diff --git a/.github/workflows/s3-cicd-dev.yml b/.github/workflows/s3-cicd-dev.yml
new file mode 100644
index 0000000..c573c6f
--- /dev/null
+++ b/.github/workflows/s3-cicd-dev.yml
@@ -0,0 +1,32 @@
+name: CICD-dev
+on: 
+  push:
+    branches:
+      - dev
+jobs:
+    build:
+      runs-on: ubuntu-latest
+      steps:
+        - uses: actions/checkout@v1
+
+        - name: Configure AWS Credentials
+          uses: aws-actions/configure-aws-credentials@v1
+          with:
+            aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
+            aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+            aws-region: us-east-1
+
+        - name: Use Node.js
+          uses: actions/setup-node@v1
+          with:
+            node-version: 12
+
+        - name: Install Gatsby
+          run: npm install -g gatsby-cli
+
+        - name: Build static site
+          run: npm install
+          run: gatsby build
+
+        - name: Deploy static site to S3 bucket
+          run: aws s3 sync ./public/ s3://${{ secrets.AWS_DEV_WEBSITE_BUCKET }} --delete
\ No newline at end of file
diff --git a/buildspec.yaml b/buildspec.yaml
deleted file mode 100644
index 5430691..0000000
--- a/buildspec.yaml
+++ /dev/null
@@ -1,26 +0,0 @@
-version: 0.2
-
-phases:
- install:
-   runtime-versions:
-       nodejs: 12
-   commands:
-     - echo "Installing Gatsby..."
-     - npm install -g gatsby-cli
- pre_build:
-   commands:
-     - echo "Installing Node packages..."
-     - npm install
- build:
-   commands:
-     - echo "Build initiated..."
-     - gatsby build
- post_build:
-   commands:
-     - echo "Synchronizing public directory..."
-     - aws s3 sync ./public/ s3://$PUBLIC_OUTPUT_BUCKET --delete
-
-artifacts:
- base-directory: public
- files:
-   - '**/*'