first attempt to push to github container registry

Author: thiennamdinh

.github/workflows/docker.yml

@@ -2,14 +2,25 @@ name: Docker
 
 on:
   push:
-    branches: [ "main" ]
+    branches: [ "**" ]
   pull_request:
     branches: [ "main" ]
 
 jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - name: Login to Github registry
+      uses: docker/login-action@v2
+      with:
+        registry: ghcr.io
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+    - name: Checkout code
+      uses: actions/checkout@v4
     - name: Build Docker image
-      run: docker build . --file Dockerfile --tag journal-sdk:$(date +%s)
+      run: |
+        docker build . --file Dockerfile --tag journal-sdk:$(date +%s)
+    - name: Push Docker image
+      run: |
+        docker push ghcr.io/${{ github.repository }}/journal-sdk:latest