feat: new file structure

src/assistant/.dockerignore

@@ -0,0 +1,2 @@
+.venv
+.env

src/assistant/.env.example

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+POSTGRES_DRIVER=postgresql+asyncpg
+POSTGRES_HOST=db
+POSTGRES_PORT=5432
+POSTGRES_USER=user
+POSTGRES_PASSWORD=Qwe123
+POSTGRES_DB_NAME=api_db
+
+NGINX_PORT=80
+API_HOST=0.0.0.0
+API_PORT=8000
+
+JWT_SECRET_KEY=v9LctjUWwol4XbvczPiLFMDtZ8aal7mm
+JWT_ALGORITHM=HS256
+
+APP_RELOAD=True

src/assistant/Dockerfile

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+FROM python:3.11
+
+RUN apt-get update \
+  && DEBIAN_FRONTEND=noninteractive \
+  && apt-get install -y net-tools netcat-traditional curl \
+  && apt-get clean \
+  && rm -rf /var/lib/apt/lists/*
+
+RUN mkdir --parents /opt/app
+COPY pyproject.toml /opt/app/pyproject.toml
+COPY poetry.lock /opt/app/poetry.lock
+COPY poetry.toml /opt/app/poetry.toml
+
+WORKDIR /opt/app
+
+RUN pip install poetry \    
+    && poetry install --no-dev
+
+COPY bin /opt/app/bin
+COPY lib /opt/app/lib
+COPY entrypoint.sh /opt/app/entrypoint.sh
+
+RUN chmod +x /opt/app/entrypoint.sh

src/assistant/Makefile

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+include ../../common_makefile.mk
+
+PROJECT_FOLDERS = bin lib tests

src/assistant/README.md

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+# Voice Assitant
+
+## Install
+
+1. `make init`
+2. `make all-init``

src/assistant/alembic.ini

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+# A generic, single database configuration.
+
+[alembic]
+# path to migration scripts
+script_location = alembic
+
+# template used to generate migration file names; The default value is %%(rev)s_%%(slug)s
+# Uncomment the line below if you want the files to be prepended with date and time
+# file_template = %%(year)d_%%(month).2d_%%(day).2d_%%(hour).2d%%(minute).2d-%%(rev)s_%%(slug)s
+
+# sys.path path, will be prepended to sys.path if present.
+# defaults to the current working directory.
+prepend_sys_path = .
+
+# timezone to use when rendering the date within the migration file
+# as well as the filename.
+# If specified, requires the python-dateutil library that can be
+# installed by adding `alembic[tz]` to the pip requirements
+# string value is passed to dateutil.tz.gettz()
+# leave blank for localtime
+# timezone =
+
+# max length of characters to apply to the
+# "slug" field
+# truncate_slug_length = 40
+
+# set to 'true' to run the environment during
+# the 'revision' command, regardless of autogenerate
+# revision_environment = false
+
+# set to 'true' to allow .pyc and .pyo files without
+# a source .py file to be detected as revisions in the
+# versions/ directory
+# sourceless = false
+
+# version location specification; This defaults
+# to alembic/versions.  When using multiple version
+# directories, initial revisions must be specified with --version-path.
+# The path separator used here should be the separator specified by "version_path_separator" below.
+# version_locations = %(here)s/bar:%(here)s/bat:alembic/versions
+
+# version path separator; As mentioned above, this is the character used to split
+# version_locations. The default within new alembic.ini files is "os", which uses os.pathsep.
+# If this key is omitted entirely, it falls back to the legacy behavior of splitting on spaces and/or commas.
+# Valid values for version_path_separator are:
+#
+# version_path_separator = :
+# version_path_separator = ;
+# version_path_separator = space
+version_path_separator = os  # Use os.pathsep. Default configuration used for new projects.
+
+# set to 'true' to search source files recursively
+# in each "version_locations" directory
+# new in Alembic version 1.10
+# recursive_version_locations = false
+
+# the output encoding used when revision files
+# are written from script.py.mako
+# output_encoding = utf-8
+
+file_template = %%(year)d-%%(month).2d-%%(day).2d_%%(rev)s_%%(slug)s
+
+
+[post_write_hooks]
+# post_write_hooks defines scripts or Python functions that are run
+# on newly generated revision scripts.  See the documentation for further
+# detail and examples
+
+# format using "black" - use the console_scripts runner, against the "black" entrypoint
+# hooks = black
+# black.type = console_scripts
+# black.entrypoint = black
+# black.options = -l 79 REVISION_SCRIPT_FILENAME
+
+# lint with attempts to fix using "ruff" - use the exec runner, execute a binary
+# hooks = ruff
+# ruff.type = exec
+# ruff.executable = %(here)s/.venv/bin/ruff
+# ruff.options = --fix REVISION_SCRIPT_FILENAME
+
+# Logging configuration
+[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

src/assistant/alembic/README

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+Generic single-database configuration with an async dbapi.

