feat: workflow for smtp monitoring

.github/workflows/main.yaml

@@ -0,0 +1,35 @@
+name: Container Build for smtp_imap_monitoring
+
+on:
+  push:
+    branches:
+      - "master"
+  schedule:
+      - cron: "0 2 * * 0"
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    environment:
+        name: prod
+    steps:
+      - uses: actions/checkout@v3
+      -
+        name: Checkout
+        uses: actions/checkout@v3
+      -
+        name: Login to Docker Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ secrets.REGISTRY }}
+          username: ${{ secrets.REGISTRY_USER }}
+          password: ${{ secrets.REGISTRY_PASS }}
+      -
+        name: build and push smtp_imap monitoring
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          file: Dockerfile.smtp_check
+          platforms: linux/amd64
+          push: true
+          tags: "${{ secrets.REGISTRY }}/atlantishq/smtp_imap_monitoring:latest"