CoreOS 安裝 docker-compose

由於 CoreOS 中 /usr/local/ 不可寫，安裝在該目錄中會提示失敗。

可是 /opt/bin 目錄可寫，同時也在 path 路徑下，那咱們就能夠這樣安裝。

xx~ # mkdir /opt/
xx~ # mkdir /opt/bin
xx~ # curl -L https://github.com/docker/compose/releases/download/1.3.3/docker-compose-`uname -s`-`uname -m` > /opt/bin/docker-compose
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   403    0   403    0     0   1076      0 --:--:-- --:--:-- --:--:--  1080
100 7990k  100 7990k    0     0  2137k      0  0:00:03  0:00:03 --:--:-- 3176k
xx~ # chmod +x /opt/bin/docker-compose
xx~ # docker-compose
Define and run multi-container applications with Docker.

Usage:
  docker-compose [options] [COMMAND] [ARGS...]
  docker-compose -h|--help

Options:
  -f, --file FILE           Specify an alternate compose file (default: docker-compose.yml)
  -p, --project-name NAME   Specify an alternate project name (default: directory name)
  --verbose                 Show more output
  -v, --version             Print version and exit

Commands:
  build              Build or rebuild services
  help               Get help on a command
  kill               Kill containers
  logs               View output from containers
  port               Print the public port for a port binding
  ps                 List containers
  pull               Pulls service images
  restart            Restart services
  rm                 Remove stopped containers
  run                Run a one-off command
  scale              Set number of containers for a service
  start              Start services
  stop               Stop services
  up                 Create and start containers
  migrate-to-labels  Recreate containers to add labels

而後 docker-compose 就能夠正常使用了