diff --git a/.github/workflows/pimcore-demo.yml b/.github/workflows/pimcore-demo.yml
new file mode 100644
index 00000000..8a1b2d39
--- /dev/null
+++ b/.github/workflows/pimcore-demo.yml
@@ -0,0 +1,91 @@
+name: Test Pimcore Demo
+
+on:
+    pull_request:
+        branches:
+            - "[0-9]+.[0-9]+"
+            - "[0-9]+.x"
+    push:
+        branches:
+            - "[0-9]+.[0-9]+"
+            - "[0-9]+.x"
+            - "*_actions"
+
+jobs:
+  test-pimcore-demo:
+    runs-on: ubuntu-latest
+    steps:
+    # Check out the repo in a sub-dir to see if it can serve as
+    # teplate for `composer create-project`
+    # See: https://github.com/actions/checkout#usage
+    - uses: actions/checkout@v2
+      with:
+        path: 'demo'
+
+    - name: Pull latest pimcore image
+      run: |
+        # Echo commands and terminate on first error
+        set -ex
+        
+        # Pull latest build of pimcore's image
+        docker pull docker.io/pimcore/pimcore:PHP8.1-fpm
+
+    - name: Create project from demo in latest pimcore environment
+      run: |
+        # Echo commands and terminate on first error
+        set -ex
+        
+        # Try creating a new project with composer using contents of this repo as the package.
+        # We execute composer within docker container to suttisfy platform requirements.
+        # The value of ´"url":` must match checkout path in the first step.
+        #
+        # See: https://getcomposer.org/doc/03-cli.md#create-project
+        # See: https://getcomposer.org/doc/05-repositories.md#path
+        docker run \
+          --volume=${{ github.workspace }}/:/test/ \
+          --workdir=/test/ \
+          --user=$(id -u):$(id -g) \
+          docker.io/pimcore/pimcore:PHP8.1-fpm \
+            composer create-project \
+              pimcore/demo:@dev \
+              --repository='{"type": "path", "url": "./demo"}' \
+              sample-project
+
+    - name: Smoke-test compose file
+      run: |
+        # Echo commands and terminate on first error
+        set -ex
+        
+        # Check (lint) the compose file
+        docker-compose -v
+        cd sample-project/
+        docker-compose config
+
+    - name: Test pimcore installation
+      run: |
+        # Echo commands and terminate on first error
+        set -ex
+
+        cd sample-project/
+
+        # Start containers
+        docker-compose pull --quiet
+        docker-compose up -d
+
+        # Install dockerize into the php-fpm container. We need it to block until
+        # database is ready to serve connections.
+        docker-compose exec -T -- php-fpm bash -c '\
+          curl -sfL https://github.com/powerman/dockerize/releases/download/v0.11.5/dockerize-`uname -s`-`uname -m` \
+          | install /dev/stdin /usr/local/bin/dockerize'
+
+        # Wait for the database to set up.
+        docker-compose exec -T -- php-fpm dockerize -wait tcp://db:3306 -timeout 5m
+
+        # Run pimcore installation.
+        docker-compose exec -T \
+        -e PIMCORE_INSTALL_ADMIN_USERNAME=pimcore \
+        -e PIMCORE_INSTALL_ADMIN_PASSWORD=pimcore \
+        -e PIMCORE_INSTALL_MYSQL_USERNAME=pimcore \
+        -e PIMCORE_INSTALL_MYSQL_PASSWORD=pimcore \
+        -- \
+        php-fpm vendor/bin/pimcore-install -n --mysql-host-socket=db --mysql-database=pimcore