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docs: update documentation to include eas examples
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@byCedric
byCedric committed Jun 18, 2021
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Expand Up @@ -37,38 +37,40 @@ There are some additional features included to make the usage of this action as
This action is customizable through variables; they are defined in the [`action.yml`](action.yml).
Here is a summary of all the variables that you can use and their purpose.

variable | default | description
--- | --- | ---
`expo-username` | - | The username of your Expo account _(e.g. `bycedric`)_
`expo-token` | - | The token of your Expo account _(e.g. [`${{ secrets.EXPO_TOKEN }}`][link-actions-secrets])_
`expo-password` | - | The password of your Expo account _(e.g. [`${{ secrets.EXPO_CLI_PASSWORD }}`][link-actions-secrets])_
`expo-version` | `latest` | The Expo CLI version to use, can be any [SemVer][link-semver-playground]. _(e.g. `3.x`)_
`expo-packager` | `yarn` | The package manager to install the CLI with. _(e.g. `npm`)_
`expo-cache` | `false` | If it should use the [GitHub actions (remote) cache](#using-the-built-in-cache).
`expo-cache-key` | - | An optional custom (remote) cache key. _(**use with caution**)_
`expo-patch-watchers` | `true` | If it should [patch the `fs.inotify.` limits](#enospc-errors-on-linux).
| variable | default | description |
| ---------------- | ------- | ----------------------------------------------------------------------------------------------------- |
| `expo-version` | - | [Expo CLI](https://github.com/expo/expo-cli) version to install, skips when omitted. |
| `expo-cache` | `false` | If it should use the [GitHub actions (remote) cache](#using-the-built-in-cache). |
| `expo-cache-key` | - | An optional custom (remote) cache key. _(**use with caution**)_ |
| `eas-version` | - | [EAS CLI](https://github.com/expo/eas-cli) version to install, skips when omitted. |
| `eas-cache` | `false` | If it should use the [GitHub actions (remote) cache](#using-the-built-in-cache). |
| `eas-cache-key` | - | An optional custom (remote) cache key. _(**use with caution**)_ |
| `packager` | `yarn` | The package manager to use. _(e.g. `npm`)_ |
| `token` | - | The token of your Expo account _(e.g. [`${{ secrets.EXPO_TOKEN }}`][link-actions-secrets])_ |
| `username` | - | The username of your Expo account _(e.g. `bycedric`)_ |
| `password` | - | The password of your Expo account _(e.g. [`${{ secrets.EXPO_CLI_PASSWORD }}`][link-actions-secrets])_ |
| `patch-watchers` | `true` | If it should [patch the `fs.inotify.` limits](#enospc-errors-on-linux). |

> Never hardcode `expo-token` or `expo-password` in your workflow, use [secrets][link-actions-secrets] to store them.
> It's also recommended to set the `expo-version` to avoid breaking changes when a new major version is released.
## Example workflows

Before you dive into the workflow examples, you should know the basics of GitHub Actions.
You can read more about this in the [GitHub Actions documentation][link-actions].

1. [Publish on any push to master](#publish-on-any-push-to-master)
2. [Cache Expo CLI for other jobs](#cache-expo-cli-for-other-jobs)
3. [Test PRs and publish a review version](#test-prs-and-publish-a-review-version)
4. [Test PRs on multiple nodes and systems](#test-prs-on-multiple-nodes-and-systems)
5. [Test and build web every day at 08:00](#test-and-build-web-every-day-at-0800)
6. [Authenticate using an Expo token](#authenticate-using-an-expo-token)
3. [Creating a new EAS build](#publish-on-any-push-to-master)
4. [Test PRs and publish a review version](#test-prs-and-publish-a-review-version)
5. [Test PRs on multiple nodes and systems](#test-prs-on-multiple-nodes-and-systems)
6. [Test and build web every day at 08:00](#test-and-build-web-every-day-at-0800)
7. [Authenticate using credentials](#authenticate-using-credentials)

