Java Spring Boot File / Dir Not Found Exception in docker-compose


i have an API with java spring boot which one of its features is to upload files to a directory i named "upload". when I run the API with mvn spring-boot:run, the project runs and there is no error.
Next I dockerize with docker-compose build and success. Then when I run docker-compose up there is an error: upload does not exist.

Project Structure


To Directori



I’m confused why this error occurs, even though when I run it directly it doesn’t matter but when I run it in docker there is an error upload does not exist.
can anyone help me with this problem?

Source: Dockerfile Questions


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