Merge pull request #3 from gabriel20xx/copilot/create-github-workflow-file

Add GitHub Actions workflow to build and publish Docker image to Docker Hub

.github/workflows/docker-publish.yml

@@ -0,0 +1,37 @@
+name: Build and Publish Docker Image
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Log in to Docker Hub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v3
+        with:
+          username: ${{ vars.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v6
+        with:
+          context: ./CollabTableServer
+          file: ./CollabTableServer/Dockerfile
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: |
+            gabriel20xx/collabtable:latest
+            gabriel20xx/collabtable:${{ github.sha }}