fix(docker): Repair the docker setup

The docker setup is broken since the config migration and other changes.
This also adds a health check of the container at the default port 8082.
This also removes the old config migration notice. The notice is not necessary anymore for the next release.

.github/workflows/docker-build-and-test.yml

@@ -27,6 +27,8 @@ jobs:
     runs-on: ubuntu-latest
     needs:
       - prepare_environment
+    outputs:
+      docker_image_id: ${{ steps.docker_build.outputs.imageid }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -67,6 +69,7 @@ jobs:
               "/home/runner/.m2": "/root/.m2"
             }
       - name: Build image for platforms ${{ needs.prepare_environment.outputs.build_platforms }}
+        id: docker_build
         uses: docker/build-push-action@v6
         with:
           context: .
@@ -154,7 +157,7 @@ jobs:
         with:
           path: |
             ors-docker/graphs
-          key: ${{ runner.os }}-ors-test-scenarios-builder-images-${{ matrix.platform }}-${{ steps.docker_build.outputs.imageid }}
+          key: ${{ runner.os }}-ors-test-scenarios-builder-images-${{ matrix.platform }}-${{ needs.build_docker_images.outputs.docker_image_id }}
       - name: Start container from previously build image and wait for successful checks
         run: |
           mkdir -p $(pwd)/ors-docker/graphs $(pwd)/ors-docker/config $(pwd)/ors-docker/elevation_cache