diff --git a/.gitattributes b/.gitattributes
index a6344aac8c09253b3b630fb776ae94478aa0275b..7e661988685d0384a4401b4b10aaa71748c8b02e 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -33,3 +33,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
 *.zst filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
+mer.jpg filter=lfs diff=lfs merge=lfs -text
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..68bc17f9ff2104a9d7b6777058bb4c343ca72609
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,160 @@
+# 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
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__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/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..6cfecc16aafcbeff7dc5dd0369654263ae855b6b
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,27 @@
+FROM python:3.11-slim
+
+# Instala PostgreSQL, utilitários e Make para poder rodar migrações via Makefile
+RUN apt-get update && apt-get install -y \
+    postgresql postgresql-contrib postgresql-client \
+    make
+
+# Define variáveis default do banco (ajuste as credenciais conforme sua preferência)
+ENV POSTGRES_USER=workout
+ENV POSTGRES_PASSWORD=workout
+ENV POSTGRES_DB=workout
+
+# Cria pasta de trabalho
+WORKDIR /app
+
+# Copia dependências e instala
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copia todo o código da aplicação e scripts
+COPY . /app
+
+# Dá permissão para o script de entrypoint
+RUN chmod +x /app/entrypoint.sh
+
+# Comando para rodar ao iniciar o container
+CMD ["/app/entrypoint.sh"]
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000000000000000000000000000000000000..0f06b041cde422f8f311c31416951edf62e93b66
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,8 @@
+run:
+	@uvicorn workout_api.main:app --host 0.0.0.0 --port 7860
+
+create-migrations:
+	@PYTHONPATH=$PYTHONPATH:$(pwd) alembic revision --autogenerate -m $(d)
+
+run-migrations:
+	@PYTHONPATH=$PYTHONPATH:$(pwd) alembic upgrade head
diff --git a/alembic.ini b/alembic.ini
new file mode 100644
index 0000000000000000000000000000000000000000..cf2f65a0da2f7e0041e04b0895414928e72d22c9
--- /dev/null
+++ b/alembic.ini
@@ -0,0 +1,45 @@
+[alembic]
+
+script_location = alembic
+
+prepend_sys_path = .
+
+version_path_separator = os  
+
+sqlalchemy.url = postgresql+asyncpg://workout:workout@localhost/workout
+
+[post_write_hooks]
+
+[loggers]
+keys = root,sqlalchemy,alembic
+
+[handlers]
+keys = console
+
+[formatters]
+keys = generic
+
+[logger_root]
+level = WARN
+handlers = console
+qualname =
+
+[logger_sqlalchemy]
+level = WARN
+handlers =
+qualname = sqlalchemy.engine
+
+[logger_alembic]
+level = INFO
+handlers =
+qualname = alembic
+
+[handler_console]
+class = StreamHandler
+args = (sys.stderr,)
+level = NOTSET
+formatter = generic
+
+[formatter_generic]
+format = %(levelname)-5.5s [%(name)s] %(message)s
+datefmt = %H:%M:%S
diff --git a/alembic/README b/alembic/README
new file mode 100644
index 0000000000000000000000000000000000000000..98e4f9c44effe479ed38c66ba922e7bcc672916f
--- /dev/null
+++ b/alembic/README
@@ -0,0 +1 @@
+Generic single-database configuration.
\ No newline at end of file
diff --git a/alembic/__pycache__/env.cpython-311.pyc b/alembic/__pycache__/env.cpython-311.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..387314d50eaf511ae7fc62cea6bb8ce22f40d39c
Binary files /dev/null and b/alembic/__pycache__/env.cpython-311.pyc differ
diff --git a/alembic/env.py b/alembic/env.py
new file mode 100644
index 0000000000000000000000000000000000000000..50069ef103d1dec90e8543e1e4864252aa1155fd
--- /dev/null
+++ b/alembic/env.py
@@ -0,0 +1,59 @@
+import os
+import asyncio
+from logging.config import fileConfig
+
+from sqlalchemy.engine import Connection
+from sqlalchemy.ext.asyncio import async_engine_from_config
+from sqlalchemy import pool
+
+from alembic import context
+from workout_api.contrib.models import BaseModel
+from workout_api.contrib.repository.models import *
+
+config = context.config
+
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+target_metadata = BaseModel.metadata
+
+def get_url():
+    # Busca a DATABASE_URL do ambiente, se não encontra usa alembic.ini
+    return os.getenv("DATABASE_URL") or config.get_main_option("sqlalchemy.url")
+
+def run_migrations_offline() -> None:
+    url = get_url()
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+def do_run_migrations(connection: Connection) -> None:
+    context.configure(connection=connection, target_metadata=target_metadata)
+    with context.begin_transaction():
+        context.run_migrations()
+
+async def run_async_migrations() -> None:
