From 5c6b6b96155897424a5c07f9444b4f08b7fa41e3 Mon Sep 17 00:00:00 2001
From: Junyu Zhan <thezjy@gmail.com>
Date: Tue, 2 Mar 2021 14:15:14 +0800
Subject: [PATCH] doc: explain what the dockerfile does

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

diff --git a/README.md b/README.md
index abb8c33eb69..1798df7deef 100644
--- a/README.md
+++ b/README.md
@@ -126,6 +126,8 @@ yarn release-electron
 
 ## Alternative: Docker based development environment
 
+Basically it just pre-installs Java, Clojure and NodeJS for your convenience.
+
 ### 1. Fetch sources
 
 ```bash