Dockerfile

• from
• label
• run 执行命令并创建新的image layer
• workdir 除了设置文件目录
• add 添加并解压
• copy 复制文件
• env
• volume
• network
• cmd 设置容器启动后执行的命令
• entrypoint 设置同期启动时运行的命令

FROM centos
LABEL author=orangbus
RUN yum install -y vim
WORKDIR /home/Code
ENV PHP_VERSION 7.4
RUN yum install -y mysql-server="${PHP_VERSION}"

shell: entrypoint echo $name

exec: entrypoint ["/bin/bash","-c","echo $name"]

删除退出的容器

docker rm $(docker ps -qa)

## emby 
EMBY_IMAGE=emby/embyserver
EMBY_HTTP_PORT=8085
EMBY_HTTPS_PORT=8086
EMBY_CONFIG_PATH=./emby/config
EMBY_SHAREDIR_PATH=./emby/gd

# emby
    emby:
      container_name: emby
      image: ${EMBY_IMAGE}
      restart: always
      ports:
      - "${EMBY_HTTP_PORT}:8096"
      - "${EMBY_HTTPS_PORT}:8920"
      environment:
        UID: 1000
        GID: 100
        GIDLIST: 100
        DEVICE: /dev/dri:/dev/dri
        RUNTIME: nvidia
      volumes:
      - ${EMBY_CONFIG_PATH}:/config
      - ${EMBY_SHAREDIR_PATH}:/mnt/gd