Updated dockerfile / ci setup

.forgejo/workflows/test.yaml

@@ -12,12 +12,8 @@ jobs:
   build:
     runs-on: docker
     container:
-      image: haskell:9.10
+      image: elland/haddock2:latest
     steps:
-      - name: Install Node.js (for actions)
-        run: |
-          curl -fsSL https://deb.nodesource.com/setup_22.x | bash -
-          apt-get install -y nodejs
       - name: Checkout code
         uses: actions/checkout@v4
       - name: Check versions
@@ -49,13 +45,9 @@ jobs:
   test:
     runs-on: docker
     container:
-      image: haskell:9.10
+      image: elland/haddock2:latest
     needs: build
     steps:
-      - name: Install Node.js (for actions)
-        run: |
-          curl -fsSL https://deb.nodesource.com/setup_22.x | bash -
-          apt-get install -y nodejs
       - name: Checkout code
         uses: actions/checkout@v4
       - name: Cache Cabal packages
@@ -82,18 +74,11 @@ jobs:
   fourmolu:
     runs-on: docker
     container:
-      image: haskell:9.10
+      image: elland/haddock2:latest
+    needs: build
     steps:
-      - name: Install Node.js (for actions)
-        run: |
-          curl -fsSL https://deb.nodesource.com/setup_22.x | bash -
-          apt-get install -y nodejs
       - name: Checkout code
         uses: actions/checkout@v4
-      - name: Update Cabal package index
-        run: cabal update
-      - name: Install fourmolu
-        run: cabal install fourmolu-0.18.0.0
       - name: Run fourmolu
         run: |
           find src test app -name "*.hs" -exec fourmolu --check-idempotence {} \; 2>/dev/null || true
@@ -102,18 +87,11 @@ jobs:
   hlint:
     runs-on: docker
     container:
-      image: haskell:9.10
+      image: elland/haddock2:latest
+    needs: build
     steps:
-      - name: Install Node.js (for actions)
-        run: |
-          curl -fsSL https://deb.nodesource.com/setup_22.x | bash -
-          apt-get install -y nodejs
       - name: Checkout code
         uses: actions/checkout@v4
-      - name: Update Cabal package index
-        run: cabal update
-      - name: Install hlint
-        run: cabal install hlint
       - name: Run hlint
         run: |
           if [ -d src ]; then hlint src/; fi