Introduction

This repo constitutes an easily reusable setup for a standalone Keycloak theme project OR for a SPA React App that generates a Keycloak theme that goes along with it.
If you are only looking to create a theme (and not a theme + an App) there are a lot of things that you can remove from this starter: Please read this section of the README.

Quick start

yarn
yarn build-keycloak-theme # Build the theme one time (some assets will be copied to 
              # public/keycloak_static, they are needed to dev your page outside of Keycloak)
yarn start # See the Hello World app
# Uncomment line 15 of src/keycloak-theme/kcContext, reload https://localhost:3000
# You can now develop your Login pages. (Don't forget to comment it back when you're done)

# Think your theme is ready? Run
yarn build-keycloak-theme
# Read the instruction printed on the console to see how to test
# your theme on a real Keycloak instance.

The CI workflow

You need to manually allow GitHub Action to push on your repositroy. For this reason the initial setup will fail. You need to enabled permission and re-run failed job: see video.
This CI is configured to publish the app and the Storybook of the Keycloak theme on GitHub Pages and on DockerHub (as ngnix based docker image). In practice you probably want one or the other but not both... or neither if you are just building a theme (and not a theme + an app).
If you want to enable the CI to publish on DockerHub on your behalf go to repository Settings tab, then Secrets you will need to add two new secrets: DOCKERHUB_TOKEN, you Dockerhub authorization token.
DOCKERHUB_USERNAME, Your Dockerhub username. We deploy the demo app at starter.keycloakify.dev using GitHub page on the branch gh-pages (you have to enable it).
To configure your own domain name please refer to this documentation.
To release don't create a tag manually, the CI do it for you. Just update the package.json's version field and push.
The .jar files that bundle the Keycloak theme will be attached as an asset with every GitHub release. Example. The permalink to download the latest version is: https://github.com/USER/PROJECT/releases/latest/download/keycloak-theme.jar. For this demo repo it's here
The CI publishes the app docker image on DockerHub. <org>/<repo>:main for each commit on main, <org>/<repo>:<feature-branch-name> for each pull-request on main and when releasing a new version: <org>/<repo>:latest and <org>/<repo>:X.Y.Z See on DockerHub

If you want an example of an app that put that setup in production checkout onyxia-ui: the repo, the login, the app.

Standalone vs `--external-assets`

The CI creates two jars

keycloak-theme.jar: Generated with npx keycloakify --external-assets, the assets, located static/**/*, like for example static/js/main.<hash>.js will be downloaded from https://starter.keycloakify.dev/static/js/main.<hash>.js (starter.keycloakify.dev is specified in the package.json.
standalone-keycloak-theme.jar: Generated with npx keycloakify, this theme is fully standalone, all assets will be served by the Keycloak server, for example static/js/main.<hash>.js will be downloaded from an url like http://<your keycloak url>/resources/xxxx/login/keycloakify-starter/build/static/js/main.<hash>.js.

More info on the --external-assets build option here.

Docker

docker build -f Dockerfile -t codegouvfr/keycloakify-starter:test .
#OR (to reproduce how the image is built in the ci workflow):
yarn && yarn build && tar -cvf build.tar ./build && docker build -f Dockerfile.ci -t codegouvfr/keycloakify-starter:test . && rm build.tar

docker run -it -dp 8083:80 codegouvfr/keycloakify-starter:test

Standalone keycloak theme

If you are only looking to create a keycloak theme, you can run theses few commands after clicking to refactor the template and remove unnecessary files.

rm -r src/App
rm src/keycloak-theme/valuesTransferredOverUrl.ts
mv src/keycloak-theme/* src/
rm -r src/keycloak-theme

cat << EOF > src/index.tsx
import { createRoot } from "react-dom/client";
import { StrictMode } from "react";
import { kcContext } from "./kcContext";
import KcApp from "./KcApp";

if( kcContext === undefined ){
    throw new Error(
        "This app is a Keycloak theme" +
        "It isn't meant to be deployed outside of Keycloak"
    );
}

createRoot(document.getElementById("root")!).render(
    <StrictMode>
        <KcApp kcContext={kcContext} />
    </StrictMode>
);
EOF

rm .dockerignore Dockerfile Dockerfile.ci nginx.conf

cat << EOF > .github/workflows/ci.yaml
name: ci
on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

jobs:

  build:
    runs-on: ubuntu-latest
    if: github.event.head_commit.author.name != 'actions'
    steps:
    - uses: actions/checkout@v2
    - uses: actions/setup-node@v2.1.3
      with:
        node-version: '16'
    - uses: bahmutov/npm-install@v1
    - run: yarn build
    - run: npx keycloakify
    - uses: actions/upload-artifact@v2
      with:
        name: standalone_keycloak_theme
        path: build_keycloak/target/*keycloak-theme*.jar
    - uses: actions/upload-artifact@v2
      with:
        name: build
        path: build

  check_if_version_upgraded:
    name: Check if version upgrade
    runs-on: ubuntu-latest
    needs: build
    outputs:
      from_version: \${{ steps.step1.outputs.from_version }}
      to_version: \${{ steps.step1.outputs.to_version }}
      is_upgraded_version: \${{ steps.step1.outputs.is_upgraded_version }}
    steps:
    - uses: garronej/ts-ci@v1.1.7
      id: step1
      with: 
        action_name: is_package_json_version_upgraded

  create_github_release:
    runs-on: ubuntu-latest
    needs: 
      - check_if_version_upgraded
    # We create a release only if the version have been upgraded and we are on a default branch
    # PR on the default branch can release beta but not real release
    if: |
      needs.check_if_version_upgraded.outputs.is_upgraded_version == 'true' &&
      (
        github.event_name == 'push' ||
        needs.check_if_version_upgraded.outputs.is_release_beta == 'true'
      )
    steps:
    - run: mkdir jars
    - uses: actions/download-artifact@v2
      with:
        name: standalone_keycloak_theme
    - run: mv *keycloak-theme*.jar jars/standalone-keycloak-theme.jar
    - uses: softprops/action-gh-release@v1
      with:
        name: Release v\${{ needs.check_if_version_upgraded.outputs.to_version }}
        tag_name: v\${{ needs.check_if_version_upgraded.outputs.to_version }}
        target_commitish: \${{ github.head_ref || github.ref }}
        generate_release_notes: true
        files: |
          jars/standalone-keycloak-theme.jar
        draft: false
        prerelease: \${{ needs.check_if_version_upgraded.outputs.is_release_beta == 'true' }}
      env:
        GITHUB_TOKEN: \${{ secrets.GITHUB_TOKEN }}
EOF

You can also remove jwt-decode, keycloak-js and `tsafe from your dependencies.

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