[Docker] history 명령어

history 명령어를 통해서 이미지가 어떤 과정을 거쳐 생성되었는지 확인해볼수 있다.

아래와 같이 nginx 의 latest 이미지와 stable 이미지에 대한 내역을 비교해볼수 있다.

root@myserver-001:~# docker history nginx:stable
IMAGE          CREATED       CREATED BY                                      SIZE      COMMENT
c8d03f6b8b91   4 weeks ago   /bin/sh -c #(nop)  CMD ["nginx" "-g" "daemon…   0B        
<missing>      4 weeks ago   /bin/sh -c #(nop)  STOPSIGNAL SIGQUIT           0B        
<missing>      4 weeks ago   /bin/sh -c #(nop)  EXPOSE 80                    0B        
<missing>      4 weeks ago   /bin/sh -c #(nop)  ENTRYPOINT ["/docker-entr…   0B        
<missing>      4 weeks ago   /bin/sh -c #(nop) COPY file:09a214a3e07c919a…   4.61kB    
<missing>      4 weeks ago   /bin/sh -c #(nop) COPY file:0fd5fca330dcd6a7…   1.04kB    
<missing>      4 weeks ago   /bin/sh -c #(nop) COPY file:0b866ff3fc1ef5b0…   1.96kB    
<missing>      4 weeks ago   /bin/sh -c #(nop) COPY file:65504f71f5855ca0…   1.2kB     
<missing>      4 weeks ago   /bin/sh -c set -x     && addgroup --system -…   63.9MB    
<missing>      4 weeks ago   /bin/sh -c #(nop)  ENV PKG_RELEASE=1~buster     0B        
<missing>      4 weeks ago   /bin/sh -c #(nop)  ENV NJS_VERSION=0.5.3        0B        
<missing>      4 weeks ago   /bin/sh -c #(nop)  ENV NGINX_VERSION=1.20.1     0B        
<missing>      4 weeks ago   /bin/sh -c #(nop)  LABEL maintainer=NGINX Do…   0B        
<missing>      4 weeks ago   /bin/sh -c #(nop)  CMD ["bash"]                 0B        
<missing>      4 weeks ago   /bin/sh -c #(nop) ADD file:910392427fdf089bc…   69.3MB    

root@myserver-001:~# docker history nginx:latest
IMAGE          CREATED        CREATED BY                                      SIZE      COMMENT
04661cdce581   45 hours ago   /bin/sh -c #(nop)  CMD ["nginx" "-g" "daemon…   0B        
<missing>      45 hours ago   /bin/sh -c #(nop)  STOPSIGNAL SIGQUIT           0B        
<missing>      45 hours ago   /bin/sh -c #(nop)  EXPOSE 80                    0B        
<missing>      45 hours ago   /bin/sh -c #(nop)  ENTRYPOINT ["/docker-entr…   0B        
<missing>      45 hours ago   /bin/sh -c #(nop) COPY file:09a214a3e07c919a…   4.61kB    
<missing>      45 hours ago   /bin/sh -c #(nop) COPY file:0fd5fca330dcd6a7…   1.04kB    
<missing>      45 hours ago   /bin/sh -c #(nop) COPY file:0b866ff3fc1ef5b0…   1.96kB    
<missing>      45 hours ago   /bin/sh -c #(nop) COPY file:65504f71f5855ca0…   1.2kB     
<missing>      45 hours ago   /bin/sh -c set -x     && addgroup --system -…   61.1MB    
<missing>      45 hours ago   /bin/sh -c #(nop)  ENV PKG_RELEASE=1~bullseye   0B        
<missing>      45 hours ago   /bin/sh -c #(nop)  ENV NJS_VERSION=0.7.0        0B        
<missing>      45 hours ago   /bin/sh -c #(nop)  ENV NGINX_VERSION=1.21.4     0B        
<missing>      45 hours ago   /bin/sh -c #(nop)  LABEL maintainer=NGINX Do…   0B        
<missing>      4 weeks ago    /bin/sh -c #(nop)  CMD ["bash"]                 0B        
<missing>      4 weeks ago    /bin/sh -c #(nop) ADD file:16dc2c6d1932194ed…   80.4MB