diff --git a/app/scripts/nmr-cli/Dockerfile b/app/scripts/nmr-cli/Dockerfile
index dc94d69..2e38276 100644
--- a/app/scripts/nmr-cli/Dockerfile
+++ b/app/scripts/nmr-cli/Dockerfile
@@ -14,6 +14,10 @@ WORKDIR /app
 ENV BASE_NMRIUM_URL=https://nmriumdev.nmrxiv.org/
 ENV NMR_PREDICTION_URL=https://nmrshiftdb.nmr.uni-koeln.de/NmrshiftdbServlet/nmrshiftdbaction/quickcheck
 
+# Override at runtime with: docker run -e NODE_OPTIONS="--max-old-space-size=<MB>" ...
+ARG NODE_MAX_OLD_SPACE_SIZE=12288
+ENV NODE_OPTIONS=--max-old-space-size=${NODE_MAX_OLD_SPACE_SIZE}
+
 # Install Java (OpenJDK 17 for Ubuntu Noble)
 RUN apt-get update && \
     apt-get install -y --no-install-recommends openjdk-17-jre && \