Add optional Elasticsearch service (#88)

Makefile

@@ -11,7 +11,7 @@ build: ## Build the backend Docker image
 	docker compose build web
 
 start: ## Bring the backend Docker container up
-	docker compose up
+	docker compose up web
 
 stop: ## Stop the backend Docker container
 	docker compose stop

README.md

@@ -38,7 +38,7 @@ Once the build is complete:
 
 ```sh
 # 6. Start your containers and wait for them to finish their startup scripts.
-docker compose up
+docker compose up web
 ```
 
 You might see a message like this the first time you run your containers. This is normal because the frontend container has not finished building the assets for the Wagtail admin. Just wait a few seconds for the frontend container to finish building (you should see a message like `webpack compiled successfully in 15557 ms` and then stop and start your containers again (Ctrl+C + `docker compose up`).
@@ -306,3 +306,13 @@ You simply do the same operations to fork the Willow project and point your loca
 ## See also
 
 - [Vagrant Wagtail development](https://github.com/wagtail/vagrant-wagtail-develop)
+
+## Testing with Elasticsearch
+
+To test the Wagtail search with the [Elasticsearch backend](https://docs.wagtail.org/en/stable/topics/search/backends.html#elasticsearch-backend) or OpenSearch, use the additional service:
+
+```sh
+docker compose up web elastic
+```
+
+Then install any dependencies and configure Wagtail per the developer documentation, configuring the search backend to use `http://elastic:9200` as the URL.

compose.yaml

@@ -47,3 +47,13 @@ services:
     command: bash -c "echo 'Copying node_modules, this may take a few minutes...' && rsync -rah --info=progress2 /node_modules /code/wagtail/ && npm run start"
     restart: "no"
     tty: true
+
+  elastic:
+    container_name: elastic
+    image: elasticsearch:8.17.1
+    ports:
+      - "9200:9200"
+      - "9300:9300"
+    environment:
+      - xpack.security.enabled=false
+      - discovery.type=single-node