Tooling: Add hugo exampleSite build to CI

This will use the latest version of `go` and `hugo` to force any
breaks to happen as early as possible.

Author: nginx-jack

.github/workflows/hugo-build-test.yml

@@ -0,0 +1,31 @@
+name: Hugo Build Test
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-24.04
+
+    steps:
+      - name: Checkout docs content
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.7.1
+        with:
+          fetch-depth: 0 # This is required for hugo Lastmod to function properly
+
+        ### Hugo builds
+
+      - name: Setup Go
+        uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v5.0.2
+        with:
+          go-version: 'latest'
+
+      - name: Setup Hugo
+        uses: peaceiris/actions-hugo@75d2e84710de30f6ff7268e08f310b60ef14033f # v3.0.0
+        with:
+          hugo-version: 'latest'
+          extended: true
+
+      - name: Build Hugo
+        run: |
+          make build-example-site

Makefile

@@ -13,7 +13,7 @@ list help::
 	@echo "		   biome-all:		Runs both the lint and formatting commands."
 	@echo "  (Set BIOME_ARGS to add additional arguments to biome command (ex: make biome-all BIOME_ARGS=write))"
 
-.PHONY: biome-format biome-lint biome-all setup-pre-commit
+.PHONY: biome-format biome-lint biome-all setup-pre-commit build-example-site
 BIOME_ARGS ?= 
 FLAG :=
 ifeq ($(BIOME_ARGS), write)
@@ -36,3 +36,6 @@ setup-pre-commit:
 		pre-commit install --hook-type commit-msg; \
 		echo "pre-commit hooks have been successfully installed."; \
 	fi
+
+build-example-site:
+	cd exampleSite && hugo mod get && hugo build --gc -e production

biome.json

@@ -22,7 +22,9 @@
       "**/coveo.css",
       "**/f5-hugo.css",
       "**/highlight.css",
-      "**/*-overrides.css"
+      "**/*-overrides.css",
+
+      "exampleSite"
     ]
   },
   "formatter": {

exampleSite/go.mod

@@ -1,7 +1,7 @@
 module github.com/nginxinc/docs
 
-go 1.19
+go 1.23
 
-require github.com/nginxinc/nginx-hugo-theme v0.41.22 // indirect
+require github.com/nginxinc/nginx-hugo-theme v0.41.27 // indirect
 
 replace github.com/nginxinc/nginx-hugo-theme => ../