Docker note

• docker info显示详细的信息
• docker 命令行格式docker <command> <sub-command> (option) command 一般指manage command,比如docker container run
• --detach\-d参数，使container在后台运行
• docker container run 会一直新建一个container,使用docker container start启用一个已存在的
• docker container --help
• docker container logs [containerName]显示container 日志信息
• docker container top [containerName]显示container进程
• docker container run -d -p 3306:3306 --name db -e MYSQL_RANDOM_ROOT_PASSWORD=yes mysql 新建一个mysql, docker container logs db 查看生成的密码
• docker container inspect container配置详细
• docker container stats查看所有container 状态
• docker container exec -it [name] bash 进入container
• docker container port [name]
• docker image history [imagename:tag] 查看历史
• docker image tag ...更换标签

dockerfile build

• docker build -f some-dockerfile
• docker image build -t [tag name] .

RUN ln -sf /dev/stdout /var/log/nginx/access.log \
	&& ln -sf /dev/stderr /var/log/nginx/error.log
# forward request and error logs to docker log collector

• WORKDIR 切换目录
• docker volume ls 查看挂在目录

docker compose

• docker-compose -f

version: '3.1'  # if no version is specificed then v1 is assumed. Recommend v2 minimum

services:  # containers. same as docker run
  servicename: # a friendly name. this is also DNS name inside network
    image: # Optional if you use build:
    command: # Optional, replace the default CMD specified by the image
    environment: # Optional, same as -e in docker run
    volumes: # Optional, same as -v in docker run
  servicename2:

volumes: # Optional, same as docker volume create

networks: # Optional, same as docker network create

• docker-compose ps