Can t delete docker image with dependent child images

Question

I am trying  docker rmi c565603bc87f   Error      Error response from daemon  conflict  unable to delete c565603bc87f    cannot be forced  - image has dependent child images   So i can t delete image even with -f flag  How to delete image then and all of its children    Linux and docker version    uname -a Linux goracio-pc 4 4 0-24-generic  43-Ubuntu SMP Wed Jun 8 19 27 37 UTC 2016 x86 64 x86 64 x86 64 GNU Linux  docker version Client  Version  1 11 2 API version  1 23 Go version  go1 5 4 Git commit  b9f10c9 Built  Wed Jun 1 22 00 43 2016 OS Arch  linux amd64  Server  Version  1 11 2 API version  1 23 Go version  go1 5 4 Git commit  b9f10c9 Built  Wed Jun 1 22 00 43 2016 OS Arch  linux amd64

User · Answer

The answer here is to find all descendent children  which has an answer here   docker how can I get the list of dependent child images   Then use that to remove the child images in order

User · Answer

In some cases  like in my case  you may be trying to delete an image by specifying the image id that has multiple tags that you don t realize exist  some of which may be used by other images  In which case  you may not want to remove the image   If you have a case of redundant tags as described here  instead of docker rmi  lt image id gt  use docker rmi  lt repo tag gt  on the redundant tag you wish to remove

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docker rm   docker ps -aq    After that use the command as Nguyen suggested

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I also got this issue  I could resolve issue with below commands  this may be cause  the image s  container is  running or exit so before remove image you need to remove container  docker ps -a -f status exited   this command shows all the exited containers so then copy container Id and then run below commands to remove container  docker rm  containerId   this command remove container this may be issue that mention  image has dependent child images   Then try to remove image with below command  docker rmi  ImageId

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THIS COMMAND REMOVES ALL IMAGES  USE WITH CAUTION   Have you tried to use --force  sudo docker rmi   sudo docker images -aq  --force   This above code run like a charm even doe i had the same issue

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Image Layer  Repositories are often referred to as images or container images  but actually they are made up of one or more layers  Image layers in a repository are connected together in a parent-child relationship  Each image layer represents changes between itself and the parent layer   The docker building pattern uses inheritance  It means the version i depends on version i-1   So  we must delete the version i 1 to be able to delete version i  This is a simple dependency    If you wanna delete all images except the last one  the most updated  and the first  base  then we can export the last  the most updated one  using docker save command as below    docker save -o  lt output file gt   lt your image-id gt    gzip  lt output file gt  tgz   Then  now  delete all the images using image-id as below    docker rm -f  lt image-id i gt    docker rm -f  lt image i-1 gt    docker rm -f  lt image-id i-2 gt       lt docker rm -f  lt image-id i-k gt    where i-k   1   Now  load your saved tgz image as below   gzip -c  lt output file tgz gt    docker load   see the image-id of your loaded image using docker ps -q  It doesn t have tag and name  You can simply update tag and name as done below    docker tag  lt image id gt  group name name tag

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You should try to remove unnecessary images before removing the image   docker rmi   docker images --filter  dangling true  -q --no-trunc    After that  run   docker rmi c565603bc87f

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all previous answers are correct but here is one solution which is just deleteing all of your images forcefully  use this command at your own risk it will delete all of your images   docker rmi   docker images -q  -f

