/Docker 19

docker-compose pull

Usage: pull [options] [SERVICE...]

    --ignore-pull-failures  Pull what it can and ignores images with pull failures.
    --parallel              Deprecated, pull multiple images in parallel (enabled by default).
    --no-parallel           Disable parallel pulling.
    -q, --quiet             Pull without printing progress information
    --include-deps          Also pull services declared as dependencies

Pulls an image associated with a service defined in a docker-compose.yml or docker-stack.yml file, but does not start containers based on those images.

For example, suppose you have this docker-compose.yml file from the Quickstart: Compose and Rails sample.

version: '2'
    image: postgres
    build: .
    command: bundle exec rails s -p 3000 -b ''
      - .:/myapp
      - "3000:3000"
      - db

If you run docker-compose pull ServiceName in the same directory as the docker-compose.yml file that defines the service, Docker pulls the associated image. For example, to call the postgres image configured as the db service in our example, you would run docker-compose pull db.

$ docker-compose pull db
Pulling db (postgres:latest)...
latest: Pulling from library/postgres
cd0a524342ef: Pull complete
9c784d04dcb0: Pull complete
d99dddf7e662: Pull complete
e5bff71e3ce6: Pull complete
cb3e0a865488: Pull complete
31295d654cd5: Pull complete
fc930a4e09f5: Pull complete
8650cce8ef01: Pull complete
61949acd8e52: Pull complete
527a203588c0: Pull complete
26dec14ac775: Pull complete
0efc0ed5a9e5: Pull complete
40cd26695b38: Pull complete
Digest: sha256:fd6c0e2a9d053bebb294bb13765b3e01be7817bf77b01d58c2377ff27a4a46dc
Status: Downloaded newer image for postgres:latest

fig, composition, compose, docker, orchestration, cli, pull

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