From 9a30559efa3c0b33ba48123433850c511b92f25a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vin=C3=ADcius=20Garcia?= <vingarcia00@gmail.com>
Date: Wed, 15 Dec 2021 00:27:44 -0300
Subject: [PATCH] Improve README

---
 README.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/README.md b/README.md
index 3bc1fcb..c3320a3 100644
--- a/README.md
+++ b/README.md
@@ -600,6 +600,19 @@ After that you can just run the tests by using:
 make test
 ```
 
+But it is recommended to first download the required images using:
+
+```bash
+docker pull postgres:14.0
+docker pull mysql:8.0.27
+docker pull mcr.microsoft.com/mssql/server:2017-latest
+```
+
+Otherwise the first attempt to run the tests
+will spend a long time downloading these images
+and then fail because the `TestMain()` function
+is configured to kill the containers after 20 seconds.
+
 ### TODO List
 
 - Add tests for tables using composite keys