查詢使用某個image的instances
在Docker中，要查詢所有process很簡單，docker ps就會返回所有執行中的列表，也可以加上-a參數來show所有不管關閉或開啟的機器列表... 而如果希望找到由某個image開起來的instances，可以透過filter + ancestor來做到... docker ps -f ancestor=[image_name] 範例： docker ps -f ancestor=registry:2 CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 54689a3084a4 registry:2 "/bin/registry /etc/d" 6 weeks ago Up 13 hours 0.0.0.0:80->5000/tcp registry 0bcb6beac991 registry:2 "/bin/registry /etc/d" 7 weeks ago Up 13 hours 0.0.0.0:5000->5000/tcp mwciotdemo_registry_1 搭配filter也可以透過label的方式來查詢... 幫啟動的instance加上label... # docker run -d -l mynginx nginx Unable to find image 'nginx:latest' locally latest: Pulling from library/nginx 357ea8c3d80b: Pull complete 0fc04568277e: Pull complete 0bed9719ddcb: Pull complete Digest: sha256:d33834dd25d330da75dccd8add3ae2c9d7b12302b421b02cecb6cb7b34a...