Support for unstable docker (#1842)

CONTRIBUTING.md

@@ -57,8 +57,9 @@ can execute docker and its various commands.
 -   A master Redis node
 -   A Redis replica node
 -   Three sentinel Redis nodes
--   A multi-python docker, with your source code mounted in /data
+-   A redis cluster
 -   An stunnel docker, fronting the master Redis node
+-   A Redis node, running unstable - the latest redis
 
 The replica node, is a replica of the master node, using the
 [leader-follower replication](https://redis.io/topics/replication)

docker/base/Dockerfile.unstable

@@ -0,0 +1,18 @@
+# produces redisfab/redis-py:unstable
+FROM ubuntu:bionic as builder
+RUN apt-get update
+RUN apt-get upgrade -y
+RUN apt-get install -y build-essential git
+RUN mkdir /build
+WORKDIR /build
+RUN git clone https://github.com/redis/redis
+WORKDIR /build/redis
+RUN make
+
+FROM ubuntu:bionic as runner
+COPY --from=builder /build/redis/src/redis-server /usr/bin/redis-server
+COPY --from=builder /build/redis/src/redis-cli /usr/bin/redis-cli
+COPY --from=builder /build/redis/src/redis-sentinel /usr/bin/redis-sentinel
+
+EXPOSE 6379
+CMD ["redis-server", "/redis.conf"]

docker/unstable/redis.conf

@@ -0,0 +1,3 @@
+port 6378
+protected-mode no
+save ""

tox.ini

@@ -32,6 +32,15 @@ healtcheck_cmd = python -c "import socket;print(True) if 0 == socket.socket(sock
 volumes =
     bind:rw:{toxinidir}/docker/replica/redis.conf:/redis.conf
 
+[docker:unstable]
+name = unstable
+image = redisfab/redis-py:unstable-bionic
+ports =
+    6378:6378/tcp
+healtcheck_cmd = python -c "import socket;print(True) if 0 == socket.socket(socket.AF_INET, socket.SOCK_STREAM).connect_ex(('127.0.0.1',6378)) else False"
+volumes =
+    bind:rw:{toxinidir}/docker/unstable/redis.conf:/redis.conf
+
 
 [docker:sentinel_1]
 name = sentinel_1
@@ -108,6 +117,7 @@ deps =
     -r {toxinidir}/requirements.txt
     -r {toxinidir}/dev_requirements.txt
 docker =
+    unstable
     master
     replica
     sentinel_1