From 347ff8a38d378e778bdb2213872db4816a76d78b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcus=20P=C3=B6hls?= <marcus.poehls@gmail.com>
Date: Fri, 8 Jan 2021 10:56:47 +0100
Subject: [PATCH] check Redis version and fall back to latest

---
 start-redis.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/start-redis.sh b/start-redis.sh
index 2dc6a27..2897f67 100644
--- a/start-redis.sh
+++ b/start-redis.sh
@@ -2,4 +2,11 @@
 
 REDIS_VERSION=$1
 
+if [ -z "$REDIS_VERSION" ]; then
+  echo "Missing Redis version in the [redis-version] input. Received value: $REDIS_VERSION"
+  echo "Falling back to Redis version [latest]"
+  REDIS_VERSION='latest'
+fi
+
+echo "Starting single-node Redis instance"
 docker run --name redis --publish 6379:6379 --detach redis:$REDIS_VERSION