Docs: updated cmd to build docs locally to generate docs prior to building site. (#28371)

* added instructions so we generate docs prior to building them.

* replaced ci script.

* improved according to feedback.

.gitignore

@@ -118,3 +118,6 @@ compilation-stats.json
 
 # report dumping the whole system env
 /report.*.json
+
+# auto generated front end docs
+/docs/sources/packages_api/*

docs/Makefile

@@ -1,14 +1,23 @@
-.PHONY: docs docs-test
+.PHONY: docs docs-test docs-no-pull docs-generate-frontend docs-no-generate-frontend
 
 IMAGE = grafana/docs-base:latest
 
-docs:
-	docker pull ${IMAGE}
+docs-generate-frontend:
+	yarn install --pure-lockfile
+	yarn run packages:build
+	yarn run packages:docsExtract
+	yarn run packages:docsToMarkdown
+	yarn run packages:clean
+
+docs-no-generate-frontend:
 	docker run -v $(shell pwd)/sources:/hugo/content/docs/grafana/latest -p 3002:3002 --rm -it $(IMAGE) /bin/bash -c 'make server'
 
-docs-no-pull:
+docs: docs-generate-frontend
+	docker pull $(IMAGE)
 	docker run -v $(shell pwd)/sources:/hugo/content/docs/grafana/latest -p 3002:3002 --rm -it $(IMAGE) /bin/bash -c 'make server'
 
-docs-test:
-	docker pull ${IMAGE}
+docs-no-pull: docs-generate-frontend docs-no-generate-frontend
+
+docs-test: docs-generate-frontend
+	docker pull $(IMAGE)
 	docker run -v $(shell pwd)/sources:/hugo/content/docs/grafana/latest --rm -it $(IMAGE) /bin/bash -c 'make prod'

docs/README.md

@@ -5,6 +5,7 @@ When you contribute to documentation, it is a good practice to build the docs on
 ## Requirements
 
 Docker >= 2.1.0.3
+Yarn >= 1.22.4
 
 ## Build the doc site