# Packaging Odoo based Docker

This page contains steps for packaging different components and add-ons, of a module into a docker image. These instructions must be helpful for System Integrators to add custom Odoo add-ons and create a package.

## Procedure

The steps to package OpenG2P docker are given below.

* Clone the <https://github.com/OpenG2P/openg2p-packaging> and go to the [packaging](https://github.com/OpenG2P/openg2p-packaging/tree/develop/packaging) directory.
* Create a text file, for example`my-package.txt.` This signifies a package. This file should include all OpenG2P modules (repositories) to be packaged into a new docker. Each line describes one repository to include, and the structure of each line looks like this.

```
repo_name = git://<github branch name>//<github url to pull from>
repo2_name = file://<path of the package in local system>
```

* Any underscore in the repository name will be converted to a hyphen during installation. For example,

  ```
  repo_name = git://<github branch name>//<github url to pull from>
  ```

  This is internally converted to `repo-name`.
* The above configuration can be made via environment variables also.
  * Any variable with the prefix `G2P_PACKAGE_my_package_` will be considered as a repository to install i.e., `G2P_PACKAGE_<package_name>_<repo_name>`. For example,

    ```
    G2P_PACKAGE_my_package_repo3_name=git://<github branch name>//<github url to pull from>
    ```
  * These environment variables can be added in `.env` file (in the same folder). The `.env` file will automatically be considered.
  * If the same package is available in `my-package.txt`, `.env,` and environment variable, then their preference order will be considered (highest to lowest).
    * `.env` file.
    * Environment variable.
    * `my-package.txt`
  * Use the `.env` to overload packages from `my-package.txt`
* Run the following to download all packages.

  ```
  ./package.sh my-package.txt
  ```
* After downloading packages, run the following to build docker image.

  ```
  docker build . -t <docker image name>
  ```
* Then push the image.

  ```
  docker push <docker image name>
  ```

Notes:

* The above uses Bitnami's Odoo image as base.
* This script also pulls in any OCA dependencies configured, in `oca_dependencies.txt` inside each package. Use this environment variable to change the version of OCA dependencies to be pulled, `OCA_DEPENDENCY_VERSION` (defaults to `15.0`).
* This also installs any python requirements configured in `requirements.txt` inside each package.
* Reference packages can be found in packages directory inside packaging directory.


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