diff --git a/Dockerfile b/Dockerfile
index 8d49537..80f4286 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,4 +25,6 @@ COPY --from=build /build/target/quarkus-app/ /app/
 EXPOSE 8765
 VOLUME /data
 ENV DOSTALGIA_DATA_DIR=/data
-ENTRYPOINT ["java", "-jar", "quarkus-run.jar"]
+# Limit JVM heap — the app streams everything (upload/serve) so 128MB is plenty
+# G1GC with periodic GC allows heap to shrink when idle
+ENTRYPOINT ["java", "-Xmx128m", "-Xms64m", "-XX:+UseG1GC", "-XX:G1PeriodicGCInterval=30000", "-jar", "quarkus-run.jar"]