diff --git a/docker/keybaseio-git-client/Dockerfile b/docker/keybaseio-git-client/Dockerfile
index a381d12..f782b7f 100644
--- a/docker/keybaseio-git-client/Dockerfile
+++ b/docker/keybaseio-git-client/Dockerfile
@@ -4,8 +4,10 @@ RUN apt-get update \
     && apt-get install -y \
          bindfs \
          git-lfs \
+         nfs-common \
+    && apt-get install -y --no-install-recommends samba \
     && rm -rf /var/lib/apt/lists/*
 
 # `bindfs` requires the mountpoint to exist.
-ARG MOUNTPOINT='/repos.rw'
-RUN mkdir -p "$MOUNTPOINT"
+ARG BINDFS_MOUNTPOINT='/repos.rw'
+RUN mkdir -p "$BINDFS_MOUNTPOINT"