+    # Injeta a URL pela configuração dinâmica
+    section = config.get_section(config.config_ini_section, {})
+    section["sqlalchemy.url"] = get_url()
+    connectable = async_engine_from_config(
+        section,
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+    async with connectable.connect() as connection:
+        await connection.run_sync(do_run_migrations)
+
+def run_migrations_online() -> None:
+    asyncio.run(run_async_migrations())
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()
diff --git a/alembic/script.py.mako b/alembic/script.py.mako
new file mode 100644
index 0000000000000000000000000000000000000000..55df2863d206fa1678abb4c92e90c45d3f85c114
--- /dev/null
+++ b/alembic/script.py.mako
@@ -0,0 +1,24 @@
+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade() -> None:
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade() -> None:
+    ${downgrades if downgrades else "pass"}
diff --git a/alembic/versions/__pycache__/c006e8463eb4_init_db.cpython-311.pyc b/alembic/versions/__pycache__/c006e8463eb4_init_db.cpython-311.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..0319cdb37614fc26b4fe4f16cbfae3f5808af212
Binary files /dev/null and b/alembic/versions/__pycache__/c006e8463eb4_init_db.cpython-311.pyc differ
diff --git a/alembic/versions/c006e8463eb4_init_db.py b/alembic/versions/c006e8463eb4_init_db.py
new file mode 100644
index 0000000000000000000000000000000000000000..8e1a2cbbb561b371239329ff196e48711170f83f
--- /dev/null
+++ b/alembic/versions/c006e8463eb4_init_db.py
@@ -0,0 +1,62 @@
+"""init_db
+
+Revision ID: c006e8463eb4
+Revises: 
+Create Date: 2023-07-27 19:13:13.567144
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'c006e8463eb4'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('categorias',
+    sa.Column('pk_id', sa.Integer(), nullable=False),
+    sa.Column('nome', sa.String(length=50), nullable=False),
+    sa.Column('id', sa.UUID(), nullable=False),
+    sa.PrimaryKeyConstraint('pk_id'),
+    sa.UniqueConstraint('nome')
+    )
+    op.create_table('centros_treinamento',
+    sa.Column('pk_id', sa.Integer(), nullable=False),
+    sa.Column('nome', sa.String(length=50), nullable=False),
+    sa.Column('endereco', sa.String(length=60), nullable=False),
+    sa.Column('proprietario', sa.String(length=30), nullable=False),
+    sa.Column('id', sa.UUID(), nullable=False),
+    sa.PrimaryKeyConstraint('pk_id'),
+    sa.UniqueConstraint('nome')
+    )
+    op.create_table('atletas',
+    sa.Column('pk_id', sa.Integer(), nullable=False),
+    sa.Column('nome', sa.String(length=50), nullable=False),
+    sa.Column('cpf', sa.String(length=11), nullable=False),
+    sa.Column('idade', sa.Integer(), nullable=False),
+    sa.Column('peso', sa.Float(), nullable=False),
+    sa.Column('altura', sa.Float(), nullable=False),
+    sa.Column('sexo', sa.String(length=1), nullable=False),
+    sa.Column('created_at', sa.DateTime(), nullable=False),
+    sa.Column('categoria_id', sa.Integer(), nullable=False),
+    sa.Column('centro_treinamento_id', sa.Integer(), nullable=False),
+    sa.Column('id', sa.UUID(), nullable=False),
+    sa.ForeignKeyConstraint(['categoria_id'], ['categorias.pk_id'], ),
+    sa.ForeignKeyConstraint(['centro_treinamento_id'], ['centros_treinamento.pk_id'], ),
+    sa.PrimaryKeyConstraint('pk_id'),
+    sa.UniqueConstraint('cpf')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('atletas')
+    op.drop_table('centros_treinamento')
+    op.drop_table('categorias')
+    # ### end Alembic commands ###
diff --git a/entrypoint.sh b/entrypoint.sh
new file mode 100644
index 0000000000000000000000000000000000000000..31cb7c0fb726246a74be7165f904a695b346e4fc
--- /dev/null
+++ b/entrypoint.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+# Inicia o serviço Postgres em background
+service postgresql start
+
+# Aguarda o banco de dados subir
+sleep 5
+
+# Cria usuário e o banco, se não existirem (idempotente)
+su - postgres -c "psql -c \"CREATE USER $POSTGRES_USER WITH PASSWORD '$POSTGRES_PASSWORD';\"" 2>/dev/null
+su - postgres -c "psql -c \"CREATE DATABASE $POSTGRES_DB OWNER $POSTGRES_USER;\"" 2>/dev/null
+
+# Exporta a variável DATABASE_URL para Alembic/FastAPI encontrarem
+export DATABASE_URL="postgresql+asyncpg://$POSTGRES_USER:$POSTGRES_PASSWORD@localhost:5432/$POSTGRES_DB"
+
+# Roda as migrations para criar o schema (Alembic via Makefile)
+make run-migrations
+
+# Inicia a FastAPI via Makefile (roda em 0.0.0.0:7860)
+make run
diff --git a/mer.jpg b/mer.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..e503bbb38495e1abcdb6b1a5805ceece639624e3
--- /dev/null
+++ b/mer.jpg
