Make it easier to run the tests.

Add a docker-compose.yml file configuring a redis cluster instance for running the tests against.

Author: JonathanWylie

docs/cluster-setup.rst

@@ -19,7 +19,7 @@ A fully functional docker image can be found at https://github.com/Grokzen/docke
 
 See repo `README` for detailed instructions how to setup and run.
 
-
+A docker_compose.yml file is included in the test suite, which can be used to run a redis cluster configured appropriately to run the tests against.
 
 Vagrant
 -------

tests/docker-compose.yml

@@ -0,0 +1,20 @@
+version: "3.7"
+
+services:
+
+  redis:
+    image: grokzen/redis-cluster:latest
+    environment:
+      REDIS_PORT: 7000
+      BIND_ADDRESS: 0.0.0.0
+    ports:
+      - "7000:7000"
+      - "7001:7001"
+      - "7002:7002"
+      - "7003:7003"
+      - "7004:7004"
+      - "7005:7005"
+      - "7006:7006"
+      - "7007:7007"
+    # Catch signals (in particular, termination)
+    init: true