Update GitHub Actions workflow for Docker build

Author: Harsche

.github/workflows/blank.yml

@@ -0,0 +1,51 @@
+# This is a basic workflow to help you get started with Actions
+
+name: CI
+
+# Controls when the workflow will run
+on:
+  # Triggers the workflow on push or pull request events but only for the "main" branch
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - name: Checkout repository
+      - uses: actions/checkout@v4
+
+      # Runs a single command using the runners shell
+      - name: Set up Docker Buildx
+      - uses: docker/setup-buildx-action@v3
+
+      # Runs a set of commands using the runners shell
+      - name: Build Docker Image
+        run: |
+          docker build . --file Dockerfile --tag gamecollection-api:$(echo $GITHUB_SHA | cut -c1-7)
+
+      - name: Log in to Docker Hub
+        # This step is commented out for now. Uncomment and configure
+        # if you want to push the image to a registry like Docker Hub.
+        # uses: docker/login-action@v3
+        # with:
+        #   username: ${{ secrets.DOCKER_USERNAME }}
+        #   password: ${{ secrets.DOCKER_PASSWORD }}
+      
+      - name: Push Docker Image
+        # This step is also commented out. Uncomment to push the image.
+        # run: docker push gamecollection-api:$(echo $GITHUB_SHA | cut -c1-7)
+      
+      - name: List built images
+        run: docker images