diff --git a/.github/workflows/declarative-release-action.yml b/.github/workflows/declarative-release-action.yml
new file mode 100644
index 0000000..fce55ab
--- /dev/null
+++ b/.github/workflows/declarative-release-action.yml
@@ -0,0 +1,93 @@
+name: Declarative rollout using bytebase-action image
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - "schema/*.sql"
+
+# cancel previous workflow run if a new workflow run is triggered
+# to prevent multiple rollout
+concurrency:
+  group: ${{ github.workflow }}
+  cancel-in-progress: true
+
+env:
+  BYTEBASE_URL: https://demo.bytebase.com
+  BYTEBASE_SERVICE_ACCOUNT: api@service.bytebase.com
+  BYTEBASE_SERVICE_ACCOUNT_SECRET: ${{ secrets.BYTEBASE_SERVICE_ACCOUNT_SECRET }}
+  BYTEBASE_PROJECT: "projects/hr"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Build app and upload
+        run: |
+          echo "Building..."
+          echo "Build done!"
+          echo "Uploading..."
+          echo "Upload done!"
+  create-rollout:
+    needs: build
+    runs-on: ubuntu-latest # use self-hosted machines if your Bytebase runs in internal networks.
+    container:
+      image: bytebase/bytebase-action:latest
+    outputs:
+      bytebase-plan: ${{ steps.set-output.outputs.plan }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Roll out database change
+        env:
+          BYTEBASE_TARGETS: "instances/test-sample-instance/databases/hr_test,instances/prod-sample-instance/databases/hr_prod"
+          FILE_PATTERN: "schema/*.sql"
+          BYTEBASE_OUTPUT: ${{ runner.temp }}/bytebase-metadata.json
+        run: |
+          bytebase-action rollout --url=${{ env.BYTEBASE_URL }} --service-account=${{ env.BYTEBASE_SERVICE_ACCOUNT }} --service-account-secret=${{ env.BYTEBASE_SERVICE_ACCOUNT_SECRET }} --project=${{ env.BYTEBASE_PROJECT }} --file-pattern=${{ env.FILE_PATTERN }} --targets=${{ env.BYTEBASE_TARGETS }} --declarative --output=${{ env.BYTEBASE_OUTPUT }}
+      - name: Set output
+        id: set-output
+        run: |
+          PLAN=$(jq -r .plan ${{ runner.temp }}/bytebase-metadata.json)
+          echo "plan=$PLAN" >> $GITHUB_OUTPUT
+  deploy-to-test:
+    needs: create-rollout
+    runs-on: ubuntu-latest # use self-hosted machines if your Bytebase runs in internal networks.
+    environment: test
+    container:
+      image: bytebase/bytebase-action:latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Roll out database change
+        env:
+          BYTEBASE_TARGET_STAGE: environments/test
+        run: |
+          bytebase-action rollout --url=${{ env.BYTEBASE_URL }} --service-account=${{ env.BYTEBASE_SERVICE_ACCOUNT }} --service-account-secret=${{ env.BYTEBASE_SERVICE_ACCOUNT_SECRET }} --project=${{ env.BYTEBASE_PROJECT }} --target-stage=${{ env.BYTEBASE_TARGET_STAGE }}  --plan=${{ needs.create-rollout.outputs.bytebase-plan }}
+      - name: Deploy app
+        run: |
+          echo "Deploying app to test environment..."
+          echo "Deploy app to test environment done!"
+  deploy-to-prod:
+    needs: 
+      - deploy-to-test
+      - create-rollout
+    runs-on: ubuntu-latest
+    environment: prod
+    container:
+      image: bytebase/bytebase-action:latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: rollout
+        env:
+          BYTEBASE_TARGET_STAGE: environments/prod
+        run: |
+          bytebase-action rollout --url=${{ env.BYTEBASE_URL }} --service-account=${{ env.BYTEBASE_SERVICE_ACCOUNT }} --service-account-secret=${{ env.BYTEBASE_SERVICE_ACCOUNT_SECRET }} --project=${{ env.BYTEBASE_PROJECT }} --target-stage=${{ env.BYTEBASE_TARGET_STAGE }}  --plan=${{ needs.create-rollout.outputs.bytebase-plan }}
+      - name: Deploy app
+        run: |
+          echo "Deploying app to prod environment..."