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Expanding on the answer provided by  Nguyen - this function can be added to your  bashrc etc and then called from the commandline to help clean up any image has dependent child images errors     You can run the function as yourself  and if a docker ps fails  then it will run the docker command with sudo and prompt you for your password   Does NOT delete images for any running containers   docker rmi dependants                                                                                                                                                                  DOCKER docker     docker ps  gt  dev null 2 gt  amp 1      DOCKER  sudo docker     echo  Docker    DOCKER      for n in     DOCKER  images   awk   2      lt none gt    print  3       do       echo  ImageID   n         DOCKER  inspect --format     Id      Parent        DOCKER  images --filter since  n -q     done       DOCKER  rmi     DOCKER  images   awk   2      lt none gt    print  3        I also have this in my  bashrc file     docker rm dangling           DOCKER docker     docker ps  gt  dev null 2 gt  amp 1      DOCKER  sudo docker     echo  Docker    DOCKER        DOCKER  images -f dangling true 2 gt  amp 1  gt   dev null  amp  amp  YES                                                                                                                         if    YES -eq 1    then     read -t 30 -p  Press ENTER to remove  or CTRL-C to quit          DOCKER  rmi     DOCKER  images -f dangling true -q     else     echo  Nothing to do    all groovy      fi       Works with     docker --version  Docker version 17 05 0-ce  build 89658be

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Here s a script to remove an image and all the images that depend on it      bin bash  if       -lt 1     then     echo must supply image to remove      exit 1  fi   get image children          ret        for i in   docker image ls -a --no-trunc -q   do           gt  amp 2 echo processing image   i             gt  amp 2 echo parent is   docker image inspect --format     Parent      i           if       docker image inspect --format     Parent      i         1      then             ret     i            fi      done      echo    ret          realid   docker image inspect --format     Id      1   if    -z   realid      then     echo   1 is not a valid image        exit 2  fi  images to remove    realid    images to process    realid    while        images to process      -gt 0     do     children to process         for i in     images to process       do         children   get image children    images to process  i              if      -z   children      then               allow word splitting on the children              children to process    children           fi      done      if        children to process      -gt 0     then         images to process     children to process                images to remove      children to process            else          no images have any children  We re done creating the graph          break      fi  done  echo images to remove      printf  s n    images to remove         indices     images to remove       for   i     indices      - 1  i  gt   0  --i     do     image to remove    images to remove indices i         if       image to remove 0 7       sha256       then         image to remove    image to remove 7        fi     echo removing image   image to remove       docker rmi   image to remove   done

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I had this issue and none of the short answers here worked  even in the page mentioned by  tudor above  I thought I would share here how I got rid of the images   I came up with the idea that dependent images must be    the size of the parent image  which helps identify it so we can remove it   I listed the images in size order to see if I could spot any correlations    docker images --format     Size   t   Repository   t   Tag   t   ID      sort -h -r   column -t   What this does  is use some special formatting from docker to position the image size column first  then run a human readable sort in reverse order   Then I restore the easy-to-read columns   Then I looked at the  lt none gt  containers  and matched the first one in the list with a similar size   I performed a simple docker rmi  lt image tag gt  on that image and all the  lt none gt  child images went with it   The problem image with all the child images was actually the damn myrepo getstarted-lab image I used when I first started playing with docker   It was because I had created a new image from the first test image which created the chain   Hopefully that helps someone else at some point

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Force deleting a list of images  exclude version 10  for example       docker images    grep version   grep -v version10   images txt  amp  amp  for   img in     awk -F      print  3    root images txt     do docker rmi   -f  img  done

