Add hugo version check and theme update to Makefile (#6518)

Update README.md with correct make target behaviors
Add hugo-entrypoint to allow extra commands when docker starts
Update hugo theme version in go.mod
Use slimmer hugo docker image
Fix docs-ci, bump go version

Co-authored-by: Jim Ryan <[email protected]>

Author: nginx-jack

docs/Makefile

@@ -1,40 +1,41 @@
 HUGO?=hugo
-HUGO_IMG?=hugomods/hugo:0.134.1
+HUGO_VERSION?=$(shell hugo version 2>/dev/null | awk '{print $$2}' | cut -d '.' -f 2)
+HUGO_IMG?=hugomods/hugo:std-go-git-0.134.3
 
 THEME_MODULE = github.com/nginxinc/nginx-hugo-theme
-THEME_VERSION ?= $(shell curl -s https://api.github.com/repos/nginxinc/nginx-hugo-theme/releases/latest | jq -r ".tag_name")
 
-ifeq (, $(shell ${HUGO} version 2> /dev/null))
-ifeq (, $(shell docker version 2> /dev/null))
-    $(error Docker and Hugo are not installed. Hugo (<0.91) or Docker are required to build the local preview.)
+HUGO_CI=docker run --rm -v ${CURDIR}:/src ${HUGO_IMG} hugo
+
+ifeq ($(shell [ $(HUGO_VERSION) -gt 133 2>/dev/null ] && echo true || echo false), true)
+    $(info Hugo is available and has a version greater than 133. Proceeding with build.)
 else
-    HUGO=docker run --rm -it -v ${CURDIR}:/src -p 1313:1313 ${HUGO_IMG} hugo --bind 0.0.0.0 -p 1313
+    $(warning Hugo is not available or using a version less than 134. Attempting to use docker. HUGO_VERSION=$(HUGO_VERSION))
+    HUGO=docker run --rm -it -v ${CURDIR}:/src -p 1313:1313 ${HUGO_IMG} /src/hugo-entrypoint.sh
+    ifeq (, $(shell docker version 2> /dev/null))
+        $(error Hugo (>0.134) or Docker are required to build the local previews.)
+    endif
 endif
-endif
-
-HUGO_CI=docker run --rm -v ${CURDIR}:/src ${HUGO_IMG} hugo
 
 MARKDOWNLINT?=markdownlint
 MARKDOWNLINT_IMG?=ghcr.io/igorshubovych/markdownlint-cli:latest
 
 ifeq (, $(shell ${MARKDOWNLINT} version 2> /dev/null))
 ifeq (, $(shell docker version 2> /dev/null))
-    $(error Docker and markdownlint are not installed. markdownlint or Docker are required to lint.)
-endif
 else
     MARKDOWNLINT=docker run --rm -i -v ${CURDIR}:/src --workdir /src ${MARKDOWNLINT_IMG}
 endif
+endif
 
 MARKDOWNLINKCHECK?=markdown-link-check
 MARKDOWNLINKCHECK_IMG?=ghcr.io/tcort/markdown-link-check:stable
 
 ifeq (, $(shell ${MARKDOWNLINKCHECK} --version 2> /dev/null))
 ifeq (, $(shell docker version 2> /dev/null))
-    $(error Docker and markdown-link-check are not installed. markdown-link-check or Docker are required to check links.)
-endif
 else
-    MARKDOWNLINKCHECK=docker run --rm -it -v ${CURDIR}:/site --workdir /site ${MARKDOWNLINKCHECK_IMG}
+    MARKDOWNLINKCHECK=docker run --rm -it -v ${CURDIR}:/docs --workdir /docs ${MARKDOWNLINKCHECK_IMG}
 endif
+endif
+
 
 .PHONY: docs docs-draft docs-local clean hugo-get hugo-tidy lint-markdown link-check
 
@@ -51,11 +52,10 @@ drafts:
 	${HUGO} --bind 0.0.0.0 -p 1313 server -D --disableFastRender
 
 clean:
-	hugo mod clean
 	[ -d "public" ] && rm -rf "public"
 
 hugo-get:
-	hugo mod get $(THEME_MODULE)@$(THEME_VERSION)
+	hugo mod get -u github.com/nginxinc/nginx-hugo-theme
 
 hugo-tidy:
 	hugo mod tidy

docs/go.mod

@@ -1,5 +1,5 @@
 module github.com/nginxinc/kubernetes-ingress/docs
 
-go 1.19
+go 1.23
 
-require github.com/nginxinc/nginx-hugo-theme v0.41.17 // indirect
+require github.com/nginxinc/nginx-hugo-theme v0.41.19 // indirect

docs/go.sum

@@ -1,2 +1,2 @@
-github.com/nginxinc/nginx-hugo-theme v0.41.17 h1:KtF0TFQYXmVratjKVGEodWYFNbtxeOdrZLa9zi70BtA=
-github.com/nginxinc/nginx-hugo-theme v0.41.17/go.mod h1:DPNgSS5QYxkjH/BfH4uPDiTfODqWJ50NKZdorguom8M=
+github.com/nginxinc/nginx-hugo-theme v0.41.19 h1:CyZOhU8q0p3nQ+ZTFRx7c/Dq9rxV1mShADIHz0vDoHo=
+github.com/nginxinc/nginx-hugo-theme v0.41.19/go.mod h1:DPNgSS5QYxkjH/BfH4uPDiTfODqWJ50NKZdorguom8M=

docs/hugo-entrypoint.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+hugo mod get -u github.com/nginxinc/nginx-hugo-theme
+hugo $*