diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..645c171
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,10 @@
+version: 2
+updates:
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b581a39..bd0b987 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,36 +1,23 @@
-name: CI/CD Pipeline
-
+name: CI
 on:
   push:
-    branches:
-      - main
   pull_request:
-    branches:
-      - main
-
 jobs:
-  test:
+  build:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.10","3.11","3.12"]
     steps:
-      - name: Checkout Código
-        uses: actions/checkout@v3
-
-      - name: Configurar Python
-        uses: actions/setup-python@v3
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
         with:
-          python-version: '3.9'
-
-      - name: Instalar Dependências
-        run: |
-          python -m pip install --upgrade pip
-          pip install -r requirements.txt || true
-
-      - name: Rodar Testes
-        run: pytest tests/ || echo "Testes falharam, mas o workflow continua."
-
-  deploy:
-    needs: test
-    runs-on: ubuntu-latest
-    steps:
-      - name: Deploy para Produção
-        run: echo "Deploy realizado com sucesso!"
+          python-version: ${{ matrix.python-version }}
+      - run: python -m pip install -U pip
+      - run: |
+          if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+          pip install black ruff pytest
+      - run: black --check .
+      - run: ruff check .
+      - run: |
+          if ls **/*.py 1> /dev/null 2>&1; then pytest -q || true; fi
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
new file mode 100644
index 0000000..44a5ea0
--- /dev/null
+++ b/.github/workflows/codeql.yml
@@ -0,0 +1,25 @@
+name: "CodeQL"
+on:
+  push:
+    branches: ["main", "master"]
+  pull_request:
+    branches: ["main", "master"]
+  schedule:
+    - cron: "23 2 * * 2"
+jobs:
+  analyze:
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ "python" ]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: github/codeql-action/init@v3
+        with:
+          languages: ${{ matrix.language }}
+      - uses: github/codeql-action/analyze@v3
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b57a031
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,27 @@
+# Python
+venv/
+.env
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+*.sqlite3
+*.db
+.coverage
+htmlcov/
+dist/
+build/
+*.egg-info/
+.mypy_cache/
+pytest_cache/
+.ipynb_checkpoints/
+
+# Node (se houver frontend no mesmo repo)
+node_modules/
+.cache/
+.vite/
+dist/
+
+# OS
+.DS_Store
+Thumbs.db
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..c92947d
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,10 @@
+repos:
+  - repo: https://github.com/psf/black
+    rev: 24.8.0
+    hooks:
+      - id: black
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.6.9
+    hooks:
+      - id: ruff
+        args: [--fix]
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..88a8277
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 Sidinei Schaedler
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..628d2d8
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,16 @@
+[project]
+name = "app"
+version = "0.1.0"
+requires-python = ">=3.10"
+
+[tool.black]
+line-length = 100
+target-version = ["py310","py311","py312"]
+
+[tool.ruff]
+line-length = 100
+select = ["E","F","I","UP","B","SIM"]
+ignore = ["E501"]
+
+[tool.pytest.ini_options]
+addopts = "-q"
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..4649a3c
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+flask
+pytest