src/assistant/alembic/env.py

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+import asyncio
+from logging.config import fileConfig
+
+from sqlalchemy import pool
+from sqlalchemy.engine import Connection
+from sqlalchemy.ext.asyncio import async_engine_from_config
+
+import lib.app.settings as app_settings
+import lib.models as models
+from alembic import context
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+config.set_main_option("sqlalchemy.url", app_settings.Settings().postgres.dsn)
+
+target_metadata = models.Base.metadata
+
+
+def run_migrations_offline() -> None:
+    """Run migrations in 'offline' mode.
+
+    This configures the context with just a URL
+    and not an Engine, though an Engine is acceptable
+    here as well.  By skipping the Engine creation
+    we don't even need a DBAPI to be available.
+
+    Calls to context.execute() here emit the given string to the
+    script output.
+
+    """
+    url = config.get_main_option("sqlalchemy.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:
+    """In this scenario we need to create an Engine
+    and associate a connection with the context.
+
+    """
+
+    connectable = async_engine_from_config(
+        config.get_section(config.config_ini_section, {}),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    async with connectable.connect() as connection:
+        await connection.run_sync(do_run_migrations)
+
+    await connectable.dispose()
+
+
+def run_migrations_online() -> None:
+    """Run migrations in 'online' mode."""
+
+    asyncio.run(run_async_migrations())
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

src/assistant/alembic/script.py.mako

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+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision: str = ${repr(up_revision)}
+down_revision: Union[str, None] = ${repr(down_revision)}
+branch_labels: Union[str, Sequence[str], None] = ${repr(branch_labels)}
+depends_on: Union[str, Sequence[str], None] = ${repr(depends_on)}
+
+
+def upgrade() -> None:
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade() -> None:
+    ${downgrades if downgrades else "pass"}

src/assistant/alembic/versions/2023-10-02_9749b063b095_added_initial_table.py

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+"""Added initial table
+
+Revision ID: 9749b063b095
+Revises: 
+Create Date: 2023-10-02 19:46:05.078494
+
+"""
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision: str = "9749b063b095"
+down_revision: Union[str, None] = None
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table(
+        "joke",
+        sa.Column("type", sa.String(), nullable=False),
+        sa.Column("setup", sa.String(), nullable=False),
+        sa.Column("punchline", sa.String(), nullable=False),
+        sa.Column("id", sa.Uuid(), nullable=False),
+        sa.PrimaryKeyConstraint("id"),
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table("joke")
+    # ### end Alembic commands ###

src/assistant/bin/__main__.py

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+import asyncio
+import logging
+import os
+
+import lib.app as app
+
+logger = logging.getLogger(__name__)
+
+
+async def run() -> None:
+    settings = app.Settings()
+    application = app.Application.from_settings(settings)
+
+    try:
+        await application.start()
+    finally:
+        await application.dispose()
+
+
+def main() -> None:
+    try:
+        asyncio.run(run())
+        exit(os.EX_OK)
+    except SystemExit:
+        exit(os.EX_OK)
+    except app.ApplicationError:
+        exit(os.EX_SOFTWARE)
+    except KeyboardInterrupt:
+        logger.info("Exited with keyboard interruption")
+        exit(os.EX_OK)
+    except BaseException:
+        logger.exception("Unexpected error occurred")
+        exit(os.EX_SOFTWARE)
+
+
+if __name__ == "__main__":
+    main()

src/assistant/docker-compose.dev.yml

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+version: "3"
+
+services:
+  postgres:
+    image: postgres:15.2
+    restart: always
+    environment:
+      POSTGRES_USER: ${POSTGRES_USER}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
+      POSTGRES_DB: ${POSTGRES_NAME}
+    env_file:
+      - .env
+    ports:
+      - "${POSTGRES_PORT}:${POSTGRES_PORT}"
+    volumes:
+      - postgres_data:/var/lib/postgresql/data/
+    networks:
+      - backend_network
+
+  api:
+    build:
+      context: .
+    container_name: fastapi_app
+    image: fastapi_app
+    restart: always
+    entrypoint: ["/opt/app/entrypoint.sh"]
+    env_file:
+      - .env
+    ports:
+      - "${API_PORT}:${API_PORT}"
+    depends_on:
+      - postgres
+    networks:
+      - backend_network
+      - api_network
+
+  nginx:
+    image: nginx:1.25.1
+    env_file:
+      - .env
+    ports:
+      - "${NGINX_PORT}:${NGINX_PORT}"
+    volumes:
+      - ./nginx/nginx.conf:/etc/nginx/nginx.conf:ro
+      - ./nginx/templates:/etc/nginx/templates
+    depends_on:
+      - api
+    networks:
+      - api_network
+
+volumes:
+  postgres_data:
+
+networks:
+  api_network:
+    driver: bridge
+  backend_network:
+    driver: bridge

src/assistant/docker-compose.yml

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+version: "3"
+
+services:
+  postgres:
+    image: postgres:15.2
+    restart: always
+    environment:
+      POSTGRES_USER: ${POSTGRES_USER}
+      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
+      POSTGRES_DB: ${POSTGRES_NAME}
+    env_file:
+      - .env
+    expose:
+      - "${POSTGRES_PORT}"
+    volumes:
+      - postgres_data:/var/lib/postgresql/data/
+    networks:
+      - backend_network
+
+  api:
+    build:
+      context: .
+    container_name: api
+    image: fastapi_app
+    restart: always
+    entrypoint: ["/opt/app/entrypoint.sh"]
+    env_file:
+      - .env
+    expose:
+      - "${API_PORT}"
+    depends_on:
+      - postgres
+    networks:
+      - backend_network
+      - api_network
+
+  nginx:
+    image: nginx:1.25.1
+    env_file:
+      - .env
+    ports:
+      - "${NGINX_PORT}:${NGINX_PORT}"
+    volumes:
+      - ./nginx/nginx.conf:/etc/nginx/nginx.conf:ro
+      - ./nginx/templates:/etc/nginx/templates
+    depends_on:
+      - api
+    networks:
+      - api_network
+
+volumes:
+  postgres_data:
+
+networks:
+  api_network:
+    driver: bridge
+  backend_network:
+    driver: bridge

