03-4 docker镜像管理之查看镜像的历史

03-4 docker镜像管理之查看镜像的历史

docker history [镜像名称]:[镜像版本]
docker history [镜像ID]

作用：
查看本地一个镜像的历史(历史分层)信息
我们获取到一个镜像，想知道他默认启动了哪些命令或者都封装了哪些系统层，那么我们可以使用docker history这条命令来获取我们想要的信息

演示如下：

# 查看当前本地镜像
qwe@ubuntu:~$ docker images
REPOSITORY            TAG                 IMAGE ID            CREATED             SIZE
ubuntu                21821881            d70eaf7277ea        11 days ago         72.9MB
ubuntu                latest              d70eaf7277ea        11 days ago         72.9MB
mysql                 latest              db2b37ec6181        12 days ago         545MB
hyperledger/caliper   0.4.0               6491b4ec891d        4 weeks ago         356MB
hello-world           latest              bf756fb1ae65        10 months ago       13.3kB

# 执行命令
qwe@ubuntu:~$ docker history hyperledger/caliper:0.4.0 
IMAGE               CREATED             CREATED BY                                      SIZE                COMMENT
6491b4ec891d        4 weeks ago         /bin/sh -c #(nop)  CMD ["--version"]            0B                  
<missing>           4 weeks ago         /bin/sh -c #(nop)  ENTRYPOINT ["caliper"]       0B                  
<missing>           4 weeks ago         /bin/sh -c #(nop)  ENV CALIPER_BIND_ARGS=-g     0B                  
<missing>           4 weeks ago         /bin/sh -c #(nop)  ENV CALIPER_WORKSPACE=/hy…   0B                  
<missing>           4 weeks ago         /bin/sh -c #(nop)  ENV PATH=/home/node/.npm-…   0B                  
<missing>           4 weeks ago         /bin/sh -c #(nop)  ENV NODE_PATH=/home/node/…   0B                  
<missing>           4 weeks ago         |2 caliper_version=0.4.0 npm_registry= /bin/…   71.9MB              
<missing>           4 weeks ago         /bin/sh -c #(nop) WORKDIR /hyperledger/calip…   0B                  
<missing>           4 weeks ago         /bin/sh -c #(nop)  USER node:node               0B                  
<missing>           4 weeks ago         |2 caliper_version=0.4.0 npm_registry= /bin/…   208MB               
<missing>           4 weeks ago         /bin/sh -c #(nop)  ARG caliper_version          0B                  
<missing>           4 weeks ago         /bin/sh -c #(nop)  ARG npm_registry             0B                  
<missing>           14 months ago       /bin/sh -c #(nop)  CMD ["node"]                 0B                  
<missing>           14 months ago       /bin/sh -c #(nop)  ENTRYPOINT ["docker-entry…   0B                  
<missing>           14 months ago       /bin/sh -c #(nop) COPY file:238737301d473041…   116B                
<missing>           14 months ago       /bin/sh -c apk add --no-cache --virtual .bui…   5.5MB               
<missing>           14 months ago       /bin/sh -c #(nop)  ENV YARN_VERSION=1.17.3      0B                  
<missing>           14 months ago       /bin/sh -c addgroup -g 1000 node     && addu…   65.4MB              
<missing>           14 months ago       /bin/sh -c #(nop)  ENV NODE_VERSION=10.16.3     0B                  
<missing>           18 months ago       /bin/sh -c #(nop)  CMD ["/bin/sh"]              0B                  
<missing>           18 months ago       /bin/sh -c #(nop) ADD file:a86aea1f3a7d68f6a…   5.53MB              

IMAGE：编号
CREATED：创建的
CREATED BY ：基于那些命令创建的
SIZE：大小
COMMENT：评论