Update docker-test-3.yml

Author: nickevansuk

.github/workflows/docker-test-3.yml

@@ -8,6 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     container:
       image: mcr.microsoft.com/dotnet/sdk:3.1
+      options: --network-alias booking.system --port 5001:5001
     strategy:
       fail-fast: false
       matrix:
@@ -36,7 +37,7 @@ jobs:
       uses: openactive/openactive-test-suite@master
       with:
         NODE_CONFIG: |
-          {"ci": true, "broker": {"outputPath": "/github/workspace/output/", "datasetSiteUrl": "http://localhost:5001/openactive"}, "integrationTests": { "outputPath": "/github/workspace/output/", "conformanceCertificatePath": "/github/workspace/conformance/examples/${{ matrix.profile }}/${{ matrix.mode }}/", "useRandomOpportunities": ${{ matrix.mode == 'random' }}, "conformanceCertificateId": "https://certificates.reference-implementation.openactive.io/examples/${{ matrix.profile }}/${{ matrix.mode }}/" }}
+          {"ci": true, "broker": {"outputPath": "/github/workspace/output/", "datasetSiteUrl": "http://booking.system:5001/openactive"}, "integrationTests": { "outputPath": "/github/workspace/output/", "conformanceCertificatePath": "/github/workspace/conformance/examples/${{ matrix.profile }}/${{ matrix.mode }}/", "useRandomOpportunities": ${{ matrix.mode == 'random' }}, "conformanceCertificateId": "https://certificates.reference-implementation.openactive.io/examples/${{ matrix.profile }}/${{ matrix.mode }}/" }}
         NODE_ENV: .example.${{ matrix.profile }}
         NODE_APP_INSTANCE: ci