Add e2e tests (#84)

* add basic e2e tests

* add e2e to ci

* fix docker pull

* fix images in ci

* maybe this will help

* push latest on main for e2e

* fix e2e on main

* rename jobs

README.md

@@ -25,3 +25,13 @@ dotnet dev-certs https --format PEM --no-password -ep ~/.aspnet/https/kemkas.pem
 ```
 
 Later start the docker compose first and the project launch settings after the DB is up and running.
+
+## E2E with Docker Compose
+
+For a fully containerized end-to-end run (tagged backend image + freshly built frontend/e2e images):
+
+```shell
+docker compose -f docker-compose.e2e.yaml up --build --abort-on-container-exit --exit-code-from e2e e2e
+```
+
+Use `BACKEND_IMAGE` to select a specific backend tag, and note this compose stack auto-generates TLS certificates for the nginx proxy.