diff --git a/.github/tests/test_and_check_app/action.yml b/.github/tests/test_and_check_app/action.yml
index 9892b00..148b553 100644
--- a/.github/tests/test_and_check_app/action.yml
+++ b/.github/tests/test_and_check_app/action.yml
@@ -1,78 +1,18 @@
-name: "Lint and Test APP"
-description: "Run Pint and the Pest test suite"
+name: test_and_check_app
+description: Build the test image and run all application checks
 
 runs:
   using: composite
   steps:
-    - name: Setup PHP
-      uses: shivammathur/setup-php@f3e473d116dcccaddc5834248c87452386958240 #v2.37.2
-      with:
-        php-version: "8.5"
-        extensions: mbstring, pdo_sqlite
-        coverage: none
-        tools: composer:v2
-
-    - name: Verify Composer lockfile
+    - name: Test and check app
+      shell: bash
       run: |
-        if [ ! -f composer.lock ]; then
-          echo "::error::composer.lock not found"
-          exit 1
-        fi
-      shell: bash
+        set -Eeuo pipefail
 
-    - name: Get Composer cache directory
-      id: composer_cache
-      run: echo "dir=$(composer config cache-files-dir)" >> "$GITHUB_OUTPUT"
-      shell: bash
-
-    - name: Cache Composer packages
-      uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
-      with:
-        path: ${{ steps.composer_cache.outputs.dir }}
-        key: ${{ runner.os }}-php-8.5-${{ hashFiles('composer.lock') }}
-
-    - name: Setup pnpm
-      uses: pnpm/action-setup@0ebf47130e4866e96fce0953f49152a61190b271 # v11.7.0
-      with:
-        package-json-file: package.json
-
-    - name: Setup Node.js
-      uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
-      with:
-        node-version: 22
-        cache: "pnpm"
-        cache-dependency-path: "pnpm-lock.yaml"
-
-    - name: Install dependencies
-      run: pnpm install --frozen-lockfile
-      shell: bash
-
-    - name: Prepare environment file
-      run: cp .env.example .env
-      shell: bash
-
-    - name: Install dependencies
-      run: composer install --no-interaction --prefer-dist --no-progress
-      shell: bash
-
-    - name: Generate application key
-      run: php artisan key:generate
-      shell: bash
-
-    - name: Generate Wayfinder routes and actions
-      run: php artisan wayfinder:generate --with-form
-      shell: bash
-
-    - name: Run independent application checks
-      run: |
-        pnpm exec concurrently \
-          --names frontend,backend \
-          --prefix-colors cyan,magenta \
-          --kill-others-on-fail \
-          "composer run ci:frontend" \
-          "composer run ci:backend"
-      shell: bash
-
-    - name: Run Laravel tests
-      run: composer run ci:test
-      shell: bash
+        docker buildx build \
+          --file Dockerfile \
+          --target test \
+          --tag "local/kanbangit-test:${GITHUB_SHA}" \
+          --progress plain \
+          --load \
+          .