Could not find entity for dockerfile/elasticsearch

Question

Im new to Docker and im having an issue.

Im trying to start the pblittle/docker-logstash container using this command:

sudo docker run -d -e LOGSTASH_CONFIG_URL=pathtomyconfig --link dockerfile/elasticsearch:es -p 9292:9292 -p 9200:9200 pblittle/docker-logstash

and i am getting the following error:

Error: Could not find entity for dockerfile/elasticsearch

If i do sudo docker ps is get the following:

CONTAINER ID        IMAGE                             COMMAND                CREATED             STATUS              PORTS                                            NAMES
0021bd567d95        dockerfile/elasticsearch:latest   /elasticsearch/bin/e   7 minutes ago       Up 7 minutes        0.0.0.0:9200->9200/tcp, 0.0.0.0:9300->9300/tcp   cranky_meitner2
e900cbb758a5        dockerfile/redis:latest           redis-server /etc/re   12 hours ago        Up 7 minutes        0.0.0.0:6379->6379/tcp                           redis
592a4f8d97f2        dockerfile/redis:latest           redis-server /etc/re   12 hours ago        Up 7 minutes        6379/tcp                                         cocky_thompson4

What the devil am i doing wrong? How can i work out what is going on?

Thomasleveil · Accepted Answer · 2014-10-20 08:48:24Z

2

You got the value for the --link option wrong. The --link option of the docker run command takes a container name or id as value followed by : followed by an alias (which can be whatever you want).

What you did wrong with --link dockerfile/elasticsearch:es is to pass in a Docker image name instead of a docker container name/id.

Firstly you need a running container for ElasticSearch:

sudo docker run -d -p 9300:9300 --name myelasticsearch dockerfile/elasticsearch

Then you can run your logstash container linking to the container named myelasticsearch:

sudo docker run -d -e LOGSTASH_CONFIG_URL=pathtomyconfig --link myelasticsearch:es -p 9292:9292 -p 9200:9200 pblittle/docker-logstash

answered Oct 20, 2014 at 8:48

Thomasleveil

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