src/assistant/entrypoint.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+while ! nc -z postgres 5432; do sleep 1; done;
+
+exec .venv/bin/python -m bin

src/assistant/lib/api/v1/handlers/__init__.py

@@ -0,0 +1,3 @@
+from .health import basic_router
+
+__all__ = ["basic_router"]

src/assistant/lib/api/v1/handlers/health/__init__.py

@@ -0,0 +1,5 @@
+from .liveness_probe import basic_router
+
+__all__ = [
+    "basic_router",
+]

src/assistant/lib/api/v1/handlers/health/liveness_probe.py

@@ -0,0 +1,15 @@
+import fastapi
+
+import lib.api.v1.schemas as api_shemas
+
+basic_router = fastapi.APIRouter()
+
+
+@basic_router.get(
+    "/",
+    response_model=api_shemas.HealthResponse,
+    summary="Статус работоспособности",
+    description="Проверяет доступность сервиса FastAPI.",
+)
+async def health():
+    return api_shemas.HealthResponse(status="healthy")

src/assistant/lib/api/v1/schemas/__init__.py

@@ -0,0 +1,3 @@
+from .base import HealthResponse
+
+__all__ = ["HealthResponse"]

src/assistant/lib/api/v1/schemas/base.py

@@ -0,0 +1,5 @@
+import pydantic
+
+
+class HealthResponse(pydantic.BaseModel):
+    status: str = pydantic.Field(default=..., examples=["healthy"], description="Схема доступности сервиса")

src/assistant/lib/app/__init__.py

@@ -0,0 +1,11 @@
+from .app import Application
+from .errors import *
+from .settings import Settings
+
+__all__ = [
+    "Application",
+    "ApplicationError",
+    "DisposeError",
+    "Settings",
+    "StartServerError",
+]

src/assistant/lib/app/app.py

@@ -0,0 +1,131 @@
+import dataclasses
+import logging
+import logging.config as logging_config
+import typing
+
+import fastapi
+import uvicorn
+
+import lib.api.v1.handlers as api_v1_handlers
+import lib.app.errors as app_errors
+import lib.app.settings as app_settings
+import lib.app.split_settings as app_split_settings
+import lib.clients as clients
+
+logger = logging.getLogger(__name__)
+
+
+@dataclasses.dataclass
+class DisposableResource:
+    name: str
+    dispose_callback: typing.Awaitable[typing.Any]
+
+
+class Application:
+    def __init__(
+        self,
+        settings: app_settings.Settings,
+        fastapi_app: fastapi.FastAPI,
+        disposable_resources: list[DisposableResource],
+    ) -> None:
+        self._settings = settings
+        self._fastapi_app = fastapi_app
+        self._disposable_resources = disposable_resources
+
+    @classmethod
+    def from_settings(cls, settings: app_settings.Settings) -> typing.Self:
+        # Logging
+
+        logging_config.dictConfig(app_split_settings.get_logging_config(**settings.logger.model_dump()))
+
+        logger.info("Initializing application")
+        disposable_resources = []
+
+        # Global clients
+
+        logger.info("Initializing global clients")
+        postgres_client = clients.AsyncPostgresClient(settings=settings)
+
+        disposable_resources.append(
+            DisposableResource(
+                name="postgres_client",
+                dispose_callback=postgres_client.dispose_callback(),
+            )
+        )
+
+        # Clients
+
+        logger.info("Initializing clients")
+
+        # Repositories
+
+        logger.info("Initializing repositories")
+
+        # Caches
+
+        logger.info("Initializing caches")
+
+        # Services
+
+        logger.info("Initializing services")
+
+        # Handlers
+
+        logger.info("Initializing handlers")
+        liveness_probe_handler = api_v1_handlers.basic_router
+
+        logger.info("Creating application")
+
+        fastapi_app = fastapi.FastAPI(
+            title=settings.app.title,
+            version=settings.app.version,
+            docs_url=settings.app.docs_url,
+            openapi_url=settings.app.openapi_url,
+            default_response_class=fastapi.responses.ORJSONResponse,
+        )
+
+        # Routes
+        fastapi_app.include_router(liveness_probe_handler, prefix="/api/v1/health", tags=["health"])
+
+        application = Application(
+            settings=settings,
+            fastapi_app=fastapi_app,
+            disposable_resources=disposable_resources,
+        )
+
+        logger.info("Initializing application finished")
+
+        return application
+
+    async def start(self) -> None:
+        try:
+            config = uvicorn.Config(
+                app=self._fastapi_app,
+                host=self._settings.api.host,
+                port=self._settings.api.port,
+            )
+            server = uvicorn.Server(config)
+            await server.serve()
+        except BaseException as unexpected_error:
+            logger.exception("FastAPI failed to start")
+            raise app_errors.StartServerError("FastAPI failed to start") from unexpected_error
+
+    async def dispose(self) -> None:
+        logger.info("Application is shutting down...")
+        dispose_errors = []
+
+        for resource in self._disposable_resources:
+            logger.info("Disposing %s...", resource.name)
+            try:
+                await resource.dispose_callback
+            except Exception as unexpected_error:
+                dispose_errors.append(unexpected_error)
+                logger.exception("Failed to dispose %s", resource.name)
+            else:
+                logger.info("%s has been disposed", resource.name)
+
+        if len(dispose_errors) != 0:
+            logger.error("Application has shut down with errors")
+            raise app_errors.DisposeError("Application has shut down with errors, see logs above")
+
+        logger.info("Application has successfully shut down")

