diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
new file mode 100644
index 0000000..40a6596
--- /dev/null
+++ b/.devcontainer/devcontainer.json
@@ -0,0 +1,4 @@
+{
+  "name": "SmartCache",
+  "image": "mcr.microsoft.com/devcontainers/php:8.4"
+}
diff --git a/.ona/config.yaml b/.ona/config.yaml
new file mode 100644
index 0000000..6e61c4f
--- /dev/null
+++ b/.ona/config.yaml
@@ -0,0 +1,18 @@
+tasks:
+  installDeps:
+    name: Install dependencies
+    description: Install the locked Composer dependencies for the project.
+    command: composer install --no-interaction --prefer-dist
+    triggeredBy:
+      - manual
+      - postDevcontainerStart
+      - prebuild
+
+  test:
+    name: Run tests
+    description: Run the PHPUnit test suite through the Composer script.
+    command: composer test
+    triggeredBy:
+      - manual
+    dependsOn:
+      - installDeps