package main import ( "dagger.io/dagger/engine" ) engine.#Plan & { actions: { image: engine.#Pull & { source: "alpine:3.15.0@sha256:e7d88de73db3d3fd9b2d63aa7f447a10fd0220b7cbf39803c803f2af9ba256b3" } exec: engine.#Exec & { input: image.output args: [ "sh", "-c", #""" echo -n hello world > /output.txt """#, ] } verify_file: engine.#ReadFile & { input: exec.output path: "/output.txt" } & { // assert result contents: "hello world" } copy: engine.#Copy & { input: image.output source: { root: exec.output path: "/output.txt" } dest: "/output.txt" } verify_copy: engine.#ReadFile & { input: copy.output path: "/output.txt" } & { // assert result contents: "hello world" } } }