PS C:\Users\anbrosa\Documents\volume-exemplo> docker build Dockerfile
[+] Building 1.0s (2/2) FINISHED
=> ERROR [internal] load build definition from Dockerfile 0.9s
=> => transferring dockerfile: 74B 0.0s
=> ERROR [internal] load .dockerignore 1.0s
=> => transferring context: 74B 0.0s
------
> [internal] load build definition from Dockerfile:
------
------
> [internal] load .dockerignore:
------
failed to solve with frontend dockerfile.v0: failed to read dockerfile: error from sender: walk Dockerfile: O sistema não pode encontrar o caminho especificado.