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I just built the redis docker instance
$ docker pull redis After which I ran it like this.
$ docker run --name=redis --detach=true --publish=6379:6379 redis I get the following
$ docker ps key redis "/sbin/entrypoint.sh" 22 minutes ago Up 22 minutes 0.0.0.0:6379->6379/tcp redis To me the above means that it is now running listening on port 6379 on localhost or 127.0.0.1 or 0.0.0.0.
But to my great surprise, when I try to connect is responds with connection refused.
Please can someone throw some light.
780
To connect to a Redis instance from another Docker container, add --link [Redis container name or ID]:redis to that container's docker run command. To connect to a Redis instance from another Docker container with a command-line interface, link the container and specify the host and port with -h redis -p 6379.
Firewall restriction is another common reason that can trigger the “could not connect to Redis connection refused”. By default Redis server listen to the TCP port 6379. If another application is using the port or if the firewall restrictions blocks the port, it can trigger the connection refused error.
If you wish to connect to a Docker container running Redis from a remote server, you can use Docker's port forwarding to access the container with the host server's IP address or domain name. To use Docker's port forwarding for Redis, add the flag -p [host port]:6379 to the docker run command.
You need to provide more information about your environment (OS, Docker installation, etc), but basically, if you start your Redis container like this:
docker run --name=redis-devel --publish=6379:6379 --hostname=redis --restart=on-failure --detach redis:latest It should expose the port no matter what. The only reason you might not be able to connect to it, is if you've messed up your bridge interface, if you're on Linux, or you're using a docker machine with its own network interface and IP address and you're not connecting to that IP address. If you're using Docker for Mac, then that only supports routing to the localhost address, since bridging on Mac hosts doesn't work yet.
Anyway, on MacOS with Docker for Mac (not the old Docker Toolbox), the following should be enough to get your started:
➜ ~ docker run --name=redis-devel --publish=6379:6379 --hostname=redis --restart=on-failure --detach redis:latest 6bfc6250cc505f82b56a405c44791f193ec5b53469f1625b289ef8a5d7d3b61e ➜ ~ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 6bfc6250cc50 redis:latest "docker-entrypoint.s…" 10 minutes ago Up 10 minutes 0.0.0.0:6379->6379/tcp redis-devel ➜ ~ redis-cli ping PONG ➜ ~ Find the discovered port of the redis and use that to connect
docker inspect --format='{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' redis-server If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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