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:40117e2eb9366a58683f2f0dcb374b4cf4f6019494652641f8203ec113bf57ed
+size 123652
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ebb5aba79047664029474321e26a0a301710c2f6
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,20 @@
+alembic==1.11.1
+annotated-types==0.5.0
+anyio==3.7.1
+asyncpg==0.28.0
+click==8.1.6
+fastapi==0.100.1
+greenlet==2.0.2
+h11==0.14.0
+idna==3.4
+Mako==1.2.4
+MarkupSafe==2.1.3
+pydantic==2.1.1
+pydantic_core==2.4.0
+sniffio==1.3.0
+SQLAlchemy==2.0.19
+starlette==0.27.0
+typing_extensions==4.15.0
+uvicorn==0.23.1
+pydantic-settings==2.0.3
+fastapi-pagination==0.14.3
diff --git a/workout_api/__init__.py b/workout_api/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..53257f1ec3beaff20d3faab9fa0181906fdba61a
--- /dev/null
+++ b/workout_api/__init__.py
@@ -0,0 +1,3 @@
+from workout_api.categorias.models import CategoriaModel
+from workout_api.centro_treinamento.models import CentroTreinamentoModel
+from workout_api.atleta.models import AtletaModel
\ No newline at end of file
diff --git a/workout_api/__pycache__/__init__.cpython-311.pyc b/workout_api/__pycache__/__init__.cpython-311.pyc
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index 0000000000000000000000000000000000000000..ede3abec846c32c1054660080a931e3167c2f1c7
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diff --git a/workout_api/__pycache__/main.cpython-311.pyc b/workout_api/__pycache__/main.cpython-311.pyc
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index 0000000000000000000000000000000000000000..79957f50d324736f4da5aa3b00a65042a6c37eb8
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diff --git a/workout_api/__pycache__/routers.cpython-311.pyc b/workout_api/__pycache__/routers.cpython-311.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..73dcc3ad27135dfda93c7413e10095f5bf4cc8ca
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diff --git a/workout_api/atleta/__init__.py b/workout_api/atleta/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/workout_api/atleta/__pycache__/__init__.cpython-311.pyc b/workout_api/atleta/__pycache__/__init__.cpython-311.pyc
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diff --git a/workout_api/atleta/__pycache__/controller.cpython-311.pyc b/workout_api/atleta/__pycache__/controller.cpython-311.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..52bed8b224021ab9ac436558bad979dbdb23ad00
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diff --git a/workout_api/atleta/__pycache__/models.cpython-311.pyc b/workout_api/atleta/__pycache__/models.cpython-311.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..fff890486fc0fd03f0a9091a7887c95f27dc811c
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diff --git a/workout_api/atleta/__pycache__/schemas.cpython-311.pyc b/workout_api/atleta/__pycache__/schemas.cpython-311.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..57b58e20f6d5d5ac6a953e49c5fdd37e993c41c6
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diff --git a/workout_api/atleta/controller.py b/workout_api/atleta/controller.py
new file mode 100644
index 0000000000000000000000000000000000000000..39486d8d5f77539770b712331c6335e57f955783
--- /dev/null
+++ b/workout_api/atleta/controller.py
@@ -0,0 +1,177 @@
+from datetime import datetime
+from uuid import uuid4
+from fastapi import APIRouter, Body, HTTPException, Query, status
+from sqlalchemy.exc import IntegrityError
+from sqlalchemy.orm import selectinload
+from pydantic import UUID4
+from fastapi_pagination import Page, paginate
+
+from workout_api.atleta.schemas import AtletaIn, AtletaOut, AtletaUpdate, AtletaCustomOut
+from workout_api.atleta.models import AtletaModel
+from workout_api.categorias.models import CategoriaModel
+from workout_api.centro_treinamento.models import CentroTreinamentoModel
+
+from workout_api.contrib.dependencies import DatabaseDependency
+from sqlalchemy.future import select
+
+router = APIRouter()
+
+@router.post(
+    '/', 
+    summary='Criar um novo atleta',
+    status_code=status.HTTP_201_CREATED,
+    response_model=AtletaOut
+)
+async def post(
+    db_session: DatabaseDependency, 
+    atleta_in: AtletaIn = Body(...)
+):
+    categoria_nome = atleta_in.categoria.nome
+    centro_treinamento_nome = atleta_in.centro_treinamento.nome
+
+    categoria = (await db_session.execute(
+        select(CategoriaModel).filter_by(nome=categoria_nome))
+    ).scalars().first()
+    
+    if not categoria:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST, 
+            detail=f'A categoria {categoria_nome} não foi encontrada.'