src/assistant/lib/app/errors.py

@@ -0,0 +1,22 @@
+import typing
+
+
+class ApplicationError(Exception):
+    def __init__(self, message: str, *args: typing.Any) -> None:
+        super().__init__(*args)
+        self.message = message
+
+
+class DisposeError(ApplicationError):
+    pass
+
+
+class StartServerError(ApplicationError):
+    pass
+
+
+__all__ = [
+    "ApplicationError",
+    "DisposeError",
+    "StartServerError",
+]

src/assistant/lib/app/logger.py

@@ -0,0 +1,69 @@
+import pydantic_settings
+
+
+class LoggingSettings(pydantic_settings.BaseSettings):
+    log_format: str = "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
+    log_default_handlers: list[str] = [
+        "console",
+    ]
+
+    log_level_handlers: str = "DEBUG"
+    log_level_loggers: str = "INFO"
+    log_level_root: str = "INFO"
+
+
+log_settings = LoggingSettings()
+
+
+LOGGING = {
+    "version": 1,
+    "disable_existing_loggers": False,
+    "formatters": {
+        "verbose": {"format": log_settings.log_format},
+        "default": {
+            "()": "uvicorn.logging.DefaultFormatter",
+            "fmt": "%(levelprefix)s %(message)s",
+            "use_colors": None,
+        },
+        "access": {
+            "()": "uvicorn.logging.AccessFormatter",
+            "fmt": "%(levelprefix)s %(client_addr)s - '%(request_line)s' %(status_code)s",
+        },
+    },
+    "handlers": {
+        "console": {
+            "level": log_settings.log_level_handlers,
+            "class": "logging.StreamHandler",
+            "formatter": "verbose",
+        },
+        "default": {
+            "formatter": "default",
+            "class": "logging.StreamHandler",
+            "stream": "ext://sys.stdout",
+        },
+        "access": {
+            "formatter": "access",
+            "class": "logging.StreamHandler",
+            "stream": "ext://sys.stdout",
+        },
+    },
+    "loggers": {
+        "": {
+            "handlers": log_settings.log_default_handlers,
+            "level": log_settings.log_level_loggers,
+        },
+        "uvicorn.error": {
+            "level": log_settings.log_level_loggers,
+        },
+        "uvicorn.access": {
+            "handlers": ["access"],
+            "level": log_settings.log_level_loggers,
+            "propagate": False,
+        },
+    },
+    "root": {
+        "level": log_settings.log_level_root,
+        "formatter": "verbose",
+        "handlers": log_settings.log_default_handlers,
+    },
+}

src/assistant/lib/app/settings.py

@@ -0,0 +1,18 @@
+import pydantic
+import pydantic_settings
+
+import lib.app.split_settings as app_split_settings
+
+
+class Settings(pydantic_settings.BaseSettings):
+    api: app_split_settings.ApiSettings = pydantic.Field(default_factory=lambda: app_split_settings.ApiSettings())
+    app: app_split_settings.AppSettings = pydantic.Field(default_factory=lambda: app_split_settings.AppSettings())
+    postgres: app_split_settings.PostgresSettings = pydantic.Field(
+        default_factory=lambda: app_split_settings.PostgresSettings()
+    )
+    logger: app_split_settings.LoggingSettings = pydantic.Field(
+        default_factory=lambda: app_split_settings.LoggingSettings()
+    )
+    project: app_split_settings.ProjectSettings = pydantic.Field(
+        default_factory=lambda: app_split_settings.ProjectSettings()
+    )

src/assistant/lib/app/split_settings/__init__.py

@@ -0,0 +1,14 @@
+from .api import *
+from .app import *
+from .logger import *
+from .postgres import *
+from .project import *
+
+__all__ = [
+    "ApiSettings",
+    "AppSettings",
+    "LoggingSettings",
+    "PostgresSettings",
+    "ProjectSettings",
+    "get_logging_config",
+]

src/assistant/lib/app/split_settings/api.py

@@ -0,0 +1,15 @@
+import pydantic_settings
+
+import lib.app.split_settings.utils as app_split_settings_utils
+
+
+class ApiSettings(pydantic_settings.BaseSettings):
+    model_config = pydantic_settings.SettingsConfigDict(
+        env_file=app_split_settings_utils.ENV_PATH,
+        env_prefix="API_",
+        env_file_encoding="utf-8",
+        extra="ignore",
+    )
+
+    host: str = "0.0.0.0"
+    port: int = 8000

