我正在尝试使用docker设置Django和postgres开发环境,因此我可以更轻松地在其他机器上运行它,以及从1个终端窗口运行所有内容(一旦我确定了,我将添加我的react前端排除此Django错误)。
我感觉自己已经接近了,但是对这个错误很挂念。看起来像是运行start.sh
时的输出。在此设置中,我一直在遵循许多不同的指南,因此,也许我刚刚摆脱了麻烦。不确定该错误的出处。
我能够在容器外部成功执行runserver
命令,因此似乎与容器无关。
错误:
django_server | Traceback (most recent call last):
django_server | File "manage.py", line 15, in <module>
django_server | execute_from_command_line(sys.argv)
django_server | File "/usr/local/lib/python3.7/site-packages/django/core/management/__init__.py", line 371, in execute_from_command_line
django_server | utility.execute()
django_server | File "/usr/local/lib/python3.7/site-packages/django/core/management/__init__.py", line 365, in execute
django_server | self.fetch_command(subcommand).run_from_argv(self.argv)
django_server | File "/usr/local/lib/python3.7/site-packages/django/core/management/base.py", line 288, in run_from_argv
django_server | self.execute(*args, **cmd_options)
django_server | File "/usr/local/lib/python3.7/site-packages/django/core/management/base.py", line 335, in execute
django_server | output = self.handle(*args, **options)
django_server | File "/usr/local/lib/python3.7/site-packages/django/core/management/commands/migrate.py", line 79, in handle
django_server | executor = MigrationExecutor(connection, self.migration_progress_callback)
django_server | File "/usr/local/lib/python3.7/site-packages/django/db/migrations/executor.py", line 18, in __init__
django_server | self.loader = MigrationLoader(self.connection)
django_server | File "/usr/local/lib/python3.7/site-packages/django/db/migrations/loader.py", line 49, in __init__
django_server | self.build_graph()
django_server | File "/usr/local/lib/python3.7/site-packages/django/db/migrations/loader.py", line 200, in build_graph
django_server | self.load_disk()
django_server | File "/usr/local/lib/python3.7/site-packages/django/db/migrations/loader.py", line 99, in load_disk
django_server | directory = os.path.dirname(module.__file__)
django_server | File "/usr/local/lib/python3.7/posixpath.py", line 156, in dirname
django_server | p = os.fspath(p)
django_server | TypeError: expected str, bytes or os.PathLike object, not NoneType
django_server | Performing system checks...
django_server |
django_server | System check identified no issues (0 silenced).
django_server | Unhandled exception in thread started by <function check_errors.<locals>.wrapper at 0x7f2d34a73b70>
django_server | Traceback (most recent call last):
django_server | File "/usr/local/lib/python3.7/site-packages/django/utils/autoreload.py", line 225, in wrapper
django_server | fn(*args, **kwargs)
django_server | File "/usr/local/lib/python3.7/site-packages/django/core/management/commands/runserver.py", line 123, in inner_run
django_server | self.check_migrations()
django_server | File "/usr/local/lib/python3.7/site-packages/django/core/management/base.py", line 427, in check_migrations
django_server | executor = MigrationExecutor(connections[DEFAULT_DB_ALIAS])
django_server | File "/usr/local/lib/python3.7/site-packages/django/db/migrations/executor.py", line 18, in __init__
django_server | self.loader = MigrationLoader(self.connection)
django_server | File "/usr/local/lib/python3.7/site-packages/django/db/migrations/loader.py", line 49, in __init__
django_server | self.build_graph()
django_server | File "/usr/local/lib/python3.7/site-packages/django/db/migrations/loader.py", line 200, in build_graph
django_server | self.load_disk()
django_server | File "/usr/local/lib/python3.7/site-packages/django/db/migrations/loader.py", line 99, in load_disk
django_server | directory = os.path.dirname(module.__file__)
django_server | File "/usr/local/lib/python3.7/posixpath.py", line 156, in dirname
django_server | p = os.fspath(p)
django_server | TypeError: expected str, bytes or os.PathLike object, not NoneType
Dockerfile:
FROM python:3.7-alpine
ENV PYTHONUNBUFFERED 1
RUN apk add --no-cache --virtual .build-deps \
gcc \
python3-dev \
musl-dev \
postgresql-dev
# create and set work directory
RUN mkdir /code
WORKDIR /code
ADD ./requirements /requirements
# COPY ./requirements /requirements
RUN pip install --upgrade pip
RUN pip install -r /requirements/local.txt --ignore-installed
# RUN apk del --no-cache .build-deