From 983ccd177b70f3cae9c823193f7785327f9a258f Mon Sep 17 00:00:00 2001
From: Knut Ahlers <knut@ahlers.me>
Date: Thu, 31 Aug 2017 15:57:45 +0200
Subject: [PATCH] Add persistent data volume

Signed-off-by: Knut Ahlers <knut@ahlers.me>
---
 Dockerfile | 1 +
 README.md  | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/Dockerfile b/Dockerfile
index 69a49fb..ed4a76d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,6 +4,7 @@ ENV NETDATA_PORT 19999
 EXPOSE $NETDATA_PORT
 
 VOLUME /override
+VOLUME /var/lib/netdata
 
 ENTRYPOINT ["/src/run.sh"]
 
diff --git a/README.md b/README.md
index 704c91d..3316f55 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,8 @@ docker run -d --cap-add SYS_PTRACE \
            -p 19999:19999 quay.io/luzifer/netdata
 ```
 
+To persist health check data and machine GUID you need to mount a persistent volume to `/var/lib/netdata`.
+
 ## Configuration
 
 To configure alerts have a look at the [`health_alarm_notify.conf` template](templates/health_alarm_notify.conf). There you can see all variable names you need to specify as environment variables.