diff --git a/demo/Dockerfile b/demo/Dockerfile
index e16b9e400..b76b532da 100644
--- a/demo/Dockerfile
+++ b/demo/Dockerfile
@@ -26,6 +26,7 @@ COPY demo/generator.py /generator.py
 COPY --from=go-builder /src/karma /karma
 COPY demo/karma.yaml /etc/karma.yaml
 COPY demo/custom.js /custom.js
+COPY --from=lmierzwa/kthxbye:v0.4 /kthxbye /kthxbye
 RUN adduser -D karma
 USER karma
 ENV GOGC=20
diff --git a/demo/supervisord.conf b/demo/supervisord.conf
index 3fd5aa19e..0b36d1ba7 100644
--- a/demo/supervisord.conf
+++ b/demo/supervisord.conf
@@ -37,3 +37,11 @@ stdout_logfile=/dev/stdout
 stdout_logfile_maxbytes=0
 stderr_logfile=/dev/stderr
 stderr_logfile_maxbytes=0
+
+[program:kthxbye]
+command=/kthxbye -listen :8081
+autorestart=true
+stdout_logfile=/dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/stderr
+stderr_logfile_maxbytes=0