src/assistant/lib/app/split_settings/app.py

@@ -0,0 +1,25 @@
+import pydantic
+import pydantic_settings
+
+import lib.app.split_settings.utils as app_split_settings_utils
+
+
+class AppSettings(pydantic_settings.BaseSettings):
+    model_config = pydantic_settings.SettingsConfigDict(
+        env_file=app_split_settings_utils.ENV_PATH,
+        env_prefix="APP_",
+        env_file_encoding="utf-8",
+        extra="ignore",
+    )
+
+    title: str = "FastAPI"
+    version: str = "0.1.0"
+    docs_url: str = "/api/openapi"
+    openapi_url: str = "/api/openapi.json"
+    reload: bool = False
+
+    @pydantic.field_validator("reload")
+    def validate_debug(cls, v: str | bool) -> bool:
+        if isinstance(v, bool):
+            return v
+        return v.lower() == "true"

src/assistant/lib/app/split_settings/logger.py

@@ -0,0 +1,79 @@
+import pydantic_settings
+
+import lib.app.split_settings.utils as app_split_settings_utils
+
+
+class LoggingSettings(pydantic_settings.BaseSettings):
+    model_config = pydantic_settings.SettingsConfigDict(
+        env_file=app_split_settings_utils.ENV_PATH, env_file_encoding="utf-8", extra="ignore"
+    )
+
+    log_format: str = "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
+    log_default_handlers: list[str] = [
+        "console",
+    ]
+
+    log_level_handlers: str = "INFO"
+    log_level_loggers: str = "INFO"
+    log_level_root: str = "INFO"
+
+
+def get_logging_config(
+    log_format: str,
+    log_default_handlers: list[str],
+    log_level_handlers: str,
+    log_level_loggers: str,
+    log_level_root: str,
+):
+    return {
+        "version": 1,
+        "disable_existing_loggers": False,
+        "formatters": {
+            "verbose": {"format": log_format},
+            "default": {
+                "()": "uvicorn.logging.DefaultFormatter",
+                "fmt": "%(levelprefix)s %(message)s",
+                "use_colors": None,
+            },
+            "access": {
+                "()": "uvicorn.logging.AccessFormatter",
+                "fmt": "%(levelprefix)s %(client_addr)s - '%(request_line)s' %(status_code)s",
+            },
+        },
+        "handlers": {
+            "console": {
+                "level": log_level_handlers,
+                "class": "logging.StreamHandler",
+                "formatter": "verbose",
+            },
+            "default": {
+                "formatter": "default",
+                "class": "logging.StreamHandler",
+                "stream": "ext://sys.stdout",
+            },
+            "access": {
+                "formatter": "access",
+                "class": "logging.StreamHandler",
+                "stream": "ext://sys.stdout",
+            },
+        },
+        "loggers": {
+            "": {
+                "handlers": log_default_handlers,
+                "level": log_level_loggers,
+            },
+            "uvicorn.error": {
+                "level": log_level_loggers,
+            },
+            "uvicorn.access": {
+                "handlers": ["access"],
+                "level": log_level_loggers,
+                "propagate": False,
+            },
+        },
+        "root": {
+            "level": log_level_root,
+            "formatter": "verbose",
+            "handlers": log_default_handlers,
+        },
+    }

src/assistant/lib/app/split_settings/postgres.py

@@ -0,0 +1,44 @@
+import pydantic
+import pydantic_settings
+
+import lib.app.split_settings.utils as app_split_settings_utils
+
+
+class PostgresSettings(pydantic_settings.BaseSettings):
+    """Postgres settings."""
+
+    model_config = pydantic_settings.SettingsConfigDict(
+        env_file=app_split_settings_utils.ENV_PATH,
+        env_prefix="POSTGRES_",
+        env_file_encoding="utf-8",
+        extra="ignore",
+    )
+
+    # Connection settings
+    driver: str = "postgresql+asyncpg"
+    db_name: str = "database_name"
+    host: str = "localhost"
+    port: int = 5432
+    user: str = "app"
+    password: pydantic.SecretStr = pydantic.Field(
+        default=..., validation_alias=pydantic.AliasChoices("password", "postgres_password")
+    )
+
+    # Engine settings
+    pool_size: int = 50
+    pool_pre_ping: bool = True
+    echo: bool = False
+
+    # Session settings
+    auto_commit: bool = False
+    auto_flush: bool = False
+    expire_on_commit: bool = False
+
+    @property
+    def dsn(self) -> str:
+        password = self.password.get_secret_value()
+        return f"{self.driver}://{self.user}:{password}@{self.host}:{self.port}"
+
+    @property
+    def dsn_as_safe_url(self) -> str:
+        return f"{self.driver}://{self.user}:***@{self.host}:{self.port}"

src/assistant/lib/app/split_settings/project.py

@@ -0,0 +1,22 @@
+import pydantic
+import pydantic_settings
+
+import lib.app.split_settings.utils as app_split_settings_utils
+
+
+class ProjectSettings(pydantic_settings.BaseSettings):
+    """Project settings."""
+
+    model_config = pydantic_settings.SettingsConfigDict(
+        env_file=app_split_settings_utils.ENV_PATH,
+        env_file_encoding="utf-8",
+        extra="ignore",
+    )
+
+    debug: str = "false"
+    jwt_secret_key: str = pydantic.Field(default=..., validation_alias="jwt_secret_key")
+    jwt_algorithm: str = "HS256"
+
+    @pydantic.field_validator("debug")
+    def validate_debug(cls, v: str) -> bool:
+        return v.lower() == "true"

