edit_dockerfile

# File railties/lib/rails/generators/rails/db/system/change/change_generator.rb, line 43
          def edit_dockerfile
            dockerfile_path = File.expand_path("Dockerfile", destination_root)
            return unless File.exist?(dockerfile_path)

            build_name = docker_for_database_build
            deploy_name = docker_for_database_deploy
            if build_name
              gsub_file("Dockerfile", all_docker_builds_regex, build_name)
            end
            if deploy_name
              gsub_file("Dockerfile", all_docker_deploys_regex, deploy_name)
            end
          end