$ bash build.sh build
[+] Building 0.0s (1/1) FINISHED docker:desktop-linux
=> [internal] load build definition from Dockerfile 0.0s
=> => transferring dockerfile: 1.92kB 0.0s
=> WARN: FromAsCasing: 'as' and 'FROM' keywords' casing do not match (li 0.0s
=> WARN: FromAsCasing: 'as' and 'FROM' keywords' casing do not match (li 0.0s
2 warnings found (use --debug to expand):
- FromAsCasing: 'as' and 'FROM' keywords' casing do not match (line 22)
- FromAsCasing: 'as' and 'FROM' keywords' casing do not match (line 54)
According to the official Docker documentation, mixed case should be avoided.
ref: FromAsCasing