update Dockerfile

- base it on the custom git.brds.ca/d-b.ca/hugo-builder (as the gohugo container doesn't really work for this).

Dockerfile

@@ -1,12 +1,12 @@
 # Package versions
-ARG HUGO_VERSION="v0.147.1"
+ARG HUGO_VERSION="latest"
 ARG CADDY_VERSION="2.10.0"
 
 # Stage 1: Build
-FROM ghcr.io/gohugoio/hugo:${HUGO_VERSION} AS builder
+FROM git.brds.ca/d-b.ca/hugo-builder:${HUGO_VERSION} AS builder
 WORKDIR /project
 COPY . .
-RUN hugo build
+RUN hugo --minify build
 
 # Stage 2: Package
 FROM docker.io/caddy:${CADDY_VERSION}