Reinstate build-and-push github workflow

Author: vpsx

.github/workflows/docker-image.yml

@@ -0,0 +1,34 @@
+name: Build and Push Docker Image
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+  workflow_dispatch:
+
+jobs:
+
+  build-and-push:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Log in to Docker Hub
+      uses: docker/login-action@v3
+      with:
+        username: ${{ secrets.DOCKERHUB_USERNAME }}
+        password: ${{ secrets.DOCKERHUB_TOKEN }}
+    - name: Extract metadata
+      id: meta
+      uses: docker/metadata-action@v5
+      with:
+        images: hicsail/damplab-ui
+    - name: Build and push Docker image
+      uses: docker/build-push-action@v6
+      with:
+        push: true
+        tags: ${{ steps.meta.outputs.tags }}
+        build-args: |
+          VITE_BACKEND=${{ secrets.VITE_BACKEND }}
+          VITE_KEYCLOAK_URL=${{ secrets.VITE_KEYCLOAK_URL }}
+          VITE_KEYCLOAK_REALM=${{ secrets.VITE_KEYCLOAK_REALM }}
+          VITE_KEYCLOAK_CLIENT_ID=${{ secrets.VITE_KEYCLOAK_CLIENT_ID }}