diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
new file mode 100644
index 0000000..74df2c6
--- /dev/null
+++ b/.github/workflows/build.yaml
@@ -0,0 +1,107 @@
+name: build
+on:
+#  pull_request:
+  workflow_call:
+jobs:
+  build-cicd-app:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20.x
+      - name: Install CDK dependencies
+        run: npm ci
+      - name: Build cloud assembly
+        run: npx cdk synth --app "npx ts-node --prefer-ts-exts bin/cicd.ts"
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: cicd-app-cloud-assembly
+          path: cdk.out
+  build-dns-app:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20.x
+      - name: Install CDK dependencies
+        run: npm ci
+      - name: Build cloud assembly
+        run: npx cdk synth --app "npx ts-node --prefer-ts-exts bin/dns.ts"
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: dns-app-cloud-assembly
+          path: cdk.out
+  build-domain-placeholder-app:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20.x
+      - name: Install CDK dependencies
+        run: npm ci
+      - name: Build cloud assembly
+        run: npx cdk synth --app "npx ts-node --prefer-ts-exts bin/domain-placeholder.ts"
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: domain-placeholder-app-cloud-assembly
+          path: cdk.out
+  build-log-redirect-app:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20.x
+      - name: Install CDK dependencies
+        run: npm ci
+      - name: Install Lambda dependencies
+        working-directory: ./lambda/log-redirect
+        run: npm ci
+      - name: Build cloud assembly
+        run: npx cdk synth --app "npx ts-node --prefer-ts-exts bin/log-redirect.ts"
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: log-redirect-app-cloud-assembly
+          path: cdk.out
+  build-prime-scout-app:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20.x
+      - name: Install CDK dependencies
+        run: npm ci
+      - name: Install Lambda dependencies
+        working-directory: ./lambda/prime-scout
+        run: npm ci
+      - name: Install frontend dependencies
+        working-directory: ./frontend/prime-scout
+        run: npm ci
+      - name: Build frontend
+        working-directory: ./frontend/prime-scout
+        run: npm run build
+      - name: Build cloud assembly
+        run: npx cdk synth --app "npx ts-node --prefer-ts-exts bin/prime-scout.ts"
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: prime-scout-app-cloud-assembly
+          path: cdk.out
\ No newline at end of file
diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
new file mode 100644
index 0000000..eb24ff1
--- /dev/null
+++ b/.github/workflows/deploy.yaml
@@ -0,0 +1,37 @@
+name: deploy
+on:
+  push:
+    branches:
+      - master
+      - add-cicd
+jobs:
+  build:
+    uses: ./.github/workflows/build.yaml
+  deploy-cicd-app:
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Download artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: cicd-app-cloud-assembly
+          path: cdk.out
+      - name: test
+        run: ls -al
+      - name: test
+        run: ls -al cdk.out
+      - name: Deploy CDK stack
+        run: npx cdk deploy --app cdk.out "*"
+
+#  deploy-dns-app:
+#    runs-on: ubuntu-latest
+#    steps:
+#  deploy-domain-placeholder-app:
+#    runs-on: ubuntu-latest
+#    steps:
+#  deploy-log-redirect-app:
+#    runs-on: ubuntu-latest
+#    steps:
+#  deploy-prime-scout-app:
+#    runs-on: ubuntu-latest
+#    steps:
\ No newline at end of file