Short app name precaution

Author: hillarysanders

.github/workflows/test.yml

@@ -41,18 +41,27 @@ jobs:
     env:
       HEROKU_API_KEY: ${{ secrets.HEROKU_API_KEY }}
       API_KEY: ci-test-key
-      # setting an $APP_NAME that will be unique even if folks choose to fork this repo --> avoids clashes.
-      APP_NAME: mcp-${{ github.repository_owner }}-${{ github.event.repository.name }}-pr-${{ github.event.number }}
       # also note that github CI doesn't have access to your app's config vars, so here we're setting the remote
       # server type to streamable HTTP. Folks using SSE would need to change this line for their e2e remote integration
       # tests to test SSE instead of streamable HTTP.
       REMOTE_SERVER_TRANSPORT_MODULE: streamable_http_server
+      # $APP_NAME is set below because we need to shorten the repo owner's name, as a precaution
 
     steps:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0  # <-- disables shallow clone, which heroku is upset by when running git push heroku later on
 
+      # Setting a short $APP_NAME that will be unique even if folks choose to fork this repo --> avoids clashes.
+      # Needs to be shortened if the github repo owner has a long name (max 30 char app name heroku limit).
+      - name: Generate short APP_NAME
+        id: appname
+        run: |
+          OWNER_SHORT=${GITHUB_REPOSITORY_OWNER:0:5}
+          APP_NAME="${OWNER_SHORT}-${GITHUB_REPOSITORY}-${GITHUB_EVENT_NUMBER}"
+          echo "APP_NAME=$APP_NAME"
+          echo "APP_NAME=$APP_NAME" >> $GITHUB_ENV
+
       - uses: actions/setup-python@v5
         with:
           python-version: "3.12" # this should align with this repo's .python-version file