src/assistant/lib/app/split_settings/utils.py

@@ -0,0 +1,4 @@
+import pathlib
+
+BASE_PATH = pathlib.Path(__file__).parent.parent.parent.parent.resolve()
+ENV_PATH = BASE_PATH / ".env"

src/assistant/lib/clients/__init__.py

@@ -0,0 +1,3 @@
+from .postgres import AsyncPostgresClient
+
+__all__ = ["AsyncPostgresClient"]

src/assistant/lib/clients/postgres.py

@@ -0,0 +1,30 @@
+import sqlalchemy.ext.asyncio as sa_asyncio
+
+import lib.app.settings as app_settings
+
+
+class AsyncPostgresClient:
+    """Async Postgres Client that return sessionmaker."""
+
+    def __init__(self, settings: app_settings.Settings) -> None:
+        self.settings = settings.postgres
+        self.async_enging = sa_asyncio.create_async_engine(
+            url=self.settings.dsn,
+            pool_size=self.settings.pool_size,
+            pool_pre_ping=self.settings.pool_pre_ping,
+            echo=self.settings.echo,
+            future=True,
+        )
+
+    def get_async_session(self) -> sa_asyncio.async_sessionmaker[sa_asyncio.AsyncSession]:
+        async_session = sa_asyncio.async_sessionmaker(
+            bind=self.async_enging,
+            autocommit=self.settings.auto_commit,
+            autoflush=self.settings.auto_flush,
+            expire_on_commit=self.settings.expire_on_commit,
+        )
+
+        return async_session  # noqa: RET504
+
+    async def dispose_callback(self) -> None:
+        await self.async_enging.dispose()

src/assistant/lib/models/__init__.py

@@ -0,0 +1,4 @@
+from .orm import Base, IdCreatedUpdatedBaseMixin
+from .token import Token
+
+__all__ = ["Base", "IdCreatedUpdatedBaseMixin", "Token"]

src/assistant/lib/models/orm/__init__.py

@@ -0,0 +1,3 @@
+from .base import Base, IdCreatedUpdatedBaseMixin
+
+__all__ = ["Base", "IdCreatedUpdatedBaseMixin"]

src/assistant/lib/models/orm/base.py

@@ -0,0 +1,35 @@
+import datetime
+import uuid
+
+import sqlalchemy
+import sqlalchemy.dialects.postgresql
+import sqlalchemy.ext.declarative
+import sqlalchemy.orm as sa_orm
+import sqlalchemy.sql as sa_sql
+
+
+class Base(sa_orm.DeclarativeBase):
+    """Base class for all models."""
+
+    @sqlalchemy.ext.declarative.declared_attr.directive
+    def __tablename__(cls):
+        return cls.__name__.lower()
+
+    __mapper_args__ = {"eager_defaults": True}
+
+    id: sa_orm.Mapped[uuid.UUID] = sa_orm.mapped_column(primary_key=True, default=uuid.uuid4)
+
+
+class IdCreatedUpdatedBaseMixin:
+    # id: sa_orm.Mapped[int] = sa_orm.mapped_column(primary_key=True)
+    # id_field: sa_orm.Mapped[uuid.UUID] = sa_orm.mapped_column(name="uuid", primary_key=True, unique=True, default=uuid.uuid4, nullable=False)
+    created: sa_orm.Mapped[datetime.datetime] = sa_orm.mapped_column(server_default=sa_sql.func.now())
+    updated: sa_orm.Mapped[datetime.datetime] = sa_orm.mapped_column(
+        server_default=sa_sql.func.now(), onupdate=sa_sql.func.now()
+    )
+
+    # __mapper_args__ = {"eager_defaults": True}
+
+    # @sqlalchemy.ext.declarative.declared_attr.directive
+    # def __tablename__(cls) -> str:
+    #     return cls.__name__.lower()

src/assistant/lib/models/token.py

@@ -0,0 +1,9 @@
+import uuid
+
+import pydantic
+
+
+# TODO: TBU
+class Token(pydantic.BaseModel):
+    sub: uuid.UUID
+    exp: int | None = None

src/assistant/lib/utils/token.py

@@ -0,0 +1,25 @@
+import fastapi
+import fastapi.security
+import jose
+import jose.jwt
+import pydantic
+
+import lib.app.settings as app_settings
+import lib.models as models
+
+
+def get_token_data(
+    authorization: fastapi.security.HTTPAuthorizationCredentials = fastapi.Security(fastapi.security.HTTPBearer()),
+) -> models.Token:
+    settings = app_settings.Settings()
+
+    token = authorization.credentials
+    try:
+        secret_key = settings.project.jwt_secret_key
+        payload = jose.jwt.decode(token, secret_key, algorithms=[settings.project.jwt_algorithm])
+        return models.Token(**payload)
+    except (jose.JWTError, pydantic.ValidationError) as error:
+        raise fastapi.HTTPException(
+            status_code=fastapi.status.HTTP_401_UNAUTHORIZED,
+            detail="Could not validate credentials",
+        ) from error