+        )
+    
+    centro_treinamento = (await db_session.execute(
+        select(CentroTreinamentoModel).filter_by(nome=centro_treinamento_nome))
+    ).scalars().first()
+    
+    if not centro_treinamento:
+        raise HTTPException(
+            status_code=status.HTTP_400_BAD_REQUEST, 
+            detail=f'O centro de treinamento {centro_treinamento_nome} não foi encontrado.'
+        )
+    try:
+        atleta_model = AtletaModel(
+            **atleta_in.model_dump(exclude={'categoria', 'centro_treinamento'}), 
+            categoria_id=categoria.pk_id, 
+            centro_treinamento_id=centro_treinamento.pk_id,
+            created_at=datetime.utcnow()
+        )
+        
+        db_session.add(atleta_model)
+        await db_session.commit()
+        await db_session.refresh(atleta_model)
+    except IntegrityError:
+        await db_session.rollback()
+        raise HTTPException(
+            status_code=status.HTTP_303_SEE_OTHER,
+            detail=f"Já existe um atleta cadastrado com o cpf: {atleta_in.cpf}"
+        )
+    except Exception as e:
+        await db_session.rollback()
+        raise HTTPException(
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            detail=f'Ocorreu um erro ao inserir os dados no banco: {e}'
+        )
+
+    return AtletaOut.model_validate(atleta_model)
+
+
+@router.get(
+    '/', 
+    summary='Consultar Atletas com filtros e paginação',
+    status_code=status.HTTP_200_OK,
+    response_model=Page[AtletaCustomOut],
+)
+async def query(
+    db_session: DatabaseDependency,
+    nome: str | None = Query(None, description="Filtrar atleta por nome"),
+    cpf: str | None = Query(None, description="Filtrar atleta por CPF")
+) -> Page[AtletaCustomOut]:
+    stmt = select(AtletaModel).options(
+        selectinload(AtletaModel.categoria),
+        selectinload(AtletaModel.centro_treinamento)
+    )
+
+    if nome:
+        stmt = stmt.where(AtletaModel.nome.ilike(f"%{nome}%"))
+    
+    if cpf:
+        stmt = stmt.where(AtletaModel.cpf == cpf)
+
+    atletas: list[AtletaModel] = (await db_session.execute(stmt)).scalars().all()
+
+    atletas_custom = [
+        AtletaCustomOut(
+            nome=atleta.nome,
+            categoria=atleta.categoria.nome,
+            centro_treinamento=atleta.centro_treinamento.nome
+        ) for atleta in atletas
+    ]
+
+    return paginate(atletas_custom)
+
+
+@router.get(
+    '/{id}', 
+    summary='Consulta um Atleta pelo id',
+    status_code=status.HTTP_200_OK,
+    response_model=AtletaOut,
+)
+async def get(id: UUID4, db_session: DatabaseDependency) -> AtletaOut:
+    atleta_model: AtletaModel | None = (
+        await db_session.execute(select(AtletaModel).filter_by(id=id))
+    ).scalars().first()
+
+    if not atleta_model:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND, 
+            detail=f'Atleta não encontrado no id: {id}'
+        )
+    
+    return AtletaOut.model_validate(atleta_model)
+
+
+@router.patch(
+    '/{id}', 
+    summary='Editar um Atleta pelo id',
+    status_code=status.HTTP_200_OK,
+    response_model=AtletaOut,
+)
+async def patch(id: UUID4, db_session: DatabaseDependency, atleta_up: AtletaUpdate = Body(...)) -> AtletaOut:
+    atleta_model: AtletaModel | None = (
+        await db_session.execute(select(AtletaModel).filter_by(id=id))
+    ).scalars().first()
+
+    if not atleta_model:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND, 
+            detail=f'Atleta não encontrado no id: {id}'
+        )
+    
+    atleta_update = atleta_up.model_dump(exclude_unset=True)
+    for key, value in atleta_update.items():
+        setattr(atleta_model, key, value)
+
+    await db_session.commit()
+    await db_session.refresh(atleta_model)
+
+    return AtletaOut.model_validate(atleta_model)
+
+
+@router.delete(
+    '/{id}', 
+    summary='Deletar um Atleta pelo id',
+    status_code=status.HTTP_204_NO_CONTENT
+)
+async def delete(id: UUID4, db_session: DatabaseDependency) -> None:
+    atleta_model: AtletaModel | None = (
+        await db_session.execute(select(AtletaModel).filter_by(id=id))
+    ).scalars().first()
+
+    if not atleta_model:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND, 
+            detail=f'Atleta não encontrado no id: {id}'
+        )
+    
+    await db_session.delete(atleta_model)
+    await db_session.commit()
