ci(no-rest): optimize container ready check

- Check for `docker ps` to report exist service to be healthy.
- Move check to latest possible moment just before tests run.
- Mount empty volume to autodeploy to speed up initial start of exist.

.github/workflows/test-no-rest.yml

@@ -7,35 +7,32 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      # pull image 
-      - run: docker pull existdb/existdb:release
-      # create docker container
-      # --volume $(pwd)/empty:/exist/autodeploy:ro
+      - name: pull image 
+        run: docker pull existdb/existdb:release
       - name: create eXist-db Container
-        run: docker create --name exist --publish 8080:8080 --publish 8443:8443 existdb/existdb:release
-      # - name: Start eXist-db Container
-      #   run: docker start exist
-      # - name: Wait for eXist-db Startup
-      #   run: timeout 90 sh -c 'until nc -z $0 $1; do sleep 3; done' localhost 8080
-      # get web.xml (use prepared web.xml instead)
-      # - run: docker cp exist:exist/etc/webapp/WEB-INF/web.xml ./web.xml
-      # modify web.xml
-      # - run: cat web.xml | \
+        run: |
+          docker create --rm --name exist \
+              --publish 8080:8080 --publish 8443:8443 \
+              --volume ./empty:/exist/autodeploy:ro \
+              existdb/existdb:release
+      # - name: get web.xml from container (needs to have started before)
+      #   run: docker cp exist:exist/etc/webapp/WEB-INF/web.xml ./web.xml
+      # - name: modify web.xml
+      #   run: cat web.xml | \
           # tr '\n' '\r' | \
           # sed -E 's/(<param-name>hidden<\/param-name>\r[[:space:]]+<param-value>)false(<\/param-value>)/\1true\2/' | \
           # tr '\r' '\n' > modified-web.xml
       - name: Copy modified web.xml
         run: docker cp ./spec/fixtures/web-no-rest.xml exist:exist/etc/webapp/WEB-INF/web.xml
-      - name: Restart eXist-db Container
-        # run: docker stop exist && docker wait; docker start exist
+      - name: Start eXist-db Container
         run: docker start exist
-      - name: Wait for eXist-db Startup
-        run: timeout 90 sh -c 'until nc -z $0 $1; do sleep 3; done' localhost 8080
       - name: Use Node.js 20
         uses: actions/setup-node@v3
         with:
           node-version: 20
       - run: npm ci --no-optional
       - run: npm link
+      - name: Wait for container to be healthy
+        run: timeout 60s sh -c 'until docker ps | grep exist | grep -q healthy; do echo "Not ready yet."; sleep 2; done; echo "$(docker ps | grep exist)"'
       - run: npm run test:norest