Cannot link to /mysql, as it does not belong to the default network.

[makorne]

docker network create my-net
docker run --network my-net --name mysql -d mysql

docker run --name backup --link mysql -v /backup:/backup confirm/mysql-backup

Status: Downloaded newer image for confirm/mysql-backup:latest
docker: Error response from daemon: Cannot link to /mysql, as it does not belong to the default network.
ERRO[0016] error waiting for container: context canceled 

docker run --name backup --network my-net --link mysql -v /backup:/backup confirm/mysql-backup

ERROR: Couldn't find linked MySQL container.
Please link a MySQL or MariaDB container to the backup container and try again

[crizbe]

Hi makorne,
I run into the same error as you do.
Did you find a solution?

Regards cbxxn

[silviotroia]

+1

[STX2k]

+1

[domibarton]

Sorry I no longer use the container/image myself, thus supporting it is challening ;) I've to setup everything again to see how newer Docker versions work, especially with sharing the env vars.

In the meantime, did anyone try to fix or find the problem or was +1 the only effort in "supporting" open source? 😬

[domibarton]

Closing this issue in favor #2, which is the root cause for the ERROR: Couldn't find linked MySQL container. error.

Regarding the network error: This is a "Docker" thing and everyone using Docker should be aware of it. IMHO it doesn't make any sense to repeatedly document this in every docker image / container using links. However, a note could be helpful in the docs :)

[limbuu]

you just need to add --network my-net in second line as well i.e
docker network create my-net
docker run --network my-net --name mysql -d mysql
docker run --network my-net --name backup --link mysql -v /backup:/backup confirm/mysql-backup

It is necessary to run all containers you want to link within same network.