Docker, Copying image, error - ERROR: failed to solve: failed to compute cache key: failed to calculate checksum

Question

i'm doing a tutorial in docker, and trying to copy a image from docker, and reference the index.hmtl file im my local file, vinnyx05 -> is my login at docker, im running docker desktop. in using Windows 11. the code is:

PS C:\html> docker build -t vinnyx5/nginx-imersao13:latest . 
[+] Building 0.2s (6/6) FINISHED
 => [internal] load build definition from Dockerfile                                                                                         0.1s 
 => => transferring dockerfile: 101B                                                                                                         0.0s 
 => [internal] load .dockerignore                                                                                                            0.1s 
 => => transferring context: 2B                                                                                                              0.0s 
 => [internal] load metadata for docker.io/library/nginx:latest                                                                              0.0s 
 => [internal] load build context                                                                                                            0.0s 
 => => transferring context: 2B                                                                                                              0.0s 
 => CACHED [1/2] FROM docker.io/library/nginx:latest                                                                                         0.0s 
 => ERROR [2/2] COPY html/index.html /usr/share/nginx/html/                                                                                  0.0s 
------
 > [2/2] COPY html/index.html /usr/share/nginx/html/:
------
Dockerfile:3
--------------------
   1 |     FROM nginx:latest
   2 |
   3 | >>> COPY html/index.html /usr/share/nginx/html/
--------------------
ERROR: failed to solve: failed to compute cache key: failed to calculate checksum of ref ccf5a995-3d05-4517-a1ee-20291664f134::ljszgt44a3wte8c2sal6f54p2: failed to walk /var/lib/docker/tmp/buildkit-mount2559770106/html: lstat /var/lib/docker/tmp/buildkit-mount2559770106/html: no such file or directory

i dont know how to fix this, help please? Thanks =)

im trying to do a copy of image, and edit de index.html locally

Answer 1

Double check your .dockerignore file, if it exists make sure that the file mentioned in the error message is not present in this file.