diff --git a/ROADMAP.md b/ROADMAP.md
index 8247558..1c7e89a 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -7,18 +7,23 @@ The package plans are here. If you want to contribute with new ideas, or develop
 
 ## Checklist
 
+### Must
 - [X] License support on `startproject`.
 - [X] Docker/Docker-compose support on `startproject`.
-- [ ] VSCode debugger support on `startproject` (available via docker).
 - [X] Add basic linter tools on `startproject` (flake8, mypy and isort).
 - [X] Add `.pre-commit-config.yaml` on `startproject`.
+- [ ] Integrate databases on `startproject`.
+- [ ] Different Authentication support on `startproject`.
+- [ ] Add tests.
+
+### Nice to have
+- [ ] VSCode debugger support on `startproject` (available via docker).
 - [ ] Support different CI on `startproject`.
 - [ ] Add support for `hypercorn` on `run`.
-- [ ] Add tests.
-- [ ] Integrate databases on `startproject`.
 - [ ] Create `migrations`/`migrate` command.
-- [ ] Different Authentication support on `startproject`.
 - [ ] Configuration file support: being able to run `fastapi startproject --config-file myconfig`.
+- [ ] Add `logger` to `startproject` structure.
+- [ ] Base CRUD class to `startproject`.
 
 ## Questions
 
diff --git a/haha/.gitignore b/haha/.gitignore
deleted file mode 100644
index bad5d49..0000000
--- a/haha/.gitignore
+++ /dev/null
@@ -1,141 +0,0 @@
-# Byte-compiled / optimized / DLL files
-__pycache__/
-*.py[cod]
-*$py.class
-
-# C extensions
-*.so
-
-# Distribution / packaging
-.Python
-build/
-develop-eggs/
-dist/
-downloads/
-eggs/
-.eggs/
-lib/
-lib64/
-parts/
-sdist/
-var/
-wheels/
-share/python-wheels/
-*.egg-info/
-.installed.cfg
-*.egg
-MANIFEST
-
-# PyInstaller
-#  Usually these files are written by a python script from a template
-#  before PyInstaller builds the exe, so as to inject date/other infos into it.
-*.manifest
-*.spec
-
-# Installer logs
-pip-log.txt
-pip-delete-this-directory.txt
-
-# Unit test / coverage reports
-htmlcov/
-.tox/
-.nox/
-.coverage
-.coverage.*
-.cache
-nosetests.xml
-coverage.xml
-*.cover
-*.py,cover
-.hypothesis/
-.pytest_cache/
-cover/
-
-# Translations
-*.mo
-*.pot
-
-# Django stuff:
-*.log
-local_settings.py
-db.sqlite3
-db.sqlite3-journal
-
-# Flask stuff:
-instance/
-.webassets-cache
-
-# Scrapy stuff:
-.scrapy
-
-# Sphinx documentation
-docs/_build/
-
-# PyBuilder
-.pybuilder/
-target/
-
-# Jupyter Notebook
-.ipynb_checkpoints
-
-# IPython
-profile_default/
-ipython_config.py
-
-# pyenv
-#   For a library or package, you might want to ignore these files since the code is
-#   intended to run in multiple environments; otherwise, check them in:
-# .python-version
-
-# pipenv
-#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
-#   However, in case of collaboration, if having platform-specific dependencies or dependencies
-#   having no cross-platform support, pipenv may install dependencies that don't work, or not
-#   install all needed dependencies.
-#Pipfile.lock
-
-# PEP 582; used by e.g. github.com/David-OConnor/pyflow
-__pypackages__/
-
-# Celery stuff
-celerybeat-schedule
-celerybeat.pid
-
-# SageMath parsed files
-*.sage.py
-
-# Environments
-.env
-.venv
-env/
-venv/
-ENV/
-env.bak/
-venv.bak/
-
-# Spyder project settings
-.spyderproject
-.spyproject
-
-# Rope project settings
-.ropeproject
-
-# mkdocs documentation
-/site
-
-# mypy
-.mypy_cache/
-.dmypy.json
-dmypy.json
-
-# Pyre type checker
-.pyre/
-
-# pytype static type analyzer
-.pytype/
-
-# Cython debug symbols
-cython_debug/
-
-# Text Editor
-.vscode
diff --git a/haha/.pre-commit-config.yaml b/haha/.pre-commit-config.yaml
deleted file mode 100644
index d4e5154..0000000
--- a/haha/.pre-commit-config.yaml
+++ /dev/null
@@ -1,36 +0,0 @@
-repos:
-  - repo: https://github.com/myint/autoflake
-    rev: v1.4
-    hooks:
-      - id: autoflake
-        exclude: .*/__init__.py
-        args:
-          - --in-place
-          - --remove-all-unused-imports
-          - --expand-star-imports
-          - --remove-duplicate-keys
-          - --remove-unused-variables
-  - repo: local
-    hooks:
-      - id: flake8
-        name: flake8
-        entry: flake8
-        language: system
-        types: [python]
-  - repo: https://github.com/pre-commit/mirrors-isort
-    rev: v5.4.2
-    hooks:
-      - id: isort
-        args: ["--profile", "black"]
-  - repo: local
-    hooks:
-      - id: mypy
-        name: mypy
