rule all:
    input: 
        "output.txt"

rule copy_in_container:
    input: 
        "input.txt"
    output: 
        "output.txt"
    params:
        workflow.source_path("some_dir/some_other_input.txt")
    container: 
        "docker://ubuntu:latest"
    shell:
        "touch ../../test.txt && cat {input} {params} > {output}"
