🐳 Adding a Docker hub push step

.github/workflows/docker-image1.yml

@@ -0,0 +1,21 @@
+name: Docker Image CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Build the Docker image
+      run: docker build . --file Dockerfile --tag my-image-name:$(date +%s)
+      
+    - uses: opspresso/action-docker@v0.3.9  
+    - name: Docker Push