Deploy to GH pages

This updates the frontend deploy workflow to deploy to this repo's GH pages instead of to geoplatform.gov's S3 bucket. There's also some light cleanup of the deploy workflow overall. Fixes #2.

.github/workflows/deploy_frontend_main.yml

@@ -1,18 +1,19 @@
 name: Deploy Frontend Main
+
 on:
   push:
-    # EDGI: DISABLE THIS WORKFLOW FOR NOW. It comes from the original DOI
-    # implementation, and we don't have the same deployment setup.
-    branches: [not-a-real-branch]
+    branches: [main]
     paths:
+      - ".github/workflows/deploy_frontend_main.yml"
       - "client/**/*"
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true
+
 jobs:
   build:
     runs-on: ubuntu-latest
-    environment: Staging
     defaults:
       run:
         working-directory: client
@@ -21,69 +22,59 @@ jobs:
         node-version: [18.x]
     steps:
       - uses: actions/checkout@v4
+
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node-version }}
-      - name: Set DESTINATION_FOLDER for main
-        run: |
-          echo "DESTINATION_FOLDER=main" >> $GITHUB_ENV
+
       - name: Install
         run: npm ci
+
       - name: Build
-        run: npm run build --if-present
+        run: npm run build
         env:
           # See the client readme for more info on environment variables:
           # https://github.com/usds/justice40-tool/blob/main/client/README.md
           DATA_SOURCE: cdn
-          # TODO: Update main URL when either is back up
-          SITE_URL: "${{ secrets.SITE_URL }}"
+          SITE_URL: "${{ vars.SITE_URL }}"
+          PATH_PREFIX: "${{ vars.PATH_PREFIX }}"
+
       - name: Get directory contents
         run: ls -la public
+
       - name: Lint
         run: npm run lint
-        # Disabling for now due to jsonlint - TODO: put this back
-      # - name: License Check
-      #   run: npm run licenses
+
+      - name: License Check
+        run: npm run licenses
+
       - name: Test
         run: npm test
+
+      # TODO: This was disabled in the original DOI repo. Much of the code here
+      # is pretty out of date, so it is nowhere near passing a security audit,
+      # but it would be good to fix that and re-enable this.
+      # 
       # - name: Check for security vulnerabilities
       #   run: npm audit --production
-      - name: Upload Artifact
-        uses: actions/upload-artifact@v4
+
+      - name: Upload static files as artifact
+        id: deployment
+        uses: actions/upload-pages-artifact@v3
         with:
-          name: J40Static
-          # Upload-artifact does not support the default working directory
-          # See more: https://github.com/actions/upload-artifact/issues/87
           path: ./client/public
+
   deploy:
     runs-on: ubuntu-latest
     needs: build
-    environment: Staging
+    permissions:
+      pages: write
+      id-token: write
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
     steps:
-      - name: Checkout source
-        uses: actions/checkout@v4
-      - name: Download Artifacts
-        uses: actions/download-artifact@v4
-        with:
-          name: J40Static
-          path: ./public
-      - name: Set DESTINATION_FOLDER for main
-        run: |
-          echo "DESTINATION_FOLDER=main" >> $GITHUB_ENV
-      - name: Configure AWS Credentials
-        uses: aws-actions/configure-aws-credentials@v4
-        with:
-          aws-access-key-id: ${{ secrets.CLIENT_DEV_AWS_ACCESS_KEY_ID }}
-          aws-secret-access-key: ${{ secrets.CLIENT_DEV_AWS_SECRET_ACCESS_KEY }}
-          aws-region: us-east-1
-      - name: Deploy to Geoplatform AWS
-        run: aws s3 sync ./public/ s3://${{secrets.S3_WEBSITE_BUCKET}}/justice40-tool/${{env.DESTINATION_FOLDER}} --delete
-      - name: Invalidate cache on AWS CDNs
-        uses: chetan/invalidate-cloudfront-action@master
-        env:
-          DISTRIBUTION: ${{secrets.WEB_CDN_ID}}
-          PATHS: "/*"
-          AWS_REGION: "us-east-1"
-          AWS_ACCESS_KEY_ID: ${{ secrets.CLIENT_DEV_AWS_ACCESS_KEY_ID }}
-          AWS_SECRET_ACCESS_KEY: ${{ secrets.CLIENT_DEV_AWS_SECRET_ACCESS_KEY }}
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4