Update Dockerfile so it builds and runs (#17469)

* Update Dockerfile so it at least builds

* And get it running again!

* Update Dockerfile

* Create build-docker-image.yml

* Update build-docker-image.yml

* Update Dockerfile

* Update Dockerfile

* Delete build-docker-image.yml

.github/workflows/build-docker-image.yml

@@ -0,0 +1,23 @@
+# Make sure the Docker container still builds
+
+name: Build Docker image
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches-ignore:
+      - translations
+
+env:
+  CI: true
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repo
+        uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f
+      - name: Build the container
+        run: docker build .