diff --git a/.gitea/workflows/test-and-build.yml b/.gitea/workflows/test-and-build.yml
index 10bdd07..a4c4a28 100644
--- a/.gitea/workflows/test-and-build.yml
+++ b/.gitea/workflows/test-and-build.yml
@@ -13,26 +13,30 @@ on:
 jobs:
   test:
     container:
-      image: debian:bullseye-slim
+      image: docker.matri.cx/nix-runner:latest
+      credentials:
+        username: ${{ secrets.REGISTRY_USERNAME }}
+        password: ${{ secrets.REGISTRY_PASSWORD }}
     steps:
-      - name: Install prerequisites
-        run: |
-          apt-get update && apt-get install -y \
-            curl \
-            sudo \
-            xz-utils \
-            gnupg \
-            && rm -rf /var/lib/apt/lists/*
-
-      - name: Install Nix with nix install
-        run: |
-          curl -L https://nixos.org/releases/nix/nix-2.15.0/install | sh
-          . /etc/profile.d/nix.sh
-
       - name: Checkout code
         uses: actions/checkout@v3
 
-      - name: Enter development shell and run tests
+      - name: Install dependencies and run tests
         run: |
-          . /etc/profile.d/nix.sh
           nix develop --command cabal test
+
+  build:
+    needs: test
+    container:
+      image: docker.matri.cx/nix-runner:latest
+      credentials:
+        username: ${{ secrets.REGISTRY_USERNAME }}
+        password: ${{ secrets.REGISTRY_PASSWORD }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Build binary
+        run: |
+          nix build
+          ls -alh ./result/bin/tricu