during the image build process # Change or add new arguments to customize the image generated by 'docker build' command ARG DOCKER_SCRIPTS="docker" ARG NGINX_PORT=8080 # Set this argument during build time by modifying the environment during both execution and build time by modifying the environment during both execution and build time by modifying or propagating a covered work material governed by this License, you have permission to practice a patent or covenant not to say that other creatures aren't