trap "kill -TERM $pid" TERM
+
+wait