Hugo v0.93.2

https://github.com/jgm/pandoc/releases/tag/2.14

Dockerfile

@@ -1,14 +1,15 @@
 # the following version can be overridden at image build time with --build-arg
-ARG HUGO_VERSION=0.82.1
+ARG HUGO_VERSION=0.93.2
 # remove/comment the following line completely to compile vanilla Hugo:
 ARG HUGO_BUILD_TAGS=extended
 
 # Hugo >= v0.81.0 requires Go 1.16+ to build
-ARG GO_VERSION=1.16
+ARG GO_VERSION=1.17
+ARG ALPINE_VERSION=3.15
 
 # ---
 
-FROM golang:${GO_VERSION}-alpine AS build
+FROM golang:${GO_VERSION}-alpine${ALPINE_VERSION} AS build
 
 # renew global args from above
 # https://docs.docker.com/engine/reference/builder/#scope
@@ -46,12 +47,14 @@ RUN go get github.com/yaegashi/muslstack && \
 
 # ---
 
-FROM alpine:latest
+FROM alpine:${ALPINE_VERSION}
 
 # renew global args from above & pin any dependency versions
 ARG HUGO_VERSION
 # https://github.com/jgm/pandoc/releases
-ARG PANDOC_VERSION=2.13
+ARG PANDOC_VERSION=2.17.1.1
+# https://github.com/sass/dart-sass-embedded/releases
+ARG DART_SASS_VERSION=1.49.9
 
 LABEL version="${HUGO_VERSION}"
 LABEL repository="https://github.com/jakejarvis/hugo-docker"
@@ -65,10 +68,13 @@ LABEL org.opencontainers.image.source="https://github.com/jakejarvis/hugo-docker
 COPY --from=build /go/bin/hugo /usr/bin/hugo
 
 # this step is intentionally a bit of a mess to minimize the number of layers in the final image
-RUN if [ "$(uname -m)" = "aarch64" ]; then \
-      export ARCH="arm64"; \
+RUN set -euo pipefail && \
+    if [ "$(uname -m)" = "x86_64" ]; then \
+      ARCH="amd64"; \
+    elif [ "$(uname -m)" = "aarch64" ]; then \
+      ARCH="arm64"; \
     else \
-      export ARCH="amd64"; \
+      echo "Unknown build architecture, quitting." && exit 2; \
     fi && \
     # alpine packages
     # libc6-compat & libstdc++ are required for extended SASS libraries
@@ -105,6 +111,14 @@ RUN if [ "$(uname -m)" = "aarch64" ]; then \
     mv ./pandoc-${PANDOC_VERSION}/bin/pandoc /usr/bin/ && \
     chmod +x /usr/bin/pandoc && \
     rm -rf pandoc.tar.gz pandoc-${PANDOC_VERSION} && \
+    # manually fetch Dart SASS binary (on x64 only)
+    if [ "$ARCH" = "amd64" ]; then \
+      wget -O sass-embedded.tar.gz https://github.com/sass/dart-sass-embedded/releases/download/${DART_SASS_VERSION}/sass_embedded-${DART_SASS_VERSION}-linux-x64.tar.gz && \
+      tar xf sass-embedded.tar.gz && \
+      mv ./sass_embedded/dart-sass-embedded /usr/bin/ && \
+      chmod +x /usr/bin/dart-sass-embedded && \
+      rm -rf sass-embedded.tar.gz sass_embedded; \
+    fi && \
     # clean up some junk
     rm -rf /tmp/* /var/tmp/* /var/cache/apk/* && \
     # make super duper sure that everything went OK, exit otherwise

README.md

@@ -1,4 +1,4 @@
-# ✏️ [Hugo Extended](https://github.com/gohugoio/hugo) via Docker 
+# ✏️ [Hugo Extended](https://github.com/gohugoio/hugo) via Docker
 
 [![Build](https://github.com/jakejarvis/hugo-docker/actions/workflows/build.yml/badge.svg?branch=master)](https://github.com/jakejarvis/hugo-docker/actions/workflows/build.yml)
 
@@ -44,6 +44,7 @@ Just in case, the final Alpine Linux container includes a few small third-party
 - [Asciidoctor](https://asciidoctor.org/)
 - [Pandoc](https://pandoc.org/)
 - [Docutils](https://docutils.sourceforge.io/) / [RST](https://docutils.sourceforge.io/rst.html)
+- [Embedded Dart Sass](https://github.com/sass/dart-sass-embedded) (amd64 only)
 
 Node (with NPM and Yarn), Go (for [Hugo Modules](https://gohugo.io/hugo-modules/) support), and Python are also pre-installed.