diff --git a/workout_api/atleta/models.py b/workout_api/atleta/models.py
new file mode 100644
index 0000000000000000000000000000000000000000..06262d833d4df1617cff5547ca9fd65f717df126
--- /dev/null
+++ b/workout_api/atleta/models.py
@@ -0,0 +1,21 @@
+from datetime import datetime
+from sqlalchemy import DateTime, ForeignKey, Integer, String, Float
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+from workout_api.contrib.models import BaseModel
+
+
+class AtletaModel(BaseModel):
+    __tablename__ = 'atletas'
+
+    pk_id: Mapped[int] = mapped_column(Integer, primary_key=True)
+    nome: Mapped[str] = mapped_column(String(50), nullable=False)
+    cpf: Mapped[str] = mapped_column(String(11), unique=True, nullable=False)
+    idade: Mapped[int] = mapped_column(Integer, nullable=False)
+    peso: Mapped[float] = mapped_column(Float, nullable=False)
+    altura: Mapped[float] = mapped_column(Float, nullable=False)
+    sexo: Mapped[str] = mapped_column(String(1), nullable=False)
+    created_at: Mapped[datetime] = mapped_column(DateTime, nullable=False)
+    categoria: Mapped['CategoriaModel'] = relationship(back_populates="atletas", lazy='selectin')
+    categoria_id: Mapped[int] = mapped_column(ForeignKey("categorias.pk_id"))
+    centro_treinamento: Mapped['CentroTreinamentoModel'] = relationship(back_populates="atletas", lazy='selectin')
+    centro_treinamento_id: Mapped[int] = mapped_column(ForeignKey("centros_treinamento.pk_id"))
\ No newline at end of file
diff --git a/workout_api/atleta/schemas.py b/workout_api/atleta/schemas.py
new file mode 100644
index 0000000000000000000000000000000000000000..a8cb517940f13498796450e46a02e4be1d87502b
--- /dev/null
+++ b/workout_api/atleta/schemas.py
@@ -0,0 +1,36 @@
+from typing import Annotated, Optional
+from pydantic import Field, PositiveFloat, BaseModel
+from workout_api.categorias.schemas import CategoriaIn
+from workout_api.centro_treinamento.schemas import CentroTreinamentoAtleta
+
+from workout_api.contrib.schemas import BaseSchema, OutMixin
+
+
+class Atleta(BaseSchema):
+    nome: Annotated[str, Field(description='Nome do atleta', example='Joao', max_length=50)]
+    cpf: Annotated[str, Field(description='CPF do atleta', example='12345678900', max_length=11)]
+    idade: Annotated[int, Field(description='Idade do atleta', example=25)]
+    peso: Annotated[PositiveFloat, Field(description='Peso do atleta', example=75.5)]
+    altura: Annotated[PositiveFloat, Field(description='Altura do atleta', example=1.70)]
+    sexo: Annotated[str, Field(description='Sexo do atleta', example='M', max_length=1)]
+    categoria: Annotated[CategoriaIn, Field(description='Categoria do atleta')]
+    centro_treinamento: Annotated[CentroTreinamentoAtleta, Field(description='Centro de treinamento do atleta')]
+
+
+class AtletaIn(Atleta):
+    pass
+
+
+class AtletaOut(Atleta, OutMixin):
+    pass
+
+class AtletaUpdate(BaseSchema):
+    nome: Annotated[Optional[str], Field(None, description='Nome do atleta', example='Joao', max_length=50)]
+    idade: Annotated[Optional[int], Field(None, description='Idade do atleta', example=25)]
+
+
+# NOVO: Response customizado para GET all paginado e filtros
+class AtletaCustomOut(BaseModel):
+    nome: str
+    categoria: str
+    centro_treinamento: str
\ No newline at end of file
diff --git a/workout_api/categorias/__init__.py b/workout_api/categorias/__init__.py
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diff --git a/workout_api/categorias/controller.py b/workout_api/categorias/controller.py
new file mode 100644
index 0000000000000000000000000000000000000000..66ba1f536b639df189ba4fddb1f10f0915c45355
--- /dev/null
+++ b/workout_api/categorias/controller.py
@@ -0,0 +1,66 @@
+from fastapi import APIRouter, Body, HTTPException, status
+from pydantic import UUID4
+from workout_api.categorias.schemas import CategoriaIn, CategoriaOut
+from workout_api.categorias.models import CategoriaModel
+
+from workout_api.contrib.dependencies import DatabaseDependency
+from sqlalchemy.future import select
+from sqlalchemy.exc import IntegrityError
+
+router = APIRouter()
+
+@router.post(
+    '/', 
+    summary='Criar uma nova Categoria',
+    status_code=status.HTTP_201_CREATED,
+    response_model=CategoriaOut,
+)
+async def post(
+    db_session: DatabaseDependency, 
+    categoria_in: CategoriaIn = Body(...)
