无法使用Docker启动Python FastAPI项目

我对编程很陌生,在尝试lauch时出错 fastapi 具有的项目 Docker 和 Poetry .

以下是我的项目结构:

.
├── backend
│   ├── Dockerfile
│   ├── poetry.lock
│   ├── pyproject.toml
│   ├── src
│   │   ├── domain
│   │   │   └── __init__.py
│   │   ├── infrastructure
│   │   │   └── __init__.py
│   │   ├── __init__.py
│   │   └── presentation
│   │       ├── __init__.py
│   │       └── main.py
│   └── tests
│       └── __init__.py
├── docker-compose.yaml
└── README.md

这是Docker文件:

FROM python:3.11-slim

WORKDIR /backend

COPY . /backend

RUN pip install --upgrade pip && pip install poetry
RUN poetry install

EXPOSE 8000

和docker-compose.yaml:

services:

  # PostgreSQL
  db:
    image: postgres
    restart: always
    env_file:
      - backend/.env
    ports:
      - '5432:5432'
    healthcheck:
      test: [ "CMD-SHELL", "sh -c 'pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}'" ]
      interval: 10s
      timeout: 3s
      retries: 3

  # BackEnd
  backend:
    build:
      context: backend
    command: bash -c 'uvicorn src.presentation.main:app --host 0.0.0.0 --port 8000 --reload'
    ports:
      - '8000:8000'
    volumes:
      - .:/backend
    restart: always
    depends_on:
      db:
        condition: service_healthy

我的 pyproject.toml :

[tool.poetry]
name = "startup"
version = "0.1.0"
description = ""
authors = ["RRoxxxsii <[email protected]>"]
readme = "README.md"

[tool.poetry.dependencies]
python = "^3.11"
fastapi = {extras = ["all"], version = "^0.109.0"}
pytest="^7.4.4"
pytest-asyncio = "^0.23.3"
pre-commit = "^3.6.0"
sqlalchemy = "^2.0.25"
alembic = "^1.13.1"
uvicorn = "^0.25.0"

[build-system]
requires = ["poetry-core"]
build-backend = "poetry.core.masonry.api"

当我开始项目时 docker compose up 我得到错误:

bash: line 1: uvicorn: command not found

我也不明白为什么 uvicorn 在poetry.lock和pyproject.toml内部