Use base hugo image

Dockerfile

@@ -2,18 +2,7 @@
 ## Step 1 - add content and build with Hugo
 ##
 
-FROM debian:stretch as hugo
-RUN apt-get -qq update \
-	&& DEBIAN_FRONTEND=noninteractive apt-get -qq install -y --no-install-recommends python-pygments git ca-certificates ruby \
-	&& rm -rf /var/lib/apt/lists/* \
-	&& gem install asciidoctor pygments.rb
-
-ENV HUGO_VERSION 0.54.0
-ENV HUGO_BINARY hugo_extended_${HUGO_VERSION}_Linux-64bit.deb
-
-ADD https://github.com/gohugoio/hugo/releases/download/v${HUGO_VERSION}/${HUGO_BINARY} /tmp/hugo.deb
-RUN dpkg -i /tmp/hugo.deb \
-	&& rm /tmp/hugo.deb
+FROM r.c5h.io/hugo as hugo
 
 ADD . /tmp/site
 RUN hugo -b https://kb.chameth.com/ -v -s /tmp/site -d /tmp/hugo && \

themes/book/layouts/partials/docs/shared.html

@@ -1,12 +1,14 @@
 {{/*These templates contains some more complex logic and shared between partials*/}}
 {{- define "title" -}}
-  {{- if .Pages -}}
-    {{ $sections := split (trim .Dir "/") "/" }}
-    {{ $title := index ($sections | last 1) 0 | humanize | title }}
-    {{- default $title .Title -}}
-  {{- else -}}
-    {{ $title :=  .File | humanize | title }}
-    {{- default $title .Title -}}
+  {{- if .File -}}
+    {{- if .Pages -}}
+      {{ $sections := split (trim .File.Dir "/") "/" }}
+      {{ $title := index ($sections | last 1) 0 | humanize | title }}
+      {{- default $title .Title -}}
+    {{- else -}}
+      {{ $title := .File.BaseFileName | humanize | title }}
+      {{- default $title .Title -}}
+    {{- end -}}
   {{- end -}}
 {{- end -}}
 
@@ -23,4 +25,4 @@
       color: {{ default "#004ed0" .Site.Params.BookMenuBundleActiveLinkColor }};
   }
   </style>
-{{- end -}}
+{{- end -}}