Update to use redis5 for tests, Golang 1.11 for builds

.circleci/config.yml

@@ -4,9 +4,10 @@ jobs:
   tests:
     docker:
-      - image: golang:1.10
-      - image: redis:4.0.10
-      - image: redis:4.0.10
+      - image: golang:1.11
+      - image: redis:5
+        command: --port 6379
+      - image: redis:5
         command: --port 6380
       - image: grokzen/redis-cluster
@@ -31,7 +32,7 @@ jobs:
   build:
     docker:
-      - image: golang:1.10
+      - image: golang:1.11
     working_directory: /go/src/github.com/oliver006/redis_exporter

README.md

@@ -2,7 +2,7 @@
 [![Circle CI](https://circleci.com/gh/oliver006/redis_exporter.svg?style=shield)](https://circleci.com/gh/oliver006/redis_exporter) [![Coverage Status](https://coveralls.io/repos/github/oliver006/redis_exporter/badge.svg?branch=master)](https://coveralls.io/github/oliver006/redis_exporter?branch=master) [![codecov](https://codecov.io/gh/oliver006/redis_exporter/branch/master/graph/badge.svg)](https://codecov.io/gh/oliver006/redis_exporter)
 Prometheus exporter for Redis metrics.<br>
-Supports Redis 2.x, 3.x and 4.x
+Supports Redis 2.x, 3.x, 4.x, and 5.x
 ## Building, configuring, and running