src/assistant/nginx/mime.types

@@ -0,0 +1,98 @@
+types {
+    text/html                                        html htm shtml;
+    text/css                                         css;
+    text/xml                                         xml;
+    image/gif                                        gif;
+    image/jpeg                                       jpeg jpg;
+    application/javascript                           js;
+    application/atom+xml                             atom;
+    application/rss+xml                              rss;
+
+    text/mathml                                      mml;
+    text/plain                                       txt;
+    text/vnd.sun.j2me.app-descriptor                 jad;
+    text/vnd.wap.wml                                 wml;
+    text/x-component                                 htc;
+
+    image/avif                                       avif;
+    image/png                                        png;
+    image/svg+xml                                    svg svgz;
+    image/tiff                                       tif tiff;
+    image/vnd.wap.wbmp                               wbmp;
+    image/webp                                       webp;
+    image/x-icon                                     ico;
+    image/x-jng                                      jng;
+    image/x-ms-bmp                                   bmp;
+
+    font/woff                                        woff;
+    font/woff2                                       woff2;
+
+    application/java-archive                         jar war ear;
+    application/json                                 json;
+    application/mac-binhex40                         hqx;
+    application/msword                               doc;
+    application/pdf                                  pdf;
+    application/postscript                           ps eps ai;
+    application/rtf                                  rtf;
+    application/vnd.apple.mpegurl                    m3u8;
+    application/vnd.google-earth.kml+xml             kml;
+    application/vnd.google-earth.kmz                 kmz;
+    application/vnd.ms-excel                         xls;
+    application/vnd.ms-fontobject                    eot;
+    application/vnd.ms-powerpoint                    ppt;
+    application/vnd.oasis.opendocument.graphics      odg;
+    application/vnd.oasis.opendocument.presentation  odp;
+    application/vnd.oasis.opendocument.spreadsheet   ods;
+    application/vnd.oasis.opendocument.text          odt;
+    application/vnd.openxmlformats-officedocument.presentationml.presentation
+                                                     pptx;
+    application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
+                                                     xlsx;
+    application/vnd.openxmlformats-officedocument.wordprocessingml.document
+                                                     docx;
+    application/vnd.wap.wmlc                         wmlc;
+    application/wasm                                 wasm;
+    application/x-7z-compressed                      7z;
+    application/x-cocoa                              cco;
+    application/x-java-archive-diff                  jardiff;
+    application/x-java-jnlp-file                     jnlp;
+    application/x-makeself                           run;
+    application/x-perl                               pl pm;
+    application/x-pilot                              prc pdb;
+    application/x-rar-compressed                     rar;
+    application/x-redhat-package-manager             rpm;
+    application/x-sea                                sea;
+    application/x-shockwave-flash                    swf;
+    application/x-stuffit                            sit;
+    application/x-tcl                                tcl tk;
+    application/x-x509-ca-cert                       der pem crt;
+    application/x-xpinstall                          xpi;
+    application/xhtml+xml                            xhtml;
+    application/xspf+xml                             xspf;
+    application/zip                                  zip;
+
+    application/octet-stream                         bin exe dll;
+    application/octet-stream                         deb;
+    application/octet-stream                         dmg;
+    application/octet-stream                         iso img;
+    application/octet-stream                         msi msp msm;
+
+    audio/midi                                       mid midi kar;
+    audio/mpeg                                       mp3;
+    audio/ogg                                        ogg;
+    audio/x-m4a                                      m4a;
+    audio/x-realaudio                                ra;
+
+    video/3gpp                                       3gpp 3gp;
+    video/mp2t                                       ts;
+    video/mp4                                        mp4;
+    video/mpeg                                       mpeg mpg;
+    video/quicktime                                  mov;
+    video/webm                                       webm;
+    video/x-flv                                      flv;
+    video/x-m4v                                      m4v;
+    video/x-mng                                      mng;
+    video/x-ms-asf                                   asx asf;
+    video/x-ms-wmv                                   wmv;
+    video/x-msvideo                                  avi;
+}

src/assistant/nginx/nginx.conf

@@ -0,0 +1,39 @@
+worker_processes  1;
+
+events {
+  worker_connections  1024;
+}
+
+http {
+  server_tokens off;
+  include       mime.types;
+  log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+                      '$status $body_bytes_sent "$http_referer" '
+                      '"$http_user_agent" "$http_x_forwarded_for" "$request_id"';
+
+  access_log /dev/stdout main;
+
+  sendfile        on;
+  tcp_nodelay     on;
+  tcp_nopush      on;
+  client_max_body_size 200m;
+  
+  gzip on;
+  gzip_comp_level 3;
+  gzip_min_length 1000;
+  gzip_types
+        text/plain
+        text/css
+        application/json
+        application/x-javascript
+        text/xml
+        text/javascript;
+  
+  add_header X-Request-Id $request_id;
+  proxy_redirect     off;
+  proxy_set_header   Host             $host;
+  proxy_set_header   X-Real-IP        $remote_addr;
+  proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;
+
+  include conf.d/api.conf;
+}

