Still no luck, try another approach with a new .env file based on the…

… one from make init.

.github/workflows/ci.yml

@@ -32,9 +32,13 @@ jobs:
           make test-doc
       - name: Build images
         run: |
-          echo "# NOTE: try absolute path to current dir to get docker ro-mount to work"
-          export "DOCKER_MIGRID_ROOT=$PWD"
           make init
+          echo "# NOTE: try absolute path to current dir to get docker ro-mount to work" > ci.env
+          echo "DOCKER_MIGRID_ROOT=$PWD" >> ci.env
+          echo "" >> ci.env
+          grep -v DOCKER_MIGRID_ROOT .env >> ci.env
+          rm -f .env
+          mv ci.env .env
           make dockerbuild
       - name: Start services
         run: |