diff --git a/.github/workflows/bi-transfer_pola_backend_to_bq.yml b/.github/workflows/bi-transfer_pola_backend_to_bq.yml
index b8d0746164b..2f1237e464c 100644
--- a/.github/workflows/bi-transfer_pola_backend_to_bq.yml
+++ b/.github/workflows/bi-transfer_pola_backend_to_bq.yml
@@ -29,18 +29,17 @@ env:
   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
   GCP_PROJECT_ID: pola-bi-looker
-  GCP_PROJECT_NUMBER: 354540873199
+  GCP_PROJECT_NUMBER: "354540873199"
   GCP_REGION: europe-west3
   GCP_BUCKET_NAME: pola-app_pola-backend_postgres_csv-files
   GCP_IDENTITY_POOL: github
   GCP_IDENTITY_PROVIDER: pola-backend-repo
 
+  HEROKU_API_KEY: ${{ secrets.HEROKU_API_KEY }}
 jobs:
   deploy-bi:
     name: "Transfer PostgresSQL to BQ"
     runs-on: ubuntu-latest
-    env:
-      HEROKU_API_KEY: ${{ secrets.HEROKU_API_KEY }}
     steps:
       - name: Set dynamic job variable
         shell: python
@@ -88,12 +87,21 @@ jobs:
           export_environment_variables: true
           create_credentials_file: true
       - name: 'Set up Cloud SDK'
-        uses: 'google-github-actions/setup-gcloud@v2'
+        uses: 'google-github-actions/setup-gcloud@v2'      
+      - name: 'Use gcloud CLI'
+        run: 'gcloud info'
+      - name: 'Use gcloud CLI'
+        run: 'gcloud auth list --filter=status:ACTIVE --format="value(account)"'
+      - name: 'Use gcloud CLI'
+        run: 'gcloud auth list'
+      
+      # - name: Debug OIDC Claims
+      #   uses: 'github/actions-oidc-debugger@main'
+      #   with:
+      #     audience: 'https://github.com/github'
       - name: Install Heroku CLI
         run: |
           curl https://cli-assets.heroku.com/install.sh | sh
-        env:
-          HEROKU_API_KEY: ${{ secrets.HEROKU_API_KEY }}
       - name: Retrieve PostgreSQL credentials
         run: |
           DATABASE_URL=$(heroku config:get DATABASE_URL --app "${HEROKU_APP}")
@@ -103,37 +111,67 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: '3.9'
+      - name: Copy file to bucket
+        run: |
+          set -x;
+          date | gcloud storage cp - "gs://${GCP_BUCKET_NAME}/date.txt"
+          gcloud storage cat "gs://${GCP_BUCKET_NAME}/date.txt"
+          gcloud storage ls "gs://${GCP_BUCKET_NAME}/"
       - name: "Install dependencies"
         run: pip install google-cloud-bigquery google-cloud-storage psycopg2-binary
       - name: Run transfer script
         env:
           TABLE_NAMES: |
-             ai_pics_aiattachment,
-             ai_pics_aipics,
-             bi_companies_by_query_group,
-             bi_companies_with_count_group,
-             bi_new_product_by_hour,
-             bi_popular_not_verified_products,
-             bi_product_by_time,
-             bi_queries_by_time,
-             bi_queries_stats_intervals,
-             bi_stats_queries_uq_users_by_week,
-             company_brand,
-             company_company,
-             gpc_brick,
-             gpc_class,
-             gpc_family,
-             gpc_segment,
-             pola_query,
-             pola_searchquery,
-             pola_stats,
-             product_product,
-             report_attachment,
-             report_report,
-             users_user
+            ai_pics_aiattachment
         run: |
           python ./pola-bi/postgres_to_bigquery.py --verbose all \
             --database-url "${DATABASE_URL}" \
             --table-names "${TABLE_NAMES}" \
             --staging-url "gs://${GCP_BUCKET_NAME}/" \
-            --dataset-id "${GCP_BIGQUERY_DATASET}" \
+            --dataset-id "${GCP_BIGQUERY_DATASET}"
+      - name: Set up GoLang
+        uses: actions/setup-go@v3
+        with:
+          go-version: "1.21"
+          cache: false
+
+      - name: "Checkout"
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
+          repository: slingdata-io/sling-cli
+          path: sling
+          ref: bigquery-openid
+
+      - run: |
+          cd sling
+          go mod edit -dropreplace='github.com/flarco/g' go.mod
+          go mod edit -dropreplace='github.com/slingdata-io/sling' go.mod
+          go mod edit -droprequire='github.com/slingdata-io/sling' go.mod
+          go mod tidy
+          go get -u golang.org/x/oauth2
+          go get -u cloud.google.com/go
+          go get -u cloud.google.com/go/bigquery
+          go get -u cloud.google.com/go/bigtable
+          go get -u cloud.google.com/go/storage
+          go build -o /usr/local/bin/sling cmd/sling/*.go
+          cd ..
