CI: Use custom image

.gitea/workflows/build.yaml

@@ -6,8 +6,6 @@ on:
       - master
 
 env:
-  ZOLA_VERSION: "0.18.0"
-  CHORDPRO_VERSION: "6.050"
   HOST: ${{ secrets.SSH_HOSTNAME }}
   HOST_DIR: ${{ secrets.SSH_TARGET_DIR }}
   SSH_USERNAME: ${{ secrets.SSH_USERNAME }}
@@ -15,27 +13,14 @@ env:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: mixtape
+    container:
+      image: mixtape:latest
 
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - name: Install Dependencies
-        run: |
-          apt update -y
-          apt-get install -y --no-install-recommends \
-          cpanminus ghostscript make rsync \
-          libpdf-api2-perl libimage-info-perl
-
-      - name: Install Chordpro
-        run: cpanm install chordpro@${CHORDPRO_VERSION}
-
-      - name: Install Zola
-        run: |
-          wget https://github.com/getzola/zola/releases/download/v${ZOLA_VERSION}/zola-v${ZOLA_VERSION}-x86_64-unknown-linux-gnu.tar.gz
-          tar -xvzf *.tar.gz
-
       - name: Build Chordpro
         run: make
 
@@ -44,7 +29,6 @@ jobs:
 
       - name: Deploy
         run: |
-          apt-get install -y --no-install-recommends rsync
           eval "$(ssh-agent -s)"
           ssh-add - <<< "${SSH_PRIVATE_KEY}"
           mkdir -p ~/.ssh/