Use a special file for health checks

This should remain a static file so that the static file functionality
of the server can be tested.  If it were a special case inside the
server router, it could potentially continue to operate whilst the
server otherwise no longer works

1 files changed, 1 insertions, 0 deletions

diff --git a/static/health.txt b/static/health.txt
new file mode 100644
index 0000000..d86bac9
--- /dev/null
+++ b/static/health.txt
@@ -0,0 +1 @@
+OK