+) -> CategoriaOut:
+    categoria_model = CategoriaModel(**categoria_in.model_dump())
+    try:
+        db_session.add(categoria_model)
+        await db_session.commit()
+        await db_session.refresh(categoria_model)
+    except IntegrityError:
+        await db_session.rollback()
+        raise HTTPException(
+            status_code=status.HTTP_303_SEE_OTHER,
+            detail=f"Já existe uma categoria cadastrada com o nome: {categoria_in.nome}"
+        )
+
+    return CategoriaOut.model_validate(categoria_model)
+    
+    
+@router.get(
+    '/', 
+    summary='Consultar todas as Categorias',
+    status_code=status.HTTP_200_OK,
+    response_model=list[CategoriaOut],
+)
+async def query(db_session: DatabaseDependency) -> list[CategoriaOut]:
+    categorias: list[CategoriaModel] = (await db_session.execute(select(CategoriaModel))).scalars().all()
+    
+    return [CategoriaOut.model_validate(cat) for cat in categorias]
+
+
+@router.get(
+    '/{id}', 
+    summary='Consulta uma Categoria pelo id',
+    status_code=status.HTTP_200_OK,
+    response_model=CategoriaOut,
+)
+async def get(id: UUID4, db_session: DatabaseDependency) -> CategoriaOut:
+    categoria: CategoriaModel | None = (
+        await db_session.execute(select(CategoriaModel).filter_by(id=id))
+    ).scalars().first()
+
+    if not categoria:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND, 
+            detail=f'Categoria não encontrada no id: {id}'
+        )
+    
+    return CategoriaOut.model_validate(categoria)
\ No newline at end of file
diff --git a/workout_api/categorias/models.py b/workout_api/categorias/models.py
new file mode 100644
index 0000000000000000000000000000000000000000..9019700848adb4ac56d1ddacbfae65e0f4ce8b40
--- /dev/null
+++ b/workout_api/categorias/models.py
@@ -0,0 +1,10 @@
+from sqlalchemy import Integer, String
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+from workout_api.contrib.models import BaseModel
+
+class CategoriaModel(BaseModel):
+    __tablename__ = 'categorias'
+
+    pk_id: Mapped[int] = mapped_column(Integer, primary_key=True)
+    nome: Mapped[str] = mapped_column(String(50), unique=True, nullable=False)
+    atletas: Mapped[list['AtletaModel']] = relationship(back_populates="categoria")
\ No newline at end of file
diff --git a/workout_api/categorias/schemas.py b/workout_api/categorias/schemas.py
new file mode 100644
index 0000000000000000000000000000000000000000..b384e3289c96d35eeed52eaad43208e6cb16f187
--- /dev/null
+++ b/workout_api/categorias/schemas.py
@@ -0,0 +1,13 @@
+from typing import Annotated
+
+from pydantic import UUID4, Field
+from workout_api.contrib.schemas import BaseSchema
+
+
+class CategoriaIn(BaseSchema):
+    nome: Annotated[str, Field(description='Nome da categoria', example='Scale', max_length=10)]
+
+
+class CategoriaOut(CategoriaIn):
+    id: Annotated[UUID4, Field(description='Identificador da categoria')]
+
diff --git a/workout_api/centro_treinamento/__init__.py b/workout_api/centro_treinamento/__init__.py
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diff --git a/workout_api/centro_treinamento/controller.py b/workout_api/centro_treinamento/controller.py
new file mode 100644
index 0000000000000000000000000000000000000000..a3dd87b71dba860299dbafbe080d9774f46f5431
--- /dev/null
+++ b/workout_api/centro_treinamento/controller.py
@@ -0,0 +1,68 @@
+from fastapi import APIRouter, Body, HTTPException, status
+from pydantic import UUID4
+from workout_api.centro_treinamento.schemas import CentroTreinamentoIn, CentroTreinamentoOut
+from workout_api.centro_treinamento.models import CentroTreinamentoModel
+
+from workout_api.contrib.dependencies import DatabaseDependency
+from sqlalchemy.future import select
+from sqlalchemy.exc import IntegrityError
+
+router = APIRouter()
+
+@router.post(
+    '/', 
+    summary='Criar um novo Centro de treinamento',
+    status_code=status.HTTP_201_CREATED,
+    response_model=CentroTreinamentoOut,
+)
+async def post(
+    db_session: DatabaseDependency, 
+    centro_treinamento_in: CentroTreinamentoIn = Body(...)
