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README

          

# hui

This project was generated using fastapi_template.

## Poetry

This project uses poetry. It's a modern dependency management
tool.

To run the project use this set of commands:

```bash
poetry install
poetry run python -m hui
```

This will start the server on the configured host.

You can find swagger documentation at `/api/docs`.

You can read more about poetry here: https://python-poetry.org/

## Docker

You can start the project with docker using this command:

```bash
docker-compose up --build
```

If you want to develop in docker with autoreload and exposed ports add `-f deploy/docker-compose.dev.yml` to your docker command.
Like this:

```bash
docker-compose -f docker-compose.yml -f deploy/docker-compose.dev.yml --project-directory . up --build
```

This command exposes the web application on port 8000, mounts current directory and enables autoreload.

But you have to rebuild image every time you modify `poetry.lock` or `pyproject.toml` with this command:

```bash
docker-compose build
```

## Project structure

```bash
$ tree "hui"
hui
├── conftest.py # Fixtures for all tests.
├── db # module contains db configurations
│   ├── dao # Data Access Objects. Contains different classes to interact with database.
│   └── models # Package contains different models for ORMs.
├── __main__.py # Startup script. Starts uvicorn.
├── services # Package for different external services such as rabbit or redis etc.
├── settings.py # Main configuration settings for project.
├── static # Static content.
├── tests # Tests for project.
└── web # Package contains web server. Handlers, startup config.
├── api # Package with all handlers.
│   └── router.py # Main router.
├── application.py # FastAPI application configuration.
└── lifespan.py # Contains actions to perform on startup and shutdown.
```

## Configuration

This application can be configured with environment variables.

You can create `.env` file in the root directory and place all
environment variables here.

All environment variables should start with "HUI_" prefix.

For example if you see in your "hui/settings.py" a variable named like
`random_parameter`, you should provide the "HUI_RANDOM_PARAMETER"
variable to configure the value. This behaviour can be changed by overriding `env_prefix` property
in `hui.settings.Settings.Config`.

An example of .env file:
```bash
HUI_RELOAD="True"
HUI_PORT="8000"
HUI_ENVIRONMENT="dev"
```

You can read more about BaseSettings class here: https://pydantic-docs.helpmanual.io/usage/settings/

## Pre-commit

To install pre-commit simply run inside the shell:
```bash
pre-commit install
```

pre-commit is very useful to check your code before publishing it.
It's configured using .pre-commit-config.yaml file.

By default it runs:
* black (formats your code);
* mypy (validates types);
* isort (sorts imports in all files);
* flake8 (spots possible bugs);

You can read more about pre-commit here: https://pre-commit.com/

## Migrations

If you want to migrate your database, you should run following commands:
```bash
# To run all migrations until the migration with revision_id.
alembic upgrade ""

# To perform all pending migrations.
alembic upgrade "head"
```

### Reverting migrations

If you want to revert migrations, you should run:
```bash
# revert all migrations up to: revision_id.
alembic downgrade

# Revert everything.
alembic downgrade base
```

### Migration generation

To generate migrations you should run:
```bash
# For automatic change detection.
alembic revision --autogenerate

# For empty file generation.
alembic revision
```

## Running tests

If you want to run it in docker, simply run:

```bash
docker-compose run --build --rm api pytest -vv .
docker-compose down
```

For running tests on your local machine.
1. you need to start a database.

I prefer doing it with docker:
```
docker run -p "5432:5432" -e "POSTGRES_PASSWORD=hui" -e "POSTGRES_USER=hui" -e "POSTGRES_DB=hui" postgres:16.3-bullseye
```

2. Run the pytest.
```bash
pytest -vv .
```