Add dagger machinery

.github/workflows/test.yaml

@@ -0,0 +1,20 @@
+name: test
+on:
+  push:
+    branches: [dagger]
+
+jobs:
+  build:
+    name: build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: "3.12"
+      - name: Install Dagger CLI
+        run: cd /usr/local && { curl -L https://dl.dagger.io/dagger/install.sh | sh; cd -; }
+      - name: Install Dagger SDK
+        run: pip install dagger-io
+      - name: Run Dagger pipeline
+        run: dagger run python CI.py

CI.py

@@ -0,0 +1,46 @@
+import sys
+
+import anyio
+import dagger
+
+
+async def test():
+    async with dagger.Connection(dagger.Config(log_output=sys.stderr)) as client:
+        source = client.host().directory(
+            ".", exclude=[".git", "node_modules", ".venv", "__ci__.py"]
+        )
+        redis = client.container().from_("redis:7").with_exposed_port(6379).as_service()
+
+        python = (
+            client.container()
+            .from_("python:3.12-slim")
+            .with_mounted_cache(
+                "/root/.cache", client.cache_volume("pycrdt-example-app-cache")
+            )
+            .with_service_binding("redis", redis)
+            .with_exec(
+                [
+                    "/bin/sh",
+                    "-c",
+                    "apt-get update && apt-get install --no-install-recommends -y build-essential",
+                ]
+            )
+            .with_exec(["pip", "install", "poetry"])
+            .with_workdir("/src")
+            .with_file("/src/poetry.lock", client.host().file("poetry.lock"))
+            .with_file("/src/pyproject.toml", client.host().file("pyproject.toml"))
+            .with_exec(["poetry", "install", "--only", "playwright"])
+            .with_exec(["poetry", "run", "playwright", "install-deps"])
+            .with_exec(["poetry", "run", "playwright", "install", "chromium"])
+            .with_directory("/src", source)
+            .with_exec(["poetry", "install", "--without", "playwright"])
+            .with_exec(["poetry", "run", "pytest"])
+        )
+
+        # execute
+        await python.sync()
+
+    print("Tests succeeded!")
+
+
+anyio.run(test)

README.md

@@ -2,17 +2,13 @@
 
 An example app illustrating how to use Litestar, yjs, and pycrdt together for collaborative editing.
 
-Give it a whirl by running:
+Assuming you have Docker installed, give it a whirl by running:
 
     $ docker-compose up
 
 Then open two different tabs and navigate to [http://127.0.0.1:8000](http://127.0.0.1:8000).
 
-Or run the tests that use [testcontainers](https://testcontainers-python.readthedocs.io/en/latest/README.html) and [Playwright](https://playwright.dev/python/docs/intro):
+Or run the tests using [Dagger](https://docs.dagger.io) and [Playwright](https://playwright.dev/python/docs/intro).
 
-    $ poetry install
-    $ poetry run playwright install-deps
-    $ poetry run playwright install
-    $ npm install
-    $ npx webpack --mode=development
-    $ poetry run pytest
+    $ pip install dagger-io
+    $ dagger run python CI.py