How to define a variable in a Dockerfile?
You can use ARG – see https://docs.docker.com/engine/reference/builder/#arg The ARG instruction defines a variable that users can pass at build-time to the builder with the docker build command using the –build-arg <varname>=<value> flag. If a user specifies a build argument that was not defined in the Dockerfile, the build outputs an error. Can be useful with … Read more