fix typo

### 💻 Step 2: Work in your fork

!!! error "Do not alter `.gitlab-ci.yml`"

    To leverage the R2Devops validaty and security checks on your job, do not

    To leverage the R2Devops validity and security checks on your job, do not

    update the CI/CD configuration file in your fork (`.gitlab-ci.yml` file).

    If you alter it, we will not be able to merge your job in `r2devops/hub`

Each jobs must be compliant with these following rules:

* [ ] Be compliant with [job structure](/job-structure/)

* [ ] Use the `image` option. Goal is to provide **plug and play** jobs working

* [ ] Use the `image` option. The goal is to provide **plug and play** jobs working

  in any environments thanks to containers

* [ ] Use **fixed tag** for docker image and any external tool used inside the

  job. **It shouldn't be `latest` or any tag/version that will be overwritten**

* [ ] Use only resource with license compatible with the job licence and

* [ ] Use only resource with license compatible with the job license and

  permits to anyone to use it

* [ ] Pass our Continuous Integration pipeline which includes security check

  jobs (pipeline will be run automatically inside your fork 🎢 )

#### 🧮 Variables

In order to be customizable, your job should use `variables`. This section

permits to define environment variables, usable by the job script.

permits defining environment variables, usable by the job script.

!!! tip

    Set default values to your variables to reflect the most common use-case,

!!! info

    As described in [our guidelines](#guidelines), all jobs are run inside a

    container instance, so they must specify Docker image to use. Depending of

    container instance, so they must specify Docker image to use. Depending on

    your job, it can be tricky to find the perfect image.

The better place to found a docker image is the [docker

hub](https://hub.docker.com/search?q=&type=image). You can start your research

there with following steps :

there with the following steps :

??? note "1. Search for an image prepared with the tool you want to run"

    1. Search for an image prepared with the tool you want to run

* If the image is official (`OFFICIAL IMAGE` badge on docker hub): this is the

  perfect image for your use case ![Docker official

  badge](images/docker_official_badge.png){: .docker_official_badge }

* Else, following points should be considered to choose an image:

* Else, the following points should be considered to choose an image:

    * The image must be versioned and not only with `latest` tag. ==If image

      isn't versioned: it's not usable for your job==

    * It should be actively maintained, with frequent updates and contains

      recents versions

      recent versions

    * The image should be small, containing only required tools

    * The image should be efficient to run the job

    * A large usage of the image can be a good indicator but take care, it

* Test report

* Build result

In both case, the result should be exposed by the job using

In both case, the result should be exposed by the job using the

[`artifact`](https://docs.gitlab.com/ee/ci/yaml/#artifacts){:target=blank}

option. It permits to pass artifact to another job of the pipeline and

option. It permits passing an artifact to another job of the pipeline and

expose results to users.

!!! info

1. Better integration: Gitlab [`artifacts:reports`](https://docs.gitlab.com/ee/ci/yaml/#artifactsreports){:target=blank}

    This is a way to integrate report result in user-friendly way in Gitlab

    This is a way to integrate report result in aa  user-friendly way in Gitlab

    interface. We encourage all job contributors to adapt their job output to a

    format compatible with a Gitlab report.

2. Quick integration with [`artifacts:expose_as`](https://docs.gitlab.com/ee/ci/yaml/#artifactsexpose_as){:target=blank}

    This is a way to quickly integrate any format of report in Gitlab Merge

    Request interface. Technically, you don't have to format your report ouput

    in a specific format but we recommend to use `HTML` format. In this way,

    Request interface. Technically, you don't have to format your report output

    in a specific format, but we recommend to use `HTML` format. In this way,

    the report is one-click readable from any Merge Request.

