diff --git a/dmdb/Dockerfile b/dmdb/Dockerfile
index cbaf0e4..c128392 100644
--- a/dmdb/Dockerfile
+++ b/dmdb/Dockerfile
@@ -6,7 +6,8 @@ ENV DM8_TMP_PATH="/dm8-tmp"
 COPY DMInstall.bin ${DM8_TMP_PATH}/
 COPY install_setting.xml ${DM8_TMP_PATH}/
 
-RUN chmod +x ${DM8_TMP_PATH}/DMInstall.bin && \
+RUN useradd -m dmdba && \
+    chmod +x ${DM8_TMP_PATH}/DMInstall.bin && \
     ${DM8_TMP_PATH}/DMInstall.bin -q ${DM8_TMP_PATH}/install_setting.xml && \
     rm -rf ${DM8_TMP_PATH}