Adding redis install to travis

.travis.yml

@@ -10,6 +10,9 @@ sudo: required
 services:
   - docker
 
+before_install:
+  - ./install-redis.sh
+
 script: "npm run test"
 
 after_success:

install-redis.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+# Adapted from:
+# https://www.digitalocean.com/community/tutorials/how-to-install-and-secure-redis-on-ubuntu-18-04
+
+# Install Redis.
+sudo apt install redis-server
+
+# Converting to systemd managed process
+#echo "supervised systemd" >> /etc/redis/redis.conf
+
+#sudo systemctl restart redis.service