diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
new file mode 100644
index 0000000..0b5eeb8
--- /dev/null
+++ b/.github/workflows/docker-image.yml
@@ -0,0 +1,49 @@
+name: Docker Image CI
+
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Docker Login
+      uses: docker/login-action@v1
+      with:
+        username: ${{ secrets.DOCKER_USER }}
+        password: ${{ secrets.DOCKER_PASSWORD }}
+
+    - name: Docker meta
+      id: docker_meta
+      uses: docker/metadata-action@v4
+      with:
+        images: |
+          ${{ secrets.DOCKER_USER }}/number_anomaly_detector
+        flavor: |
+          latest=true
+        tags: |
+          type=sha
+    - name: Build and push
+      id: docker_build
+      uses: docker/build-push-action@v2
+      with:
+        context: .
+        file: Dockerfile
+        tags: ${{ steps.docker_meta.outputs.tags }}
+        labels: ${{ steps.docker_meta.outputs.labels }}
+        push: true
+
+    - name: Webhook to Slack
+      uses: 8398a7/action-slack@v3
+      with:
+        status: ${{ job.status }}
+        fields: repo,message
+      env:
+        SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }} # required
+      if: always() # Pick up events even if the job fails or is canceled.