Install borgmatic in the playbook

This commit adds borgmatic, to provide automated backups.

1 files changed, 10 insertions, 0 deletions

diff --git a/README.md b/README.md
index 0943edd..c9fd8e6 100644
--- a/README.md
+++ b/README.md
@@ -55,6 +55,13 @@ on the box itself will be taken care of by the playbook):
 
 Install the `ansible` package via your package manager.
 
+### Backup
+
+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.
+
 ### Create a prod inventory file
 
 Create an inventory file in `inventory/prod.ini` with the production hosts that
@@ -93,6 +100,9 @@ inventory/
 ```
 
 ```yaml
+borg_passphrase: # the passphrase that borg will encrypt your repo with
+borg_private_key_path: # e.g. /home/matthew/.ssh/some-key
+borg_repo: # the repo to use, e.g. ssh://example.org/./repo
 certbot_email: an email address letsencrypt should use if renewal fails
 virtual_host: the domain of the JID you'd like to use, e.g. koyo.haus
 ```