From d3b758d10ab8b4b211dedd21534e1a12c13a62a7 Mon Sep 17 00:00:00 2001
From: Klarstein <62219057+Klarstein@users.noreply.github.com>
Date: Wed, 27 Jan 2021 07:16:59 +0100
Subject: [PATCH] Add docker healthcheck (#1492)

---
 docker/Dockerfile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/docker/Dockerfile b/docker/Dockerfile
index 899a1654c6..12b06ec284 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -15,6 +15,10 @@ ENV USERNAME="" PASSWORD=""
 # Expose the dashboard to Docker
 EXPOSE 6052
 
+# Run healthcheck (heartbeat)
+HEALTHCHECK --interval=5m --timeout=3s \
+  CMD curl --fail http://localhost:6052 || exit 1
+
 # The directory the user should mount their configuration files to
 WORKDIR /config
 # Set entrypoint to esphome so that the user doesn't have to type 'esphome'