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When i want to remove some unused image with name  quot  lt none gt  quot  in docker i face with the problem unable to delete a354bbc7c9b7  cannot be forced  - image has dependent child images So for solving this problem   sudo docker ps -a  CONTAINER ID        IMAGE                       COMMAND                  CREATED             STATUS                         PORTS                                              NAMES 01ee1276bbe0        lizard 1                     quot  bin sh -c  java     quot    About an hour ago   Exited  1  About an hour ago                                                      objective lewin 49d73d8fb023        javaapp latest               quot  usr bin java -ja    quot    19 hours ago        Up 19 hours                    0 0 0 0 8091- gt 8091 tcp                             pedantic bell 405fd452c788        javaapp latest               quot  usr bin java -ja    quot    19 hours ago        Created                                                                           infallible varahamihira 532257a8b705        javaapp latest               quot  usr bin java -ja    quot    19 hours ago        Created                                                                           demo-default 9807158b3fd5        javaapp latest               quot  usr bin java -ja    quot    19 hours ago        Created                                                                           xenodochial kilby 474930241afa        jenkins                      quot  bin tini --  usr    quot    13 days ago         Up 4 days                      0 0 0 0 8080- gt 8080 tcp  0 0 0 0 50000- gt 50000 tcp   myjenkins 563d8c34682f        mysql mysql-server latest    quot  entrypoint sh my    quot    3 weeks ago         Up 4 days  healthy             0 0 0 0 3306- gt 3306 tcp  33060 tcp                  mymysql b4ca73d45d20        phpmyadmin phpmyadmin        quot  run sh phpmyadmin quot      4 weeks ago         Exited  0  3 weeks ago                                                            phpmyadmin  you can see that i have several Images with name javaapp latest and different container name  So  i killed and remove all container of  quot javaapp latest quot   container with   sudo docker stop  quot containerName quot  sudo docker rm  quot containrName quot   Then  sudo docker rmi -f  quot imageId quot   So i can remove all the images with name  quot  lt none gt  quot  goodluck

User · Answer

Just simply use  docker rmi  lt image tag gt  -f  for example  docker rmi ubuntu latest -f   will remove image name ubuntu with tag name latest and -f is for forcefully removal  it worked for me

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Building on Simon Brady s brute force method here  if you don t have a ton of images you can use this shell function   recursive remove image       for image in   docker images --quiet --filter  since   1      do     if     docker history --quiet   image    grep   1         then       recursive remove image    image       fi   done   echo  Removing    1     docker rmi -f   1      and then call it using recursive remove image  lt image-id gt

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you can just do this        sudo docker rmi 4ed13257bb55 -f Deleted  sha256 4ed13257bb5512b975b316ef482592482ca54018a7728ea1fc387e873a68c358 Deleted  sha256 4a478ca02e8d2336595dcbed9c4ce034cd15f01229733e7d93a83fbb3a9026d3 Deleted  sha256 96df41d1ce6065cf75d05873fb1f9ea9fed0ca86addcfcec7722200ed3484c69 Deleted  sha256 d95efe864c7096c38757b80fddad12819fffd68ac3cc73333ebffaa42385fded

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find the image id and parent id for all image created after the image in question with the following    docker inspect --format     Id      Parent      docker images --filter since  lt image id gt  -q    Then you call command   docker rmi  sub image id      sub image id  is ID of dependent image

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What worked to me was to use the REPOSITORY TAG combination rather than IMAGE ID   When I tried to delete a docker image with the command docker rmi  lt IMAGE ID gt  with no containers associated with this image I had the message     docker rmi 3f66bec2c6bf Error response from daemon  conflict  unable to delete 3f66bec2c6bf  cannot be forced  - image has dependent child images   I could delete with success when I used the command docker rmi RPOSITORY TAG     docker rmi ubuntu 18 04v1 Untagged  ubuntu 18 04v1

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Suppose we have a Dockerfile  FROM ubuntu trusty CMD ping localhost   We build image from that without TAG or naming  docker build     Now we have a success report  Successfully built 57ca5ce94d04  If we see the docker images   REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE  lt none gt                lt none gt               57ca5ce94d04        18 seconds ago      188MB ubuntu              trusty              8789038981bc        11 days ago         188MB   We need to first remove the  docker rmi 57ca5ce94d04  Followed by   docker rmi 8789038981bc   By that image will be removed   A forced removal of all as suggested by someone  docker rmi   docker images -q  -f

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If you want to Untag Docker Images docker rmi  lt rep tag gt   If you want to Removing Docker Images docker image rm  lt image id gt   Ex  Type docker image ls to show info of Images REPOSITORY          TAG                 IMAGE ID            CREATED             SIZE python              3 6            60f85556d5d2        4 days ago          174MB   docker rmi python 3 6   docker image rm 60f85556d5d2

[docker] Can’t delete docker image with dependent child images

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