From fdabc9b4986424b4c4246651a3d53ca7c4579f8a Mon Sep 17 00:00:00 2001
From: Jake Jarvis <jake@jarv.is>
Date: Sat, 4 Jul 2020 20:16:35 -0400
Subject: [PATCH] switch HUGO_VERSION from ENV to ARG to allow for version
 overriding at build time

---
 Dockerfile | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index a41c5d1..8bc7177 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,9 +2,10 @@
 # much easier to install Node on the Go base image than vice-versa.
 FROM golang:1.14-alpine
 
-ENV HUGO_VERSION 0.73.0
+# the following version can be overridden at image build time with --build-arg
+ARG HUGO_VERSION=0.73.0
 # remove/comment the following line completely to build with vanilla Hugo:
-ENV HUGO_EXTENDED 1
+ARG HUGO_EXTENDED=1
 
 LABEL "com.github.actions.name"="Hugo Build"
 LABEL "com.github.actions.description"="Hugo as an action, with extended support and legacy versions"