Redis is an open-source, networked, in-memory, key-value data store with optional durability. It is written in ANSI C. The development of Redis is sponsored by Redis Labs today; before that, it was sponsored by Pivotal and VMware. According to the monthly ranking by DB-Engines.com, Redis is the most popular key-value store. The name Redis means REmote DIctionary Server.
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$ docker run --name some-redis -d %%IMAGE%%
This image includes EXPOSE 6379 (the redis port), so standard container linking will make it automatically available to the linked containers (as the following examples illustrate).
$ docker run --name some-redis -d %%IMAGE%% redis-server --appendonly yes
If persistence is enabled, data is stored in the VOLUME /data, which can be used with --volumes-from some-volume-container or -v /docker/host/dir:/data (see docs.docker volumes).
For more about Redis Persistence, see http://redis.io/topics/persistence.
$ docker run --name some-app --link some-redis:redis -d application-that-uses-redis
redis-cli$ docker run -it --link some-redis:redis --rm %%IMAGE%% redis-cli -h redis -p 6379
You can create your own Dockerfile that adds a redis.conf from the context into /data/, like so.
FROM %%IMAGE%%
COPY redis.conf /usr/local/etc/redis/redis.conf
CMD [ "redis-server", "/usr/local/etc/redis/redis.conf" ]
Alternatively, you can specify something along the same lines with docker run options.
$ docker run -v /myredis/conf/redis.conf:/usr/local/etc/redis/redis.conf --name myredis %%IMAGE%% redis-server /usr/local/etc/redis/redis.conf
Where /myredis/conf/ is a local directory containing your redis.conf file. Using this method means that there is no need for you to have a Dockerfile for your redis container.
32bit variantThis variant is not a 32bit image (and will not run on 32bit hardware), but includes Redis compiled as a 32bit binary, especially for users who need the decreased memory requirements associated with that. See "Using 32 bit instances" in the Redis documentation for more information.
You can find the list of modules for Redis on redis.io or on redismodules.com. A few of the standard modules can be found here: