In order to get the digest of an image i.e. the SHA256 hash of the image, you can make use of the option --digests along with the docker images command,
# docker images --digests
REPOSITORY TAG DIGEST IMAGE ID CREATED SIZE
ubuntu latest sha256:4b1d0c4a2d2aaf63b37111f34eb9fa89fa1bf53dd6e4ca954d47caebca4005c2 3c2df5585507 6 days ago 69.2MB
amazonlinux latest sha256:f0ad031d65bf6cd219d8621d2a304d884c6a809ca2b20855eac371df92f4fcaf 5514655128c4 13 days ago 194MB
alpine latest sha256:bc41182d7ef5ffc53a40b044e725193bc10142a1243f395ee852a8d9730fc2ad a6215f271958 3 months ago 5.29MB
As you can see, when I used the --digests option, the digest column is made available with 64 characters long sha256 digest of the images.

Provide Feedback For This Article
We take your feedback seriously and use it to improve our content. Thank you for helping us serve you better!
😊 Thanks for your time, your feedback has been registered!
Comments & Discussion
Facing issues? Have questions? Post them here! We're happy to help!