src/assistant/nginx/templates/api.conf.template

@@ -0,0 +1,11 @@
+server {
+    listen       ${NGINX_PORT} default_server;
+    listen       [::]:${NGINX_PORT} default_server;
+    server_name  _;
+
+    location /api {
+        proxy_pass http://api:${API_PORT}/api;
+        proxy_set_header X-Request-Id $request_id;
+    }
+
+}

src/assistant/poetry.toml

@@ -0,0 +1,3 @@
+[virtualenvs]
+create = true
+in-project = true

src/assistant/pyproject.toml

@@ -0,0 +1,150 @@
+[build-system]
+build-backend = "poetry.core.masonry.api"
+requires = ["poetry-core"]
+
+[tool.black]
+line-length = 120
+target-version = ['py311']
+
+[tool.isort]
+known_first_party = ["backend", "tests"]
+line_length = 120
+profile = "black"
+py_version = "311"
+
+[tool.poetry]
+authors = ["ijaric@gmail.com", "jsdio@jsdio.ru"]
+description = ""
+name = "fastapi_project"
+readme = "README.md"
+version = "0.1.0"
+
+[tool.poetry.dependencies]
+alembic = "^1.12.0"
+asyncpg = "^0.28.0"
+fastapi = "0.103.1"
+greenlet = "^2.0.2"
+httpx = "^0.25.0"
+orjson = "^3.9.7"
+psycopg2 = "^2.9.7"
+pydantic = {extras = ["email"], version = "^2.3.0"}
+pydantic-settings = "^2.0.3"
+python = "^3.11"
+python-jose = "^3.3.0"
+sqlalchemy = "^2.0.20"
+uvicorn = "^0.23.2"
+
+[tool.poetry.dev-dependencies]
+black = "^23.7.0"
+isort = "^5.12.0"
+pylint = "^2.17.5"
+pylint-pydantic = "^0.2.4"
+pylint-pytest = "^1.1.2"
+pyright = "^1.1.318"
+pyupgrade = "^3.10.1"
+ruff = "^0.0.282"
+sort-all = "^1.2.0"
+toml-sort = "^0.23.1"
+
+[tool.pylint]
+disable = [
+  "broad-except",
+  "cannot-enumerate-pytest-fixtures",
+  "consider-using-from-import",
+  "consider-using-sys-exit",
+  "duplicate-code",
+  "fixme",
+  "missing-docstring",
+  "no-member",
+  "protected-access",
+  "too-few-public-methods",
+  "too-many-instance-attributes",
+  "too-many-locals",
+  "too-many-statements",
+  "unnecessary-ellipsis"
+]
+extension-pkg-allow-list = [
+  "orjson",
+  "pydantic"
+]
+ignore-path = [
+  "^.*venv/.*$"
+]
+load-plugins = [
+  "pylint_pydantic",
+  "pylint_pytest"
+]
+max-args = 15
+max-line-length = 120
+recursive = true
+
+[tool.pylint.basic]
+argument-rgx = "^_{0,2}[a-z][a-z0-9]*$"
+attr-rgx = "^_{0,2}[a-z][a-z0-9]*$"
+class-attribute-rgx = "^_{0,2}[a-zA-Z][a-zA-Z0-9_]*$"
+variable-rgx = "^_{0,2}[a-z][a-z0-9_]*$"
+
+[tool.pyright]
+exclude = [
+  ".venv"
+]
+pythonPlatform = "All"
+pythonVersion = "3.11"
+reportConstantRedefenition = "none"
+reportMissingTypeStubs = "none"
+reportPrivateUsage = "information"
+reportPropertyTypeMismatch = "warning"
+reportUninitializedInstanceVariable = "warning"
+reportUnknownMemberType = "none"
+reportUnnecessaryTypeIgnoreComment = "warning"
+reportUntypedFunctionDecorator = "warning"
+typeCheckingMode = "strict"
+useLibraryCodeForTypes = true
+venv = ".venv"
+venvPath = "."
+
+[tool.ruff]
+ignore = [
+  # Pyright automatically infers the type of `self`
+  "ANN101",
+  # Pyright automatically infers the type of `cls`
+  "ANN102",
+  # In some cases actively detrimental; somewhat conflicts with black
+  "COM",
+  # Ignore missing docstrings
+  "D102",
+  # In combination with D213, this results in noisy diffs and inconsistencies
+  # See also <https://github.com/charliermarsh/ruff/issues/4174>.
+  "D200",
+  # This results inconsistencies between function and class docstrings
+  # See also <https://github.com/charliermarsh/ruff/issues/4175>.
+  "D202",
+  # D211 is preferred since the extra blank line isn't visually useful
+  "D203",
+  # D213 is preferred since it's more readable and allows more characters
+  "D212",
+  # Ignore missing docstrings
+  "D414",
+  # Covered by D401, which is more restrictive
+  "D415",
+  # Type-checkers interpret redundant `as` as exporting an item
+  "PLC0414",
+  # Permit using alias for 'import'
+  "PLR0402",
+  # Causes churn and awful looking import blocks for little gain
+  "TCH"
+]
+select = ["ALL"]
+
+[tool.ruff.per-file-ignores]
+"tests/*" = [
+  "D100",
+  "D103",
+  "D104",
+  "S101"
+]
+
+[tool.tomlsort]
+all = true
+ignore_case = true
+in_place = true