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 FROM ...
Dockerfile if else condition with external arguments
Apr 27, 2017 · 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.
What's the difference between Docker Compose vs. Dockerfile
Jul 4, 2019 · 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, …
How do I run a docker instance from a DockerFile?
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. Make sure …
How to get an environment variable value into Dockerfile during …
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 …
dockerfile - Where is the docker file located? - Stack Overflow
Jul 15, 2017 · The Dockerfile isn't on your machine. Once the image is built, it exists independently of the Dockerfile, just like a compiled C program doesn't need its source code kept around to function. …
How does docker-compose.yml and Dockerfile work together?
Mar 16, 2021 · The difference between Dockerfile and Compose file Docker can build images automatically by reading the instructions from a Dockerfile Compose is a tool for defining and running …
What is the difference between the 'COPY' and 'ADD' commands in a ...
When creating a Dockerfile, there are two commands that you can use to copy files/directories into it – ADD and COPY. Although there are slight differences in the scope of their function, they essentially …
How to Dockerfile FROM another Dockerfile? - Stack Overflow
Jan 13, 2020 · I have an application that has two Dockerfile, say Dockerfile.foo and Dockerfile.bar, which are expected to produce two different images for two different services of docker-compose.yml. For …
How to include files outside of Docker's build context?
Nov 22, 2014 · Same mental model here, think that all the files under this directory are moved over to the so-called context. Similarly, just specify the Dockerfile that you want to copy to that same …