diff --git a/.forgejo/workflows/demo.yaml b/.forgejo/workflows/demo.yaml
new file mode 100644
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+++ b/.forgejo/workflows/demo.yaml
@@ -0,0 +1,53 @@
+name: Build and Test Flask App
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+    branches: [ main, master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    
+    steps:
+    - uses: actions/checkout@v4
+    
+    - name: Set up Python via apt
+      run: |
+        apt update
+        apt install -y python3 python3-pip python3-venv python3-dev python3-full
+            
+    - name: Create and activate virtual environment
+      run: |
+        python3 -m venv venv
+
+        . venv/bin/activate
+        pip install --upgrade pip
+
+        echo "VIRTUAL_ENV=$PWD/venv" >> $GITHUB_ENV
+        echo "$PWD/venv/bin" >> $GITHUB_PATH
+    
+    - name: Install dependencies
+      run: |
+        if [ -f dependencies.txt ]; then
+          pip install --no-cache-dir -r dependencies.txt
+        else
+          echo "dependencies.txt not found, installing Flask only"
+          pip install flask
+        fi
+        pip list
+
+    - name: Debug build - check imports
+      run: |
+        export FLASK_APP=app.py
+        export FLASK_ENV=development
+        flask run --host 0.0.0.0 --debug &
+
+    - name: Install release dependencies
+      run: |
+        pip install gunicorn
+    
+    - name: Release build (simulated)
+      run: |
+        gunicorn --check-config app:app