change: replace bundled Noto fonts with an Adobe NotDef tofu fallback in the Docker image

Author: u1f992

Dockerfile

@@ -33,13 +33,13 @@ RUN set -x \
     unzip \
   && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* `npm config get cache`/_npx
 
-# Install fonts
-RUN set -x \
-  && apt-get update -qq \
-  && apt-get upgrade -yqq \
-  # install all Noto fonts
-  && apt-get install -y fonts-noto \
-  && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+# Render glyphs that no other font covers as visible tofu boxes, not blank.
+# The license sits where apt-installed fonts keep theirs.
+RUN curl -fsSL -o /usr/local/share/fonts/AND-Regular.otf \
+    https://raw.githubusercontent.com/adobe-fonts/adobe-notdef/1.001/AND-Regular.otf \
+  && mkdir -p /usr/share/doc/adobe-notdef \
+  && curl -fsSL -o /usr/share/doc/adobe-notdef/LICENSE.md \
+    https://raw.githubusercontent.com/adobe-fonts/adobe-notdef/1.001/LICENSE.md
 
 # Install Node.js
 RUN set -x \
@@ -64,9 +64,6 @@ RUN set -x \
     && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*; \
   fi
 
-# Font aliases for Noto CJK fonts
-COPY build/fonts.conf /etc/fonts/local.conf
-
 RUN set -x \
   && mkdir -p /opt \
   && mkdir -p /data \