package docker import ( "alpha.dagger.io/dagger/op" "alpha.dagger.io/alpine" ) ref: string @dagger(input) TestPull: { pull: #Pull & {from: ref} check: #up: [ op.#Load & {from: alpine.#Image}, op.#Exec & { always: true args: [ "sh", "-c", """ grep -q "test" /src/test.txt """, ] mount: "/src": from: pull }, ] }