diff --git a/Dockerfile b/Dockerfile
index 33bdf77..1f057b2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,7 +8,18 @@ COPY samba.sh /usr/bin/
 RUN apt-get update -qq && \
     apt-get install -qqy --no-install-recommends samba && \
     apt-get clean && \
-    rm -rf /var/lib/apt/lists/* /tmp/*
+    rm -rf /var/lib/apt/lists/* /tmp/* && \
+    useradd smbuser -M && \
+    sed -i 's|^\(   log file = \).*|\1/dev/stdout|' /etc/samba/smb.conf && \
+    sed -i 's|^\(   unix password sync = \).*|\1no|' /etc/samba/smb.conf && \
+    sed -i '/Share Definitions/,$d' /etc/samba/smb.conf && \
+    echo '   security = user' >> /etc/samba/smb.conf && \
+    echo '   directory mask = 0775' >> /etc/samba/smb.conf && \
+    echo '   force create mode = 0664' >> /etc/samba/smb.conf && \
+    echo '   force directory mode = 0775' >> /etc/samba/smb.conf && \
+    echo '   force user = smbuser' >> /etc/samba/smb.conf && \
+    echo '   force group = users' >> /etc/samba/smb.conf && \
+    echo '' >> /etc/samba/smb.conf
 
 VOLUME ["/etc/samba"]