+) -> CentroTreinamentoOut:
+    centro_treinamento_model = CentroTreinamentoModel(**centro_treinamento_in.model_dump())
+    try:
+        db_session.add(centro_treinamento_model)
+        await db_session.commit()
+        await db_session.refresh(centro_treinamento_model)
+    except IntegrityError:
+        await db_session.rollback()
+        raise HTTPException(
+            status_code=status.HTTP_303_SEE_OTHER,
+            detail=f"Já existe um centro de treinamento cadastrado com o nome: {centro_treinamento_in.nome}"
+        )
+
+    return CentroTreinamentoOut.model_validate(centro_treinamento_model)
+    
+    
+@router.get(
+    '/', 
+    summary='Consultar todos os centros de treinamento',
+    status_code=status.HTTP_200_OK,
+    response_model=list[CentroTreinamentoOut],
+)
+async def query(db_session: DatabaseDependency) -> list[CentroTreinamentoOut]:
+    centros_treinamento: list[CentroTreinamentoModel] = (
+        await db_session.execute(select(CentroTreinamentoModel))
+    ).scalars().all()
+    
+    return [CentroTreinamentoOut.model_validate(ct) for ct in centros_treinamento]
+
+
+@router.get(
+    '/{id}', 
+    summary='Consulta um centro de treinamento pelo id',
+    status_code=status.HTTP_200_OK,
+    response_model=CentroTreinamentoOut,
+)
+async def get(id: UUID4, db_session: DatabaseDependency) -> CentroTreinamentoOut:
+    centro_treinamento: CentroTreinamentoModel | None = (
+        await db_session.execute(select(CentroTreinamentoModel).filter_by(id=id))
+    ).scalars().first()
+
+    if not centro_treinamento:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND, 
+            detail=f'Centro de treinamento não encontrado no id: {id}'
+        )
+    
+    return CentroTreinamentoOut.model_validate(centro_treinamento)
\ No newline at end of file
diff --git a/workout_api/centro_treinamento/models.py b/workout_api/centro_treinamento/models.py
new file mode 100644
index 0000000000000000000000000000000000000000..58f735d2ccf8b3aa106b06dd70a396578ac5c421
--- /dev/null
+++ b/workout_api/centro_treinamento/models.py
@@ -0,0 +1,12 @@
+from sqlalchemy import Integer, String
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+from workout_api.contrib.models import BaseModel
+
+class CentroTreinamentoModel(BaseModel):
+    __tablename__ = 'centros_treinamento'
+
+    pk_id: Mapped[int] = mapped_column(Integer, primary_key=True)
+    nome: Mapped[str] = mapped_column(String(50), unique=True, nullable=False)
+    endereco: Mapped[str] = mapped_column(String(60), nullable=False)
+    proprietario: Mapped[str] = mapped_column(String(30), nullable=False)
+    atletas: Mapped[list['AtletaModel']] = relationship(back_populates="centro_treinamento")
\ No newline at end of file
diff --git a/workout_api/centro_treinamento/schemas.py b/workout_api/centro_treinamento/schemas.py
new file mode 100644
index 0000000000000000000000000000000000000000..449bf55d23d7b07d0bd36baac90706d335db0785
--- /dev/null
+++ b/workout_api/centro_treinamento/schemas.py
@@ -0,0 +1,18 @@
+from typing import Annotated
+
+from pydantic import Field, UUID4
+from workout_api.contrib.schemas import BaseSchema
+
+
+class CentroTreinamentoIn(BaseSchema):
+    nome: Annotated[str, Field(description='Nome do centro de treinamento', example='CT King', max_length=20)]
+    endereco: Annotated[str, Field(description='Endereço do centro de treinamento', example='Rua X, Q02', max_length=60)]
+    proprietario: Annotated[str, Field(description='Proprietario do centro de treinamento', example='Marcos', max_length=30)]
+
+
+class CentroTreinamentoAtleta(BaseSchema):
+    nome: Annotated[str, Field(description='Nome do centro de treinamento', example='CT King', max_length=20)]
+
+
+class CentroTreinamentoOut(CentroTreinamentoIn):
+    id: Annotated[UUID4, Field(description='Identificador do centro de treinamento')]    
\ No newline at end of file
diff --git a/workout_api/configs/__init__.py b/workout_api/configs/__init__.py
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diff --git a/workout_api/configs/database.py b/workout_api/configs/database.py
new file mode 100644
index 0000000000000000000000000000000000000000..327fac7c996ed3874900c5ad28be322ab88b0d01
--- /dev/null
+++ b/workout_api/configs/database.py
@@ -0,0 +1,15 @@
+from typing import AsyncGenerator
+
+from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine
+from sqlalchemy.orm import sessionmaker
+from workout_api.configs.settings import settings
+
+
+engine = create_async_engine(settings.DB_URL, echo=False)
+async_session = sessionmaker(
+    engine, class_=AsyncSession, expire_on_commit=False
+)
+
+async def get_session() -> AsyncGenerator:
+    async with async_session() as session:
+        yield session
\ No newline at end of file
