How do I run a Dockerfile from GitHub?
Steps to achieve Docker + GitHub Nirvana
- Launch Docker Image – Launches Docker with an environment variable in a GitHub repository.
- Pull – The Docker image automatically clones the GitHub repository.
- Configuration: Remove dependencies.
- Builds: Build the entire project.
- Run – Starts the project.
If you want to see the docker file, you can go to docker hub and type the image name and version name in the tag format (eg ubuntu:14.04), this will open the image along with the docker file details . Also note that only if the owner of the image shared their Dockerfile, you can see it.
Table of Contents
Can we create Dockerfile from docker image?
Building Docker images for your own applications In this case, you can create a Dockerfile in the same folder as your source code. Then put instructions in the dockerfile that reflect what you do locally on your workstation to compile/package the code.
A common situation I’ve run into on different projects is how to instruct my Docker containers to automatically clone or pull from a private GitHub repository when they’re built.
Where does the dockerfile go when you issue a command?
When you issue a docker build command, the current working directory is called the build context. By default, the Dockerfile is supposed to be located here, but you can specify a different location with the file flag (-f).
How to test your GitHub repositories with Docker?
#Sample from https://github.com/pmcdowell-okta/Simple-node-webserver setup: npm install http build: echo “nothing to build, this node, but thanks for thinking of me” run: node index.js dockertest : make setup make build make run And here is an example in Go:
How to get code in a docker container?
Simply use the -v switch to specify the path of the local directory you want to mount, along with the location where it should be mounted within the running container: docker run -d -P –name -v /path/to/local/directory :/ path/to/container/directory