diff --git a/scripts/entrypoint.sh b/scripts/entrypoint.sh
index b5fd512..f7735da 100644
--- a/scripts/entrypoint.sh
+++ b/scripts/entrypoint.sh
@@ -1,6 +1,8 @@
 #!/bin/bash
 echo "Starting Memcached..."
 sleep 5
-/usr/bin/memcached -u memcached -l 0.0.0.0
-
-exit 0
\ No newline at end of file
+# exec so memcached replaces bash as PID 1. bash as PID 1 has no SIGTERM
+# handler, so the kernel dropped `docker stop`'s SIGTERM and docker SIGKILLed
+# the container after the full 10s timeout (exit 137). memcached installs its
+# own SIGTERM/SIGINT handlers, so as PID 1 it shuts down immediately.
+exec /usr/bin/memcached -u memcached -l 0.0.0.0