    ??? example "Example of `artifacts:expose_as` report"

Jobs of the hub should remain as generic as possible, in order to ensure it:

* Try to avoid using `rules` options that is strongly linked to the context of

  user and so should be set by the user. Also, some features requiring specific

  workflows, as [Gitlab Merge

  the user and so should be set by the user. Also, some features requiring

  specific workflows, as [Gitlab Merge

  Trains](https://docs.gitlab.com/ee/ci/merge_request_pipelines/pipelines_for_merged_results/merge_trains/){:target=blank}

  are more easily implemented by users if you don't specify `rules` in your

  job.

    point. Example: raw content of [openapi

    `README.md`](https://gitlab.com/r2devops/hub/-/raw/latest/jobs/openapi/README.md)

We recommend to include the following sections in your documentation:

We recommend including the following sections in your documentation:

* Objective: describe the goal of your job

* How to use it: a list of steps to quickly use your job

!!! info

    This feature is empowered by the `artifacts` option: jobs producing a

    static website output give it to the `pages` job trough an artifact stored

    static website output give it to the `pages` job through an artifact stored

    in a standard path: `${CI_PROJECT_DIR}/website_build`.

So, if your job produce an static website output, ensure to store the result of

So, if your job produce a static website output, ensure to store the result of

the build in `${CI_PROJECT_DIR}/website_build` and to configure this path as

artifact. See example in [`mkdocs`](/jobs/build/mkdocs/) job.

follow these steps:

1. Test the behavior of your job inside a local container on your machine (with

   the same image than you want to use for the job). To simulate the Gitlab job

   the same image as you want to use for the job). To simulate the Gitlab job

   that will run it on your project you can mount the repository folder inside

   the container:

      ```shell

      # Example if your job will uses node:15.7-buster as Docker image docker run -v

      # Example if your job will use node:15.7-buster as Docker image docker run -v

      /path/to/your/repo:/mnt --entrypoint "/bin/sh" -it node:15.7-buster

      ```

* **[`image`](https://docs.gitlab.com/ee/ci/yaml/#image){:target="_blank"}**: docker image used to run the job

* **`stage`** (mandatory): default stage for the job, must be in our [default stage list](/use-the-hub/#stages)

* **[`script`](https://docs.gitlab.com/ee/ci/yaml/#script){:target="_blank"}** (mandatory): this is the heart of the job. It contains a list of shell commands to run the job

* **[`variables`](https://docs.gitlab.com/ee/ci/yaml/#variables){:target="_blank"}**: variables used by the `script` part of the job to customize its behaviour

* **[`variables`](https://docs.gitlab.com/ee/ci/yaml/#variables){:target="_blank"}**: variables used by the `script` part of the job to customize its behavior

* **[`artifacts`](https://docs.gitlab.com/ee/ci/yaml/#artifacts){:target="_blank"}**: specify the result of the job that should be exposed to the user trough classic artifact or Gitlab reports

**Example of job definition [`apidoc.yml`](https://r2devops.io/jobs/build/apidoc/):**

| `icon` | Unicode emoji character to represent the job ([emojipedia](https://emojipedia.org)) | Yes |

| `default_stage` | Default stage of the job, you have to choose the most relevant stage from our [default stage list](/use-the-hub/#stages) | Yes |

| `maintainer` | Gitlab username of the maintainer | Yes |

| `license` | Open-source licence for the job. You can choose between `Apache-2.0` and `MIT` | Yes |

| `license` | Open-source license for the job. You can choose between `Apache-2.0` and `MIT` | Yes |

| `labels` | List of label describing the job | No |

| `images` | Dict of docker image(s) used by the job. Image name as key and tag version as value | Yes |

| `tools` | Dict of tool(s) installed during the job. Name as key and version as value  | No |

## 🏗 Job changelogs

Jobs keep their changelogs in one folder named `versions`. This folder contains

`markdown` files, each of them representing a version and containing list of

`markdown` files, each of them representing a version and containing a list of

changes provided by this version.

!!! info

    * Jobs version must follows the [Semantic Versioning](https://semver.org/)

    * Jobs version must follow the [Semantic Versioning](https://semver.org/)

    format (`MAJOR.MINOR.PATCH`)

    * The first version for a job must be `0.1.0`

provide an overview of what job does

You can add as many picture as you want in this folder but try to add only

relevant images. You just have to put file inside the folder and they will be

included in the documentation.

relevant images. You just have to put the file inside the folder, and they will

be included in the documentation.

Supported format: `.png`, `.jpeg`, `.jpg`