diff --git a/Dockerfile b/Dockerfile
index 02b70d0..df582e5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,7 @@
 FROM alpine
 RUN apk add --update bash jq openssh-client rsync && rm -rf /var/cache/apk/*
+RUN mkdir -p /root/.ssh
 ADD rsync.sh /rsync.sh
+ADD known_hosts /root/.ssh/known_hosts
 ENTRYPOINT [ '/rsync.sh' ]
 
diff --git a/known_hosts b/known_hosts
new file mode 100644
index 0000000..a668e3c
--- /dev/null
+++ b/known_hosts
@@ -0,0 +1 @@
+@cert-authority * ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDX5AdQf5LbPFn+6JctOY19jI+tYzfYJ/rSyzVbLMRab ca-host@burble.dn42