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If I ran sudo doccker ps I got this 

[user@vm1 ~]$ sudo docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES e8ff73dec1d5 portal-mhn:latest "nginx -g 'daemon of…" 43 minutes ago Up 43 minutes portal-mhn_portal-mhn.1.4rsfv94wy97gb333q3kfyxz32 62a7cf09d7bf portal-admin:latest "nginx -g 'daemon of…" 43 minutes ago Up 43 minutes portal-admin_portal-admin.1.s62iep4gl5g5oj2hrap14kz1t

I'm trying to grab the container ID base on ImageName.

Ex. Is there away to grab the container id of portal-mhn:latest via a command line ? which is e8ff73dec1d5

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3 Answers 3

Reset to default
24

If you want to get the container id based on the image name this should work:

$ docker ps | grep '<image_name>' | awk '{ print $1 }'

Or even:

$ docker ps | awk '/<image_name>/ { print $1 }'

As others have suggested you can also directly filter by the image name using the ancestor filter:

$ docker ps -aqf "ancestor=<image_name>"

Thanks to @kevin-cui and @yu-chen.

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Thank you. Work perfect
11

The accepted answer works, but you might possibly have a misnamed container name that has postgres in its name but is actually running a totally different image, since the answer only uses grep to look for matching lines.

You can use Docker's built in filter flag: 

docker ps --filter "ancestor=postgres" -q

as an alternative. The -q flag indicates to only return the container ID (quiet mode).

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1

I needed only to obtain the latest running container id by image name, including stopped containers:

docker ps -a | grep 'django-content-services:' -m 1 | awk '{ print $1 }'

In docker -a to include all containers (even stopped). In grep, -m so grep only matches the first case. Cheers!

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