Dockerfile Creation Steps

In recent times, dockerfile creation steps has become increasingly relevant in various contexts. dockerfile - How do I set environment variables during the "docker .... I'm trying to set environment variables in docker container during the build but without success. Setting them when using run command works but I need to set them during the build. Dockerfile if else condition with external arguments.

Accepted answer does not cover "if else condition" part of the question. Would be better to rename it to "Dockerfile with external arguments" if condition check didn't mean to be a requirement. How to get an environment variable value into Dockerfile during "docker .... 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. In relation to this, what's the difference between Docker Compose vs.

Similarly, dockerfile and Docker Compose are two different concepts in Dockerland. When we talk about Docker, the first things that come to mind are orchestration, OS level virtualization, images, containers, etc.. docker - Can a Dockerfile extend another one? And I'd like to create another Dockerfile, based on the first one, but with some PHP extensions added (for dev purpose) : Xdebug and other stuffs. Can I create a "dev" Dockerfile that extends my main Dockerfile (without rewrite it) ?

dockerfile - Purpose of FROM command - Docker file - Stack Overflow. Main purpose of Docker container is to avoid carrying guest OS in every container, as shown below. As mentioned here, The FROM instruction initializes a new build stage and sets the Base Image for

How do I run a docker instance from a DockerFile?. 444 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. Make sure to replace image_name with what you would like to name your image. Docker image naming restrictions can be found here.

Similarly, bash - Clone private git repo with dockerfile - Stack Overflow. The downside of this approach is that you are storing credentials for a private repo within the Dockerfile as opposed to @crooksey's approach which would allow you to reference a key that is stored separately from a Dockerfile. docker - What is the .dockerfile extension? Visual Studio Code (1.22.2) offers a file extension named .dockerfile in the the save dialog. What is a file with this extension?

A Dockerfile is in all documentation and examples, that I've seen s... From another angle, how to pass arguments to a Dockerfile? I am using RUN instruction within a Dockerfile to install a rpm RUN yum -y install samplerpm-2.3 However, I want to pass the value "2.3" as an argument. My RUN instruction should look something li...