Redis is the world’s fastest data platform. It provides cloud and on-prem solutions for caching, vector search, and NoSQL databases that seamlessly fit into any tech stack—making it simple for digital customers to build, scale, and deploy the fast apps our world runs on.
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For the ease of accessing Redis from other containers via Docker networking, the "Protected mode" is turned off by default. This means that if you expose the port outside of your host (e.g., via -p
on docker run
), it will be open without a password to anyone. It is highly recommended to set a password (by supplying a config file) if you plan on exposing your Redis instance to the internet. For further information, see the following links about Redis security:
$ docker run --name some-redis -d %%IMAGE%%
$ docker run --name some-redis -d %%IMAGE%% redis-server --save 60 1 --loglevel warning
There are several different persistence strategies to choose from. This one will save a snapshot of the DB every 60 seconds if at least 1 write operation was performed (it will also lead to more logs, so the loglevel
option may be desirable). 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 the official Redis documentation.
$ docker run -it --network some-network --rm %%IMAGE%% redis-cli -h some-redis
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:/usr/local/etc/redis --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.
The mapped directory should be writable, as depending on the configuration and mode of operation, Redis may need to create additional configuration files or rewrite existing ones.