fix: shell wrapper to handle signals

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"]
 
 # ------