chore: branch named PR deployment (#266)

* chore: add epic PR deployment step

* remove if

* if PR and starts with `epic-`

* chore: deploy epic PR branch

* chore: update job title

* chore: replace `dev` deployment for branch name deployment

.github/workflows/deploy.yml

@@ -1,4 +1,4 @@
-name: Deploy to dev/staging
+name: Deploy
 
 on:
   pull_request:
@@ -12,14 +12,26 @@ jobs:
     runs-on: ubuntu-latest
     permissions: write-all
 
-    name: Deploy to dev/staging
+    name: Deploy to S3
 
     steps:
       - name: Cancel previous runs
         uses: styfle/cancel-workflow-action@0.8.0
         with:
           access_token: ${{ github.token }}
 
+      # Post a PR comment before deploying
+      - name: Post a comment while building
+        if: github.event.number
+        uses: mshick/add-pr-comment@v2
+        with:
+          message-id: praul
+          message: |
+            ## Branch preview
+            ⏳ Deploying a preview site...
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          repo-token-user-login: 'github-actions[bot]'
+
       - uses: actions/checkout@v3
 
       - uses: ./.github/workflows/yarn
@@ -30,11 +42,10 @@ jobs:
           is-production: false
 
       - name: Configure AWS credentials
-        uses: aws-actions/configure-aws-credentials@v1
+        uses: aws-actions/configure-aws-credentials@v3
         with:
-          aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
-          aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-          aws-region: ${{ secrets.AWS_DEFAULT_REGION }}
+          role-to-assume: ${{ secrets.AWS_ROLE }}
+          aws-region: ${{ secrets.AWS_REGION }}
 
       # Deploy the main branch to staging
       - name: Deploy to the staging S3
@@ -43,24 +54,31 @@ jobs:
           BUCKET: s3://${{ secrets.AWS_STAGING_BUCKET_NAME }}/current
         run: bash ./scripts/github/s3_upload.sh
 
-      # Deploy all other branches to dev
-      - name: Deploy to the dev S3
-        if: github.ref != 'refs/heads/main'
+      # Extract branch name
+      - name: Extract branch name
+        shell: bash
+        ## Allow only alphanumeric characters and convert to lower case,
+        run: echo "branch=$(echo $GITHUB_HEAD_REF | sed 's/[^a-z0-9]/_/ig' | sed 's/[A-Z]/\L&/g')" >> $GITHUB_OUTPUT
+        id: extract_branch
+
+      # Deploy to S3
+      - name: Deploy PR branch
+        if: github.event.number
         env:
-          BUCKET: s3://${{ secrets.AWS_DEVELOPMENT_BUCKET_NAME }}
+          BUCKET: s3://${{ secrets.AWS_REVIEW_BUCKET_NAME }}/homepage/${{ steps.extract_branch.outputs.branch }}
         run: bash ./scripts/github/s3_upload.sh
 
-      # Comment
-      - name: Post a deployment link in the PR
+      # Comment with the deployment link
+      - name: Post an epic deployment link in the PR
         if: always() && github.event.number
         uses: mshick/add-pr-comment@v2
         with:
           message-id: praul
           message: |
             ## Branch preview
-            ✅  Deployed to dev:
+            ✅  Deployed successfully in branch deployment:
 
-            https://safe-web-landing.dev.5afe.dev
+            https://${{ steps.extract_branch.outputs.branch }}--homepage.review.5afe.dev
           message-failure: |
             ## Branch preview
             ❌  Deploy failed!