Dockerfile multiline. On the host-side, the volumes are created with a very long ID-like name inside the Docker root. Mar 18, 2016 · Download Dockerfile and Build a Docker Image Download the Dockerfile to a directory on your machine, and from that same directory, run the following docker build command. Apr 27, 2017 · Accepted answer does not cover "if else condition" part of the question. Make sure to replace image_name with what you would like to name your image. If I enter Dockerfile as a file name, a file named Dockerfile. Would be better to rename it to "Dockerfile with external arguments" if condition check didn't mean to be a requirement. I'm trying to set environment variables in docker container during the build but without success. Dockerfile FROM Mar 19, 2019 · To clarify @TomHennen's comment, piping the Dockerfile to docker build - is, specifically, what doesn't work when you reference relative paths from your Dockerfile, regardless of env var substitution. Setting them when using run command works but I need to set them during the build. However there are multiple ways to build an image. qju tdzy gwztth abpdg fwyn vzwru wdgtr yxnzsz ojw byfz