### Publish on any push to master

Below you can see the example configuration to publish whenever the master branch is updated.
The workflow listens to the `push` event and sets up Node 12 using the [Setup Node Action][link-actions-node].
It also authenticates the Expo project by defining both `expo-username` and `expo-password`.
It also auto-authenticates when the `token` is provided.

```yml
name: Expo Publish
Expand All @@ -88,8 +90,7 @@ jobs:
- uses: expo/expo-github-action@v5
with:
expo-version: 4.x
expo-username: ${{ secrets.EXPO_CLI_USERNAME }}
expo-password: ${{ secrets.EXPO_CLI_PASSWORD }}
token: ${{ secrets.EXPO_TOKEN }}
- run: yarn install
- run: expo publish
```
Expand Down Expand Up @@ -120,13 +121,44 @@ jobs:
- uses: expo/expo-github-action@v5
with:
expo-version: 4.x
expo-username: ${{ secrets.EXPO_CLI_USERNAME }}
expo-password: ${{ secrets.EXPO_CLI_PASSWORD }}
expo-cache: true
token: ${{ secrets.EXPO_TOKEN }}
- run: yarn install
- run: expo publish
```
### Creating a new EAS build
You can also install EAS CLI with this Github Action.
Below we've swapped `expo-version` with `eas-version`, but you can also use them together.
Both the `token` and `username`/`password` is shared between both Expo and EAS CLI.

> You can [read more about EAS here](https://docs.expo.io/eas/)

```yml
name: EAS build
on:
push:
branches:
- master
jobs:
build:
name: Create new build
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v2
- uses: actions/setup-node@v1
with:
node-version: 14.x
- uses: expo/expo-github-action@v5
with:
eas-version: ^0.17.0
eas-cache: true
token: ${{ secrets.EXPO_TOKEN }}
- run: yarn install
- run: eas build
```

### Test PRs and publish a review version

Reviewing pull requests can take some time if you have to read every line of code.
Expand All @@ -148,8 +180,7 @@ jobs:
- uses: expo/expo-github-action@v5
with:
expo-version: 4.x
expo-username: ${{ secrets.EXPO_CLI_USERNAME }}
expo-password: ${{ secrets.EXPO_CLI_PASSWORD }}
token: ${{ secrets.EXPO_TOKEN }}
- run: yarn install
- run: expo publish --release-channel=pr-${{ github.event.number }}
- uses: unsplash/comment-on-pr@master
Expand All @@ -164,7 +195,7 @@ jobs:
With GitHub Actions, it's reasonably easy to set up a matrix build and test the app on multiple environments.
These matrixes can help to make sure your app runs smoothly on a broad set of different development machines.

> If you don't need automatic authentication, you can omit the `expo-username` and `expo-password` variables.
> If you don't need automatic authentication, you can omit the `token` variables.

```yml
name: Expo CI
Expand Down Expand Up @@ -217,10 +248,10 @@ jobs:
- run: expo build:web
```

### Authenticate using an Expo token
### Authenticate using credentials

Instead of username and password, you can also authenticate using a token.
This might help increasing security and avoids adding username and password to your repository secrets.
Instead of using an access token, you can also authenticate using credentials.
This is only possible when Expo CLI is installed.

```yml
name: Expo Publish
Expand All @@ -240,7 +271,8 @@ jobs:
- uses: expo/expo-github-action@v5
with:
expo-version: 4.x
expo-token: ${{ secrets.EXPO_TOKEN }}
username: ${{ secrets.EXPO_CLI_USERNAME }}
password: ${{ secrets.EXPO_CLI_PASSWORD }}
- run: yarn install
- run: expo publish
```
Expand All @@ -263,7 +295,7 @@ Under the hood, it uses the [`@action/cache`][link-actions-cache-package] packag
This action generates a unique cache key for the OS, used packager, and exact version of the Expo CLI.
If you need more control over this cache, you can define a custom cache key with `expo-cache-key`.

> Note, this cache will count towards your [repo cache limit][link-actions-cache-limit].
> Note, this cache will count towards your [repo cache limit][link-actions-cache-limit]. The Expo and EAS CLI are stored in different caches.

### ENOSPC errors on Linux

Expand All @@ -272,7 +304,7 @@ Creating these bundles require quite some resources.
As of writing, GitHub actions has some small default values for the `fs.inotify` settings.
Inside this action, we included a patch that increases these limits for the current workflow.
It increases the `max_user_instances`, `max_user_watches` and `max_queued_events` to `524288`.
You can disable this patch by setting the `expo-patch-watchers` to `false`.
You can disable this patch by setting the `patch-watchers` to `false`.

<div align="center">
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