+
+      - name: Run transfer script
+        run: |
+          set -x;
+          sling conns set MY_BIGQUERY \
+            type=bigquery \
+            project="${GCP_PROJECT_ID}" \
+            dataset="${GCP_BIGQUERY_DATASET}" \
+            gc_bucket="${GCP_BUCKET_NAME}" \
+            location="${GCP_REGION}"
+          sling conns test MY_BIGQUERY
+          export "MY_POSTGRES=${DATABASE_URL}"
+          sling conns test MY_POSTGRES
+
+# TODO: Run replication
+#          export "GOOGLE_APPLICATION_CREDENTIALS=$(./scripts/gcloud_generate_temp_creds.sh)"
+#          gcloud storage ls "gs://${GCP_BUCKET_NAME}/"
+#          cat "$(./scripts/gcloud_generate_temp_creds.sh)"
+#          export "GOOGLE_APPLICATION_CREDENTIALS=$(./scripts/gcloud_generate_temp_creds.sh)"
diff --git a/pola-bi/sling-data/replication.yaml b/pola-bi/sling-data/replication.yaml
new file mode 100644
index 00000000000..4979a36bd65
--- /dev/null
+++ b/pola-bi/sling-data/replication.yaml
@@ -0,0 +1,33 @@
+source: MY_POSTGRES
+target: MY_BIGQUERY
+
+defaults:
+  mode: full-refresh
+  object: '{target_schema}.raw__{stream_table}'
+  primary_key: [id]
+
+streams:
+  public.ai_pics_aiattachment:
+  public.ai_pics_aipics:
+  public.bi_*:
+    primary_key: []
+  public.company_brand:
+  public.company_company:
+  public.gpc_*:
+  public.pola_query:
+    mode: incremental
+    update_key: id
+  public.pola_searchquery:
+  public.pola_stats:
+  public.product_product:
+  public.report_attachment:
+  public.report_report:
+  public.users_user:
+    select: ["-password"]
+
+env:
+  # Adds the _sling_loaded_at timestamp column
+  SLING_LOADED_AT_COLUMN: true
+
+  # Allows create empty tables
+  SLING_ALLOW_EMPTY: TRUE
diff --git a/pola-bi/sling-data/run_local_sling.sh b/pola-bi/sling-data/run_local_sling.sh
new file mode 100755
index 00000000000..92eb393d988
--- /dev/null
+++ b/pola-bi/sling-data/run_local_sling.sh
@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+export MY_POSTGRES='postgresql://pola_app:pola_app@localhost:5432/pola_app?sslmode=disable'
+
+sling conns set MY_BIGQUERY \
+  type=bigquery \
+  project=pola-bi-looker \
+  dataset=pola_backend__local \
+  gc_bucket=pola-app_pola-backend_postgres_csv-files \
+  location=europe-west3
+
+sling  "${@}"
diff --git a/scripts/gcloud_generate_temp_creds.sh b/scripts/gcloud_generate_temp_creds.sh
new file mode 100755
index 00000000000..a130fc4cba9
--- /dev/null
+++ b/scripts/gcloud_generate_temp_creds.sh
@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+GCP_CREDENTIAL_FILE="$(mktemp -t gcp-credentials-XXXXXX).json"
+# Copy the credentials file to the temporary directory
+# Token refreshing SHOULD works, but it is not tested.
+
+jq -n \
+  --arg access_token "$(gcloud auth print-access-token)" \
+  --arg refresh_token "$(gcloud auth print-refresh-token || true)" \
+  --arg gcp_client_id "$(gcloud config get auth/client_id)" \
+  --arg gcp_client_secret "$(gcloud config get auth/client_secret)" \
+  '{
+  type: "authorized_user",
+  token: $access_token,
+  refresh_token: $refresh_token,
+  client_id: $gcp_client_id,
+  client_secret: $gcp_client_secret
+}' > "${GCP_CREDENTIAL_FILE}"
+
+echo "${GCP_CREDENTIAL_FILE}"