+          echo "Deploy app to prod environment done!"
diff --git a/schema/schema.sql b/schema/schema.sql
new file mode 100644
index 0000000..98d0a02
--- /dev/null
+++ b/schema/schema.sql
@@ -0,0 +1,120 @@
+CREATE TABLE public.employee (
+	emp_no      SERIAL NOT NULL,
+	birth_date  DATE NOT NULL,
+	first_name  TEXT NOT NULL,
+	last_name   TEXT NOT NULL,
+	gender      TEXT NOT NULL CHECK (gender IN('M', 'F')) NOT NULL,
+	hire_date   DATE NOT NULL,
+	PRIMARY KEY (emp_no)
+);
+
+CREATE INDEX idx_employee_hire_date ON public.employee (hire_date);
+
+CREATE TABLE public.department (
+	dept_no     TEXT NOT NULL,
+	dept_name   TEXT NOT NULL,
+	PRIMARY KEY (dept_no),
+	UNIQUE      (dept_name)
+);
+
+CREATE TABLE public.dept_manager (
+	emp_no      INT NOT NULL,
+	dept_no     TEXT NOT NULL,
+	from_date   DATE NOT NULL,
+	to_date     DATE NOT NULL,
+	FOREIGN KEY (emp_no) REFERENCES employee (emp_no) ON DELETE CASCADE,
+	FOREIGN KEY (dept_no) REFERENCES department (dept_no) ON DELETE CASCADE,
+	PRIMARY KEY (emp_no, dept_no)
+);
+
+CREATE TABLE public.dept_emp (
+	emp_no      INT NOT NULL,
+	dept_no     TEXT NOT NULL,
+	from_date   DATE NOT NULL,
+	to_date     DATE NOT NULL,
+	FOREIGN KEY (emp_no) REFERENCES employee (emp_no) ON DELETE CASCADE,
+	FOREIGN KEY (dept_no) REFERENCES department (dept_no) ON DELETE CASCADE,
+	PRIMARY KEY (emp_no, dept_no)
+);
+
+CREATE TABLE public.title (
+	emp_no      INT NOT NULL,
+	title       TEXT NOT NULL,
+	from_date   DATE NOT NULL,
+	to_date     DATE,
+	FOREIGN KEY (emp_no) REFERENCES employee (emp_no) ON DELETE CASCADE,
+	PRIMARY KEY (emp_no, title, from_date)
+); 
+
+CREATE TABLE public.salary (
+	emp_no      INT NOT NULL,
+	amount      INT NOT NULL,
+	from_date   DATE NOT NULL,
+	to_date     DATE NOT NULL,
+	FOREIGN KEY (emp_no) REFERENCES employee (emp_no) ON DELETE CASCADE,
+	PRIMARY KEY (emp_no, from_date)
+);
+
+CREATE INDEX idx_salary_amount ON public.salary (amount);
+
+CREATE TABLE public.audit (
+    id SERIAL PRIMARY KEY,
+    operation TEXT NOT NULL,
+    query TEXT,
+    user_name TEXT NOT NULL,
+    changed_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE INDEX idx_audit_operation ON public.audit (operation);
+CREATE INDEX idx_audit_username ON public.audit (user_name);
+CREATE INDEX idx_audit_changed_at ON public.audit (changed_at);
+
+CREATE OR REPLACE FUNCTION public.log_dml_operations() RETURNS TRIGGER AS $$
+BEGIN
+    IF (TG_OP = 'INSERT') THEN
+        INSERT INTO public.audit (operation, query, user_name)
+        VALUES ('INSERT', current_query(), current_user);
+        RETURN NEW;
+    ELSIF (TG_OP = 'UPDATE') THEN
+        INSERT INTO public.audit (operation, query, user_name)
+        VALUES ('UPDATE', current_query(), current_user);
+        RETURN NEW;
+    ELSIF (TG_OP = 'DELETE') THEN
+        INSERT INTO public.audit (operation, query, user_name)
+        VALUES ('DELETE', current_query(), current_user);
+        RETURN OLD;
+    END IF;
+    RETURN NULL;
+END;
+$$ LANGUAGE plpgsql;
+
+-- only log update and delete, otherwise, it will cause too much change.
+CREATE TRIGGER salary_log_trigger
+AFTER UPDATE OR DELETE ON public.salary
+FOR EACH ROW
+EXECUTE FUNCTION public.log_dml_operations();
+
+CREATE OR REPLACE VIEW public.dept_emp_latest_date AS
+SELECT
+	emp_no,
+	MAX(
+		from_date) AS from_date,
+	MAX(
+		to_date) AS to_date
+FROM
+	public.dept_emp
+GROUP BY
+	emp_no;
+
+-- shows only the current department for each employee
+CREATE OR REPLACE VIEW public.current_dept_emp AS
+SELECT
+	l.emp_no,
+	dept_no,
+	l.from_date,
+	l.to_date
+FROM
+	public.dept_emp d
+	INNER JOIN public.dept_emp_latest_date l ON d.emp_no = l.emp_no
+		AND d.from_date = l.from_date
+		AND l.to_date = d.to_date;
diff --git a/schema/users.sql b/schema/users.sql
new file mode 100644
index 0000000..b66be12
--- /dev/null
+++ b/schema/users.sql
@@ -0,0 +1,5 @@
+CREATE TABLE public.users (
+    id SERIAL PRIMARY KEY,
+    name VARCHAR(255) NOT NULL,
+    email VARCHAR(255) NOT NULL UNIQUE
+);