docker-composeで複数のコンテナをyamlファイルで管理、最後にcowsayします。

インストール

$ curl -L https://github.com/docker/compose/releases/download/1.3.2/docker-compose-`uname -s`-`uname -m` > docker-compose
$ sudo cp docker-compose /usr/local/bin/
$ sudo chmod +x /usr/local/bin/docker-compose
$ docker-compose -v
docker-compose version: 1.3.2
CPython version: 2.7.9
OpenSSL version: OpenSSL 1.0.1e 11 Feb 2013

docker-compose.yml

cowsay:
  build: ./cowsay
  command: cowsay hoge
figlet:
  build: ./figlet
  command: figlet hoge

cowsay/Dockerfile

FROM ubuntu:trusty
MAINTAINER tbpgr <tbpgr@tbpgr.jp>
RUN apt-get update
RUN apt-get install cowsay

figlet/Dockerfile

FROM ubuntu:trusty
MAINTAINER tbpgr <tbpgr@tbpgr.jp>
RUN apt-get update
RUN apt-get install figlet

docker-compose で一括build

$ docker-compose build
$ docker images
REPOSITORY                 TAG                 IMAGE ID            CREATED             VIRTUAL SIZE
testdockercompose_figlet   latest              154d5860affc        26 seconds ago      211.2 MB
testdockercompose_cowsay   latest              8766e33b7dd5        30 seconds ago      210.5 MB

docker-compose で実行

$ docker-compose run cowsay
 ______
< hoge >
 ------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

外部資料