Description
Dockerize is an Elixir package that helps you create Docker images from Elixir projects.
dockerize alternatives and similar packages
Based on the "Deployment" category.
Alternatively, view dockerize alternatives based on common mentions on social networks and blogs.
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README
Dockerize is an Elixir package that helps you create Docker images from Elixir projects.
Prerequirements
- Elixir >= 1.9
Install
mix archive.install hex dockerize
Getting Started
1. Generate configurations from template
Run this command in your project directory:
mix dockerize.init
2. Build your docker image
just run docker build, for example
docker build .
# or optionally run with buildkit:
# DOCKER_BUILDKIT=1 docker build .
Done!
Now you are free to do anything with the docker image built, either run it locally or host it on your infrastructures, e.g a Kubernete cluster.
For more information of docker build, please refer to the official document.
Customizing
Phoenix projects without assets
By default, it speculates if it's running in a phoenix project or not, by information from Mix.Project.config(). So basically you have to do nothing specially. But if your phoenix project doesn't have assets, you could use the --no-phoenix-assets parameter on generating the Dockerfile.
Use different app name other than directory name
By default, it speculates app_name from the directory name. You can change it by:
mix dockerize.init --app my_app
use MIX_ENV other than prod
By default, it build the image with MIX_ENV=prod. You can change MIX_ENV value by providing it as an build argument:
docker build --build-arg mix_env=dev .
use HEX_MIRROR other than default (https://repo.hex.pm)
If you are in China, you may want to use some hex mirror:
docker build --build-arg hex_mirror_url=https://hexpm.upyun.com .
Docker images underhood
There are two base docker images used:
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- A final runtime environment for running your release.
- This image is based on Alpine which is very small.
- There are some useful utility tools installed out of the box.
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- A build-time environment
- Used for building the final minimum docker image to distribute.
- Suitable for CI/CD uses.