diff --git a/workout_api/configs/settings.py b/workout_api/configs/settings.py
new file mode 100644
index 0000000000000000000000000000000000000000..0f6452e27e71a056542aaa5ce8e98ef8a37da1bf
--- /dev/null
+++ b/workout_api/configs/settings.py
@@ -0,0 +1,8 @@
+from pydantic import Field
+from pydantic_settings import BaseSettings
+
+class Settings(BaseSettings):
+    DB_URL: str = Field(default='postgresql+asyncpg://workout:workout@localhost/workout')
+
+
+settings = Settings()
\ No newline at end of file
diff --git a/workout_api/contrib/__init__.py b/workout_api/contrib/__init__.py
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diff --git a/workout_api/contrib/dependencies.py b/workout_api/contrib/dependencies.py
new file mode 100644
index 0000000000000000000000000000000000000000..354f444abf395ec048b1f2cd70d346933c2e85be
--- /dev/null
+++ b/workout_api/contrib/dependencies.py
@@ -0,0 +1,8 @@
+from typing import Annotated
+from fastapi import Depends
+
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from workout_api.configs.database import get_session
+
+DatabaseDependency = Annotated[AsyncSession, Depends(get_session)]
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diff --git a/workout_api/contrib/models.py b/workout_api/contrib/models.py
new file mode 100644
index 0000000000000000000000000000000000000000..1fb30b9a0852ca24b5b059e66a7bcdb11a4da127
--- /dev/null
+++ b/workout_api/contrib/models.py
@@ -0,0 +1,8 @@
+from uuid import uuid4
+from sqlalchemy import UUID
+from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
+from sqlalchemy.dialects.postgresql import UUID as PG_UUID
+
+
+class BaseModel(DeclarativeBase):
+    id: Mapped[UUID] = mapped_column(PG_UUID(as_uuid=True), default=uuid4, nullable=False)
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diff --git a/workout_api/contrib/repository/__init__.py b/workout_api/contrib/repository/__init__.py
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diff --git a/workout_api/contrib/repository/__pycache__/__init__.cpython-311.pyc b/workout_api/contrib/repository/__pycache__/__init__.cpython-311.pyc
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diff --git a/workout_api/contrib/repository/__pycache__/models.cpython-311.pyc b/workout_api/contrib/repository/__pycache__/models.cpython-311.pyc
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diff --git a/workout_api/contrib/repository/models.py b/workout_api/contrib/repository/models.py
new file mode 100644
index 0000000000000000000000000000000000000000..72c71dee15f696b53e7b16ab317bbc553bc6c305
--- /dev/null
+++ b/workout_api/contrib/repository/models.py
@@ -0,0 +1,3 @@
+from workout_api.categorias.models import CategoriaModel
+from workout_api.atleta.models import AtletaModel
+from workout_api.centro_treinamento.models import CentroTreinamentoModel
diff --git a/workout_api/contrib/schemas.py b/workout_api/contrib/schemas.py
new file mode 100644
index 0000000000000000000000000000000000000000..5413f64e351f0aa182aeaba2e064d3285c9725e6
--- /dev/null
+++ b/workout_api/contrib/schemas.py
@@ -0,0 +1,14 @@
+from typing import Annotated
+from pydantic import UUID4, BaseModel, Field
+from datetime import datetime
+
+
+class BaseSchema(BaseModel):
+    class Config:
+        extra = 'forbid'
+        from_attributes = True
+
+
+class OutMixin(BaseSchema):
+    id: Annotated[UUID4, Field(description='Identificador')]
+    created_at: Annotated[datetime, Field(description='Data de criação')]         
\ No newline at end of file
diff --git a/workout_api/main.py b/workout_api/main.py
new file mode 100644
index 0000000000000000000000000000000000000000..fc23f7c73485c5153f984d1d50591cf708559112
--- /dev/null
+++ b/workout_api/main.py
@@ -0,0 +1,7 @@
+from fastapi import FastAPI
+from workout_api.routers import api_router
+from fastapi_pagination import add_pagination
+
+app = FastAPI(title='WorkoutApi')
+app.include_router(api_router)
+add_pagination(app)
\ No newline at end of file
diff --git a/workout_api/routers.py b/workout_api/routers.py
new file mode 100644
index 0000000000000000000000000000000000000000..e1a8f253dc964fceb41f96129719069db633c496
--- /dev/null
+++ b/workout_api/routers.py
@@ -0,0 +1,9 @@
+from fastapi import APIRouter
+from workout_api.atleta.controller import router as atleta
+from workout_api.categorias.controller import router as categorias
+from workout_api.centro_treinamento.controller import router as centro_treinamento
+
+api_router = APIRouter()
+api_router.include_router(atleta, prefix='/atletas', tags=['atletas'])
+api_router.include_router(categorias, prefix='/categorias', tags=['categorias'])
+api_router.include_router(centro_treinamento, prefix='/centros_treinamento', tags=['centros_treinamento'])
\ No newline at end of file