Update CI

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

.gitea/Containerfile

@@ -0,0 +1,9 @@
+FROM catthehacker/ubuntu:act-latest
+
+RUN apt-get update && apt-get install -y texlive-xetex texlive-science texlive-fonts-extra
+RUN wget -P /usr/local/share/fonts https://github.com/CatharsisFonts/Cormorant/raw/refs/heads/master/fonts/ttf/CormorantGaramond-Regular.ttf && \
+    wget -P /usr/local/share/fonts https://github.com/CatharsisFonts/Cormorant/raw/refs/heads/master/fonts/ttf/CormorantGaramond-Bold.ttf && \
+    wget -P /usr/local/share/fonts https://github.com/CatharsisFonts/Cormorant/raw/refs/heads/master/fonts/ttf/CormorantGaramond-Italic.ttf && \
+    wget -P /usr/local/share/fonts https://github.com/CatharsisFonts/Cormorant/raw/refs/heads/master/fonts/ttf/CormorantGaramond-BoldItalic.ttf && \
+    wget -P /usr/local/share/fonts https://github.com/CatharsisFonts/Cormorant/raw/refs/heads/master/fonts/ttf/CormorantGaramond-Light.ttf
+RUN fc-cache -fv

.gitea/workflows/main.yaml

@@ -6,32 +6,55 @@ on:
       - "**"
 
 jobs:
-  release:
-    runs-on: ubuntu-latest
+  filter:
+    runs-on: nix
+    outputs:
+      builder: ${{ steps.filter.outputs.builder }}
     steps:
       - name: Checkout
         uses: actions/checkout@v3
 
-      - name: Install LaTeX (XeLaTeX)
-        run: |
-          apt-get update
-          apt-get install -y texlive-xetex texlive-science texlive-fonts-extra
+      - name: Filter paths
+        id: filter
+        uses: dorny/paths-filter@v2
+        with:
+          filters: |
+            builder:
+              - '.gitea/Containerfile'
 
-          wget -P /usr/local/share/fonts https://github.com/CatharsisFonts/Cormorant/raw/refs/heads/master/fonts/ttf/CormorantGaramond-Regular.ttf
-          wget -P /usr/local/share/fonts https://github.com/CatharsisFonts/Cormorant/raw/refs/heads/master/fonts/ttf/CormorantGaramond-Bold.ttf
-          wget -P /usr/local/share/fonts https://github.com/CatharsisFonts/Cormorant/raw/refs/heads/master/fonts/ttf/CormorantGaramond-Italic.ttf
-          wget -P /usr/local/share/fonts https://github.com/CatharsisFonts/Cormorant/raw/refs/heads/master/fonts/ttf/CormorantGaramond-BoldItalic.ttf
-          wget -P /usr/local/share/fonts https://github.com/CatharsisFonts/Cormorant/raw/refs/heads/master/fonts/ttf/CormorantGaramond-Light.ttf
-          fc-cache -fv
+  builder:
+    if: ${{ needs.filter.outputs.builder == 'true' }}
+    runs-on: nix
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v3
+
+      - name: Build Builder Image
+        run: |
+          buildah build -f .gitea/Containerfile -t git.karaolidis.com/karaolidis/cv/builder
+
+      - name: Push Builder Image
+        run: |
+          echo "${{ secrets.GITEA_REGISTRY_PASSWORD }}" | buildah login -u "${{ secrets.GITEA_REGISTRY_USER }}" --password-stdin git.karaolidis.com
+          skopeo copy \
+            containers-storage:git.karaolidis.com/karaolidis/cv/builder:latest \
+            docker://git.karaolidis.com/karaolidis/cv/builder:latest
+
+  release:
+    runs-on: nix
+    needs: [filter, builder]
+    container:
+      image: git.karaolidis.com/karaolidis/cv/builder
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
 
       - name: Compile PDF
-        run: |
-          xelatex main.tex
+        run: xelatex main.tex
 
       - name: Release
         uses: https://github.com/akkuman/gitea-release-action@main
         with:
           name: "Release ${{ github.sha }}"
           tag_name: "release-${{ github.sha }}"
-          files: |-
-            main.pdf
+          files: main.pdf