SYS-1315: Fix npm install problem on Mac M1 (#26)

Dockerfile

@@ -2,6 +2,13 @@
 # per https://github.com/ExLibrisGroup/primo-explore-devenv
 FROM node:16-bullseye
 
+# Add dependencies needed to fix problem with "npm install" of primo-explore-devenv (below) on Mac M1 ARM64,
+# which does not have pre-built node-canvas packages.
+# https://github.com/Automattic/node-canvas/wiki/Installation:-Ubuntu-and-other-Debian-based-systems
+# Note that libgif-dev, librsvg2-dev and libjpeg-dev are optional, and only required if you want gif, svg and jpeg support, respectively.
+# apt-get install build-essential libcairo2-dev libpango1.0-dev libjpeg-dev libgif-dev librsvg2-dev
+RUN apt-get update && apt-get install -y build-essential libcairo2-dev libpango1.0-dev
+
 # Install primo-explore-devenv
 # This, and the npm install, will show lots of deprecation warnings due to the old
 # Ex Libris environment being used here.