make slug size smaller for heroku

.github/workflows/ci.yml

@@ -20,7 +20,11 @@ jobs:
       - name: Install platform dependencies
         run: |
           sudo apt -y update
-          sudo apt -y install $(cat Aptfile | grep -v '^pandoc$' | xargs)
+          sudo apt -y install --no-install-recommends \
+              texlive-latex-base \
+              texlive-latex-recommended \
+              texlive-plain-generic \
+              lmodern
       - name: Install pandoc
         run: |
           wget https://github.com/jgm/pandoc/releases/download/2.17.1.1/pandoc-2.17.1.1-1-amd64.deb

Aptfile

@@ -1,6 +0,0 @@
-pandoc
-texlive-latex-base
-texlive-latex-recommended
-texlive-fonts-recommended
-texlive-plain-generic
-lmodern

Dockerfile

@@ -23,6 +23,13 @@ RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
         texlive-plain-generic \
         lmodern
 
+RUN case $(uname -m) in \
+         "x86_64")  ARCH=amd64 ;; \
+         "aarch64")  ARCH=arm64 ;; \
+    esac \
+    && wget --quiet https://github.com/jgm/pandoc/releases/download/2.17.1.1/pandoc-2.17.1.1-1-${ARCH}.deb \
+    && dpkg -i pandoc-2.17.1.1-1-${ARCH}.deb
+
 RUN mkdir /code
 WORKDIR /code
 

texlive.packages

@@ -0,0 +1,2 @@
+xcolor
+etoolbox