Add GitHub Actions CI/CD pipeline

.github/workflows/docker.yml

@@ -0,0 +1,33 @@
+name: Build and Push Docker Image
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  docker:
+
+    runs-on: ubuntu-latest
+
+    steps:
+
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Login to Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: registry.ghaymah.systems
+          username: ${{ secrets.REGISTRY_USERNAME }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+
+      - name: Build Docker Image
+        run: |
+          docker build \
+          -t registry.ghaymah.systems/${{ secrets.REGISTRY_USERNAME }}/ghaymah-sre-api:latest .
+
+      - name: Push Docker Image
+        run: |
+          docker push \
+          registry.ghaymah.systems/${{ secrets.REGISTRY_USERNAME }}/ghaymah-sre-api:latest