From 48af0c7e1839fc73ba24f5f5fe450c528d187465 Mon Sep 17 00:00:00 2001
From: Ian Fijolek <ian@iamthefij.com>
Date: Tue, 14 Jul 2020 16:51:38 -0700
Subject: [PATCH] Add healthcheck

---
 Dockerfile | 5 +++++
 README.md  | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/Dockerfile b/Dockerfile
index fabaa44..beeff25 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,5 +8,10 @@ COPY --from=qemu-user-static /usr/bin/qemu-* /usr/bin/
 ARG GOARCH=amd64
 COPY ./cadvisor-${GOARCH} /usr/bin/cadvisor
 
+ENV CADVISOR_HEALTHCHECK_URL=http://localhost:8080/healthz
+
+HEALTHCHECK --interval=30s --timeout=3s \
+  CMD wget --quiet --tries=1 --spider $CADVISOR_HEALTHCHECK_URL || exit 1
+
 EXPOSE 8080
 ENTRYPOINT ["/usr/bin/cadvisor", "-logtostderr"]
diff --git a/README.md b/README.md
index 6724edd..b92f8e0 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,7 @@
 # cadvisor-multi-arch
 
 A multi-arch build script for generating arm images of cadvisor
+
+## Note
+
+This does not include `libpfm` or `netgo`, which the upstream does include.