Create docker-image.yml Action

.github/workflows/docker-image.yml

@@ -0,0 +1,29 @@
+name: Docker Image CI
+
+on:
+  push:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+
+    - name: Login to Docker Hub
+      uses: docker/login-action@v2
+      with:
+        username: ${{ secrets.DOCKERHUB_USERNAME }}
+        password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+    - name: Build and push
+      uses: docker/build-push-action@v4
+      with:
+        context: .
+        file: ./Dockerfile
+        push: true
+        tags: |
+          ${{ secrets.DOCKERHUB_USERNAME }}/kotlincrud-postgres:$(date +%s)
+          ${{ secrets.DOCKERHUB_USERNAME }}/kotlincrud-postgres:latest