From 47df90095873dcde976b574e269168ddd2031162 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C8=98tefan=20Talpalaru?= <stefantalpalaru@yahoo.com>
Date: Thu, 27 Feb 2020 17:50:36 +0100
Subject: [PATCH] document `-d:insecure` for Prometheus support

---
 README.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 06fa60d25..59dc67f25 100644
--- a/README.md
+++ b/README.md
@@ -183,7 +183,8 @@ Specific steps:
 ```bash
 # This will generate the Prometheus config and the Grafana dashboard on the fly,
 # based on the number of nodes (which you can control by passing something like NODES=6 to `make`).
-make VALIDATORS=192 NODES=6 USER_NODES=0 eth2_network_simulation
+# The `-d:insecure` flag starts an HTTP server from which the Prometheus daemon will pull the metrics.
+make VALIDATORS=192 NODES=6 USER_NODES=0 NIMFLAGS="-d:insecure" eth2_network_simulation
 
 # In another terminal tab, after the sim started:
 cd tests/simulation/prometheus