ci-image-improvements (#18)

Reviewed-on: #18
Co-authored-by: David Gwilliam <dhgwilliam@gmail.com>
Co-committed-by: David Gwilliam <dhgwilliam@gmail.com>

.gitea/workflows/pr.yml

@@ -13,10 +13,6 @@ jobs:
       options: --user root
 
     steps:
-      - name: Install system dependencies
-        run: |
-          apk add --no-cache bash git
-
       - name: Checkout code
         uses: actions/checkout@v4
 
@@ -30,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: unit-tests
     container:
-      image: node:20-alpine
+      image: mcr.microsoft.com/playwright:v1.58.0-jammy
       options: --user root
     env:
       DATABASE_PROVIDER: sqlite
@@ -38,18 +34,21 @@ jobs:
       BETTER_AUTH_SECRET: test-secret-key-for-ci-only
 
     steps:
-      - name: Install system dependencies
-        run: |
-          apk add --no-cache bash git
-
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
       - name: Install dependencies
         run: npm ci
 
       - name: Generate Prisma client
         run: npx prisma generate
+        env:
+          DATABASE_URL: postgresql://user:pass@localhost:5432/dummy
 
       - name: Setup SQLite database
         run: |