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# agl-docker-worker
## Purpose
This repository contains some scripts to generate a Docker image suitable for AGL workers.
The AGL worker image is a Docker image based on Debian 8 and contains the necessary tools
either to build platform images based on Yocto, or run the AGL SDK to build AGL Applications
outside of Yocto process.
## Requirements
Have a recent docker daemon (>=1.10) installed. All the setup is done inside the image so no other tool is required on the host.
## Usage
To get some help, simply run:
```
make help
```
Typically, the sequence to build an image is:
```
# make build
...
# make export
...
# make clean
```
## How it works
The Dockerfile is generic: it simply inherits from a Debian image.
When running a 'docker build':
* Docker instantiates a new container based on the latest Debian image
* Docker copies the current directory inside the container in /root/INSTALL
* then it runs the setup script /root/INSTALL/docker/setup_image.sh
In turn, this setup script will:
* source the configuration file /root/INSTALL/docker/image.conf
* execute all scripts contained in /root/INSTALL/setup.d
When the setup script finishes, Docker commits the temporary container in a new image.
This image can then be exported to a tarball and/or pushed to a Docker registry.
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