-        entry: mypy
-        language: system
-        types: [python]
-  - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v3.3.0
-    hooks:
-      - id: trailing-whitespace
-      - id: end-of-file-fixer
diff --git a/haha/Dockerfile b/haha/Dockerfile
deleted file mode 100644
index 74ee421..0000000
--- a/haha/Dockerfile
+++ /dev/null
@@ -1,12 +0,0 @@
-FROM tiangolo/uvicorn-gunicorn-fastapi:python3.8
-
-ENV PYTHONPATH "${PYTHONPATH}:/"
-ENV PORT=8000
-
-RUN pip install --upgrade pip
-
-COPY ./requirements.txt /app/
-
-RUN pip install -r requirements.txt
-
-COPY ./app /app
diff --git a/haha/LICENSE b/haha/LICENSE
deleted file mode 100644
index cb4e883..0000000
--- a/haha/LICENSE
+++ /dev/null
@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2020 Marcelo Trylesinski
-
-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/haha/README.md b/haha/README.md
deleted file mode 100644
index 06d7295..0000000
--- a/haha/README.md
+++ /dev/null
@@ -1,7 +0,0 @@
-# haha
-
-This project was generated via [manage-fastapi](https://ycd.github.io/manage-fastapi/)! :tada:
-
-## License
-
-This project is licensed under the terms of the MIT license.
diff --git a/haha/app/__init__.py b/haha/app/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/haha/app/core/__init__.py b/haha/app/core/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/haha/app/core/config.py b/haha/app/core/config.py
deleted file mode 100644
index f3c4df5..0000000
--- a/haha/app/core/config.py
+++ /dev/null
@@ -1,23 +0,0 @@
-from typing import List, Union
-
-from pydantic import AnyHttpUrl, BaseSettings, validator
-
-
-class Settings(BaseSettings):
-    PROJECT_NAME: str
-    BACKEND_CORS_ORIGINS: List[AnyHttpUrl] = []
-
-    @validator("BACKEND_CORS_ORIGINS", pre=True)
-    def assemble_cors_origins(cls, v: Union[str, List[str]]) -> Union[List[str], str]:
-        if isinstance(v, str) and not v.startswith("["):
-            return [i.strip() for i in v.split(",")]
-        elif isinstance(v, (list, str)):
-            return v
-        raise ValueError(v)
-
-    class Config:
-        case_sensitive = True
-        env_file = ".env"
-
-
-settings = Settings()
diff --git a/haha/app/main.py b/haha/app/main.py
deleted file mode 100644
index 361e75d..0000000
--- a/haha/app/main.py
+++ /dev/null
@@ -1,21 +0,0 @@
-from fastapi import FastAPI
-from fastapi.middleware.cors import CORSMiddleware
-
-from app.core.config import settings
-
-
-def get_application():
-    _app = FastAPI(title=settings.PROJECT_NAME)
-
-    _app.add_middleware(
-        CORSMiddleware,
-        allow_origins=[str(origin) for origin in settings.BACKEND_CORS_ORIGINS],
-        allow_credentials=True,
-        allow_methods=["*"],
-        allow_headers=["*"],
-    )
-
-    return _app
-
-
-app = get_application()
diff --git a/haha/docker-compose.yaml b/haha/docker-compose.yaml
deleted file mode 100644
index cb32fdc..0000000
--- a/haha/docker-compose.yaml
+++ /dev/null
@@ -1,8 +0,0 @@
-version: "3.8"
-
-services:
-  app:
-    build: .
-    env_file: ".env"
-    ports:
-      - "8000:8000"
diff --git a/haha/requirements.txt b/haha/requirements.txt
deleted file mode 100644
index 59db9ea..0000000
--- a/haha/requirements.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-fastapi==0.61.2
-uvicorn==0.12.2
diff --git a/haha/setup.cfg b/haha/setup.cfg
deleted file mode 100644
index a732dcf..0000000
--- a/haha/setup.cfg
+++ /dev/null
@@ -1,17 +0,0 @@
-[isort]
-profile = black
-known_first_party = app
-
-[flake8]
-max-complexity = 7
-statistics = True
-max-line-length = 88
-ignore = W503,E203
-per-file-ignores =
-    __init__.py: F401
-
-[mypy]
-plugins = pydantic.mypy
-ignore_missing_imports = True
-follow_imports = skip
-strict_optional = True
diff --git a/haha/tests/__init__.py b/haha/tests/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/manage_fastapi/constants.py b/manage_fastapi/constants.py
index 0fb1877..a3b9634 100644
--- a/manage_fastapi/constants.py
+++ b/manage_fastapi/constants.py
@@ -34,3 +34,8 @@ class License(BaseEnum):
     BSD = "BSD-3"
     GNU = "GNU GPL v3.0"
     APACHE = "Apache Software License 2.0"
+
+
+class Database(BaseEnum):
+    POSTGRES = "Postgres"
+    NONE = "None"
diff --git a/manage_fastapi/main.py b/manage_fastapi/main.py
index a20b84c..30338b5 100644
--- a/manage_fastapi/main.py
+++ b/manage_fastapi/main.py
@@ -3,7 +3,7 @@ import subprocess
 
 import typer
 
-from manage_fastapi.constants import License, PackageManager, PythonVersion
+from manage_fastapi.constants import Database, License, PackageManager, PythonVersion
 from manage_fastapi.generator import generate_project
 from manage_fastapi.helpers import bullet, launch_cli, yes_no
 from manage_fastapi.schemas import Context
@@ -21,6 +21,7 @@ def startproject(name: str, default: bool = typer.Option(False)):
             license=License.MIT,
             pre_commit=True,
             docker=True,
+            database=Database.NONE,
         )
     else:
         result = launch_cli(
@@ -29,6 +30,7 @@ def startproject(name: str, default: bool = typer.Option(False)):
             ("license", bullet(License)),
             ("pre_commit", yes_no("pre commit")),
             ("docker", yes_no("docker")),
+            ("database", bullet(Database)),
         )
         context = Context(name=name, **result)
     generate_project(context)
diff --git a/manage_fastapi/schemas.py b/manage_fastapi/schemas.py
index 9e5e8c0..1c3514e 100644
--- a/manage_fastapi/schemas.py
+++ b/manage_fastapi/schemas.py
@@ -5,7 +5,7 @@ from typing import Optional
 from pydantic import BaseModel, EmailStr, root_validator
 
 from manage_fastapi.config import FASTAPI_VERSION
-from manage_fastapi.constants import License, PackageManager, PythonVersion
+from manage_fastapi.constants import Database, License, PackageManager, PythonVersion
 
 
 class Context(BaseModel):
@@ -25,6 +25,8 @@ class Context(BaseModel):
     pre_commit: bool
     docker: bool
 
+    database: Database
+
     @root_validator(pre=True)
     def git_info(cls, values: dict):
         try:
diff --git a/manage_fastapi/templates/project/cookiecutter.json b/manage_fastapi/templates/project/cookiecutter.json
index ed51721..2911aad 100644
--- a/manage_fastapi/templates/project/cookiecutter.json
+++ b/manage_fastapi/templates/project/cookiecutter.json
@@ -1,4 +1,5 @@
 {
+  "database": "{{ cookiecutter.database }}",
   "docker": "{{ cookiecutter.docker }}",
   "email": "{{ cookiecutter.email }}",
   "env": ".env",
diff --git a/manage_fastapi/templates/project/hooks/post_gen_project.py b/manage_fastapi/templates/project/hooks/post_gen_project.py
index 7e05f03..253b3b6 100644
--- a/manage_fastapi/templates/project/hooks/post_gen_project.py
+++ b/manage_fastapi/templates/project/hooks/post_gen_project.py
@@ -1,6 +1,6 @@
 import os
 
-from manage_fastapi.constants import PackageManager
+from manage_fastapi.constants import Database, PackageManager
 
 
 def remove_paths(paths: list):
@@ -39,6 +39,16 @@ def set_docker():
         remove_paths(["Dockerfile", "docker-compose.yaml"])
 
 
+def set_database():
+    database = "{{ cookiecutter.database }}"
+    paths = []
+
+    if database == Database.NONE:
+        paths = ["app/database.py"]
+
+    remove_paths(paths)
+
+
 def main():
     set_packaging()
     set_pre_commit()
diff --git a/manage_fastapi/templates/project/{{ cookiecutter.folder_name }}/app/core/config.py b/manage_fastapi/templates/project/{{ cookiecutter.folder_name }}/app/core/config.py
index f3c4df5..6c2f4b8 100644
--- a/manage_fastapi/templates/project/{{ cookiecutter.folder_name }}/app/core/config.py	
+++ b/manage_fastapi/templates/project/{{ cookiecutter.folder_name }}/app/core/config.py	
@@ -1,6 +1,12 @@
+{% if cookiecutter.database == "Postgres" %}
+from typing import Any, Dict, List, Optional, Union
+
+from pydantic import AnyHttpUrl, BaseSettings, validator, PostgresDsn
+{% else %}
 from typing import List, Union
 
 from pydantic import AnyHttpUrl, BaseSettings, validator
+{% endif %}
 
 
 class Settings(BaseSettings):
@@ -15,9 +21,30 @@ class Settings(BaseSettings):
             return v
         raise ValueError(v)
 
+    {% if cookiecutter.database == "Postgres" %}
+    POSTGRES_SERVER: str
+    POSTGRES_USER: str
+    POSTGRES_PASSWORD: str
+    POSTGRES_DB: str
+    DATABASE_URI: Optional[PostgresDsn] = None
+
+    @validator("DATABASE_URI", pre=True)
+    def assemble_db_connection(cls, v: Optional[str], values: Dict[str, Any]) -> Any:
+        if isinstance(v, str):
+            return v
+        return PostgresDsn.build(
+            scheme="postgresql",
+            user=values.get("POSTGRES_USER"),
+            password=values.get("POSTGRES_PASSWORD"),
+            host=values.get("POSTGRES_SERVER"),
+            path=f"/{values.get('POSTGRES_DB') or ''}",
+        )
+    {% endif %}
+
     class Config:
         case_sensitive = True
         env_file = ".env"
 
 
+
 settings = Settings()
diff --git a/manage_fastapi/templates/project/{{ cookiecutter.folder_name }}/app/database.py b/manage_fastapi/templates/project/{{ cookiecutter.folder_name }}/app/database.py
new file mode 100644
index 0000000..27fa327
--- /dev/null
+++ b/manage_fastapi/templates/project/{{ cookiecutter.folder_name }}/app/database.py	
@@ -0,0 +1,16 @@
+from sqlalchemy import create_engine
+from sqlalchemy.ext.declarative import as_declarative, declared_attr
+from sqlalchemy.orm import sessionmaker
+
+from app.core.config import settings
+
+engine = create_engine(settings.DATABASE_URI, pool_pre_ping=True)
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+
+@as_declarative()
+class Base:
+
+    @declared_attr
+    def __tablename__(cls) -> str:
+        return cls.__name__.lower()
diff --git a/manage_fastapi/templates/project/{{ cookiecutter.folder_name }}/docker-compose.yaml b/manage_fastapi/templates/project/{{ cookiecutter.folder_name }}/docker-compose.yaml
index cb32fdc..1a0f250 100644
--- a/manage_fastapi/templates/project/{{ cookiecutter.folder_name }}/docker-compose.yaml	
+++ b/manage_fastapi/templates/project/{{ cookiecutter.folder_name }}/docker-compose.yaml	
@@ -3,6 +3,16 @@ version: "3.8"
 services:
   app:
     build: .
-    env_file: ".env"
+    env_file:
+      - .env
     ports:
       - "8000:8000"
+
+{% if cookiecutter.database == "Postgres" %}
+  database:
+    image: postgres:12
+    env_file:
+      - .env
+    ports:
+      - "5432:5432"
+{% endif %}
diff --git a/manage_fastapi/templates/project/{{ cookiecutter.folder_name }}/{{ cookiecutter.env }} b/manage_fastapi/templates/project/{{ cookiecutter.folder_name }}/{{ cookiecutter.env }}
index 040534d..062dcfc 100644
--- a/manage_fastapi/templates/project/{{ cookiecutter.folder_name }}/{{ cookiecutter.env }}	
+++ b/manage_fastapi/templates/project/{{ cookiecutter.folder_name }}/{{ cookiecutter.env }}	
@@ -1,2 +1,9 @@
 PROJECT_NAME={{ cookiecutter.name }}
 BACKEND_CORS_ORIGINS=["http://localhost:8000", "https://localhost:8000", "http://localhost", "https://localhost"]
+
+{% if cookiecutter.database == "Postgres" %}
+POSTGRES_USER=postgres
+POSTGRES_PASSWORD=postgres
+POSTGRES_SERVER=database
+POSTGRES_DB=app
+{% endif %}
diff --git a/tests/test_startproject.py b/tests/test_startproject.py
index 8d515be..c8fe14c 100644
--- a/tests/test_startproject.py
+++ b/tests/test_startproject.py
@@ -18,6 +18,7 @@ ALREADY_EXISTS = "Folder 'potato' already exists. 😞\n"
 )
 @pytest.mark.parametrize("pre_commit", [True, False])
 @pytest.mark.parametrize("docker", [True, False])
+@pytest.mark.parametrize("database", ["Postgres", "None"])
 def test_startproject(
     project_name: str,
     packaging: str,
@@ -25,6 +26,7 @@ def test_startproject(
     license_: str,
     pre_commit: bool,
     docker: bool,
+    database: str,
 ):
     package = "manage_fastapi.main.launch_cli"
     with patch(package) as mock_obj:
@@ -36,6 +38,7 @@ def test_startproject(
                 "license": license_,
                 "pre_commit": pre_commit,
                 "docker": docker,
+                "database": database,
             }
 
         mock_obj.side_effect = side_effect