From 4ef37424702b9b04afc5c1479e05ef61e4d6daba Mon Sep 17 00:00:00 2001
From: Mike Czarny <mike@r3lik.com>
Date: Wed, 10 Mar 2021 13:51:06 -0800
Subject: [PATCH] docs(testnet-node): Add section on ENV vars

---
 src/pages/understand-stacks/running-testnet-node.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/pages/understand-stacks/running-testnet-node.md b/src/pages/understand-stacks/running-testnet-node.md
index 3edf31a6..6db20791 100644
--- a/src/pages/understand-stacks/running-testnet-node.md
+++ b/src/pages/understand-stacks/running-testnet-node.md
@@ -93,6 +93,14 @@ Clone this repository:
 git clone https://github.com/blockstack/stacks-blockchain.git; cd stacks-blockchain
 ```
 
+Optionally, set env vars for a specific version, commit hash and branch:
+
+```bash
+export STACKS_NODE_VERSION=2.0.9
+export GIT_BRANCH=master
+export GIT_COMMIT=e7f178b
+```
+
 Install the Stacks node by running:
 
 ```bash