Add borgmatic init instructions

At present, these are not automated by the runbook and need to be manually run
as part of setup for each new managed host the playbook is run against.

1 files changed, 9 insertions, 0 deletions

diff --git a/README.md b/README.md
index c9fd8e6..f7b428d 100644
--- a/README.md
+++ b/README.md
@@ -62,6 +62,15 @@ You will need to initialise a borg repository on some host or managed provider.
 Once you have done this, make a note of the private key you will use to access
 the remote server and the address of the repo.
 
+Once borg is configured you should run
+
+```shell
+sudo borgmatic init --encryption repokey
+```
+
+On the managed host. In the future, this should be done via the playbook
+itself.
+
 ### Create a prod inventory file
 
 Create an inventory file in `inventory/prod.ini` with the production hosts that