Add file to build images

.github/workflows/main.yml

@@ -0,0 +1,69 @@
+# Build image to GitHub Packages
+
+name: Building Docker containers
+
+# Triggers the workflow on push events
+on:
+  push:
+    paths-ignore:
+      - 'ansible/**'
+      - 'kubernetes/**'
+      - 'nginx/**'
+      - 'terraform/**'
+
+jobs:
+  initial-notification:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Initial notification
+        uses: rtCamp/action-slack-notify@12e36fc18b0689399306c2e0b3e0f2978b7f1ee7
+        env:
+          SLACK_MESSAGE: 'Publishing image to GitHub Packages'
+          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
+          MSG_MINIMAL: true
+
+  push-image-to-github:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@507c2f2dc502c992ad446e3d7a5dfbe311567a96
+        with:
+          images: ghcr.io/${{ github.repository }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
+        with:
+          context: .
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+  final-notification:
+    runs-on: ubuntu-latest
+    needs: [push_image_to_dockerhub, push_image_to_github]
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Final notification
+        uses: rtCamp/action-slack-notify@12e36fc18b0689399306c2e0b3e0f2978b7f1ee7
+        env:
+          SLACK_MESSAGE: 'New image pushed to GitHub Packages'
+          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
+          MSG_MINIMAL: true