diff --git a/.github/workflows/build-and-deploy.yml b/.github/workflows/build-and-deploy.yml
index 0d3f66373..0438333f4 100644
--- a/.github/workflows/build-and-deploy.yml
+++ b/.github/workflows/build-and-deploy.yml
@@ -31,20 +31,48 @@ jobs:
     env:
       VERBOSE: 0
       PYTHONUNBUFFERED: 1
-      DATA_AWS_S3_BUCKET: ${{ secrets.DATA_AWS_S3_BUCKET }}
-      DATA_AWS_CLOUDFRONT_DISTRIBUTION_ID: ${{ secrets.DATA_AWS_CLOUDFRONT_DISTRIBUTION_ID }}
-      AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
-      AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
-      AWS_DEFAULT_REGION: us-east-2
       GH_TOKEN: ${{ github.token }}
 
     steps:
+      - name: is_fork
+        id: is_fork
+        run: |
+          echo 'is_fork=${{ (github.event_name == 'pull_request') && (github.event.pull_request.head.repo.fork || ((github.event.pull_request.head.repo.full_name || github.event.pull_request.base.repo.full_name) == github.repository)) }}' >> $GITHUB_OUTPUT
+
+      - name: should_deploy
+        id: should_deploy
+        run: |
+          echo 'should_deploy=${{ github.ref == 'refs/heads/master' || github.ref == 'refs/heads/staging' || github.ref == 'refs/heads/release' }}' >> $GITHUB_OUTPUT
+
+      - name: is_release
+        id: is_release
+        run: |
+          echo 'is_release=${{ github.ref == 'refs/heads/release' }}' >> $GITHUB_OUTPUT
+
+      - name: "DEBUG"
+        run: |
+          set +x
+
+          echo is_fork=${{ steps.is_fork.outputs.is_fork }}
+          echo should_deploy=${{ steps.should_deploy.outputs.should_deploy }}
+          echo is_release=${{ steps.is_release.outputs.is_release }}
+
+          echo 'github.event_name =' ${{ github.event_name }}
+          echo 'github.event.pull_request.head.repo.fork =' ${{ github.event.pull_request.head.repo.fork }}
+          echo 'github.event.pull_request.head.repo.full_name =' ${{ github.event.pull_request.head.repo.full_name }}
+          echo 'github.event.pull_request.base.repo.full_name =' ${{ github.event.pull_request.base.repo.full_name }}
+          echo 'github.event.pull_request.head.repo.full_name || github.event.pull_request.base.repo.full_name =' ${{ github.event.pull_request.head.repo.full_name || github.event.pull_request.base.repo.full_name }}
+          echo '(github.event.pull_request.head.repo.full_name || github.event.pull_request.base.repo.full_name) == github.repository =' ${{ (github.event.pull_request.head.repo.full_name || github.event.pull_request.base.repo.full_name) == github.repository }}
+          echo 'github.event.pull_request.head.repo.fork || ((github.event.pull_request.head.repo.full_name || github.event.pull_request.base.repo.full_name) == github.repository) =' ${{ github.event_name == pull_request && (github.event.pull_request.head.repo.fork || ((github.event.pull_request.head.repo.full_name || github.event.pull_request.base.repo.full_name) == github.repository)) }}
+          echo 'github.repository =' ${{ github.repository }}
+          echo 'github.ref =' ${{ github.ref }}
+
       - name: "Checkout code"
         uses: actions/checkout@v4
         with:
           fetch-depth: 0 # Number of commits to fetch. 0 indicates all history for all branches and tags.
           fetch-tags: true # Whether to fetch tags, even if fetch-depth > 0.
-          ref: ${{ github.event.pull_request.head.ref || github.ref_name }}
+          ref: ${{ github.event.pull_request.head.ref || github.ref }}
 
       - name: "Install system dependencies"
         run: |
@@ -54,17 +82,13 @@ jobs:
         run: |
           pip3 install -r requirements.txt
 
-      - name: "Install awscli"
+      - name: "Rebuild datasets (fork)"
+        if: ${{ github.event.pull_request.head.repo.full_name != github.repository }}
         run: |
-          pushd /tmp >/dev/null
-            curl -fsSL "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
-            unzip -oqq awscliv2.zip
-            sudo ./aws/install --update
-          popd >/dev/null
-          aws --version
+          ./scripts/rebuild --input-dir 'data/' --output-dir 'data_output/' --no-pull
 
       - name: "Rebuild, commit and push datasets"
-        if: github.ref != 'refs/heads/release'
+        if: ${{ github.event.pull_request.head.repo.full_name == github.repository && github.ref != 'refs/heads/release' }}
         run: |
           git config --global user.email "${{ secrets.BOT_GIT_USER_EMAIL }}"
           git config --global user.name "${{ secrets.BOT_GIT_USER_NAME }}"
@@ -72,15 +96,31 @@ jobs:
           ./scripts/rebuild --input-dir 'data/' --output-dir 'data_output/' --push --repo="${GITHUB_REPOSITORY}"
 
       - name: "Rebuild, commit, push and make a release"
-        if: github.ref == 'refs/heads/release'
+        if: ${{ github.event.pull_request.head.repo.full_name == github.repository && github.ref == 'refs/heads/release' }}
         run: |
           git config --global user.email "${{ secrets.BOT_GIT_USER_EMAIL }}"
           git config --global user.name "${{ secrets.BOT_GIT_USER_NAME }}"
 
           ./scripts/rebuild --input-dir 'data/' --output-dir 'data_output/' --release --repo="${GITHUB_REPOSITORY}"
 
+      - name: "Install awscli"
+        if: ${{ github.event.pull_request.head.repo.full_name == github.repository && (github.ref == 'refs/heads/master' || github.ref == 'refs/heads/staging' || github.ref == 'refs/heads/release') }}
+        run: |
+          pushd /tmp >/dev/null
+            curl -fsSL "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
+            unzip -oqq awscliv2.zip
+            sudo ./aws/install --update
+          popd >/dev/null
+          aws --version
+
       - name: "Deploy dataset server"
-        if: ${{ endsWith(github.ref, '/master') || endsWith(github.ref, '/staging') || endsWith(github.ref, '/release') }}
+        if: ${{ github.event.pull_request.head.repo.full_name == github.repository && (github.ref == 'refs/heads/master' || github.ref == 'refs/heads/staging' || github.ref == 'refs/heads/release') }}
+        env:
+          DATA_AWS_S3_BUCKET: ${{ secrets.DATA_AWS_S3_BUCKET }}
+          DATA_AWS_CLOUDFRONT_DISTRIBUTION_ID: ${{ secrets.DATA_AWS_CLOUDFRONT_DISTRIBUTION_ID }}
+          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          AWS_DEFAULT_REGION: us-east-2
         run: |
           ./scripts/upload 'data_output/'