diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
new file mode 100644
index 000000000..c9bc0de4a
--- /dev/null
+++ b/.github/workflows/docker.yml
@@ -0,0 +1,36 @@
+name: Docker
+
+on:
+  workflow_call:
+
+jobs:
+  docker:
+    name: 'Docker: Build'
+    runs-on: ubuntu-20.04
+
+    services:
+      postgres:
+        image: postgres:16
+        env:
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: gmmcalcombr_test
+        ports:
+          - 5432:5432
+        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Build test image
+        uses: docker/build-push-action@v2
+        with:
+          push: false
+          context: .
+          target: test
+          tags: "gmmcal:test"
+
+      - name: Upload image
+        uses: ishworkh/container-image-artifact-upload@v1.0.0
+        with:
+          image: "gmmcal:test"
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 7e7ecc82e..76810086f 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -4,30 +4,23 @@ on:
   - pull_request
 
 jobs:
+  build:
+    uses: gmmcal/gmmcal.com.br/.github/workflows/docker.yml@actions
+
   rubocop:
     name: 'Lint: Rubocop'
     runs-on: ubuntu-20.04
-
-    container:
-      image: ruby:3.2.2
+    needs: build
 
     steps:
-      - uses: actions/checkout@v4
-
-      - uses: actions/cache@v3
+      - name: Download an image
+        uses: ishworkh/container-image-artifact-download@v1.0.0
         with:
-          path: vendor/bundle
-          key: ${{ runner.os }}-gems-gmmcal-${{ hashFiles('/Gemfile.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-gems-gmmcal-
-
-      - name: Run bundle install
-        run: |
-          bundle config path vendor/bundle
-          bundle install --jobs 4 --retry 3
+          image: "gmmcal:test"
 
       - name: Run rubocop
-        run: bundle exec rubocop --config .rubocop.yml .
+        run: |
+          docker run --rm gmmcal:test bundle exec rubocop --config .rubocop.yml .
 
   reek:
     name: 'Lint: Reek'
diff --git a/.gitignore b/.gitignore
index 2a4a0c134..4fabfa40a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,6 +9,7 @@ capybara-*.html
 /public/assets
 /public/uploads
 /coverage/
+!/coverage/.keep
 /spec/tmp
 /spec/backend/examples.txt
 /spec/end-to-end/screenshots
diff --git a/bin/docker-entrypoint b/bin/docker-entrypoint
index 39f5b2bef..a07a6bf17 100755
--- a/bin/docker-entrypoint
+++ b/bin/docker-entrypoint
@@ -6,4 +6,9 @@ if [ "${1}" == "./bin/rails" ] && [ "${2}" == "server" ]; then
   ./bin/rails db:seed:all
 fi
 
+# bundle exec rspec
+if [ "${3}" == "rspec" ]; then
+  ./bin/rails db:migrate
+fi
+
 exec "${@}"
diff --git a/coverage/.keep b/coverage/.keep
new file mode 100644
index 000000000..e69de29bb