When version 1.0 of Docker was released the new COPY instruction was included. Unlike ADD, COPY does a straight-forward, as-is copy of files and folders from ...
To use a file in the build context, the Dockerfile refers to the file specified in an instruction, for example, a COPY instruction. To increase the build’s performance, exclude files and directories by adding a .dockerignore file to the context directory. For information about how to create a .dockerignore file see the documentation on this page.
Omitting the build context can be useful in situations where your Dockerfile does not require files to be copied into the image, and improves the build-speed, as no files are sent to the daemon.. If you want to improve the build-speed by excluding some files from the build- context, refer to exclude with .dockerignore.. Note: Attempting to build a Dockerfile that uses COPY or ADD will …
17.10.2020 · But essentially, when you say "docker build directory-with-docker-file" COPY only sees files in (and below) the directory with the Dockerfile. What you probably want to do is compile "swagger" during the docker build, and then put it in the path you want.
To use a file in the build context, the Dockerfile refers to the file specified in an instruction, for example, a COPY instruction. To increase the build's ...
From the documentation : The <src> path must be inside the context of the build; you cannot COPY ../something /something, because the first step of a docker ...
COPY obeys the following rules: The <src> path must be inside the context of the build; you cannot COPY ../something /something, because the first step of a docker build is to send the context directory (and subdirectories) to the docker daemon. If <src> is a directory, the entire contents of the directory are copied, including filesystem metadata.