By skyforbes 
Once upon a time I was trying to spin up a docker project on Windows, backed by WSL. The docker-compose up log errors were not very clear, but you could see a message like […] exec user process caused: no such file or directory .
Solution
As per https://stackoverflow.com/a/52665687/4216865 , you have to change the line ending in the entrypoint sh file from CRLF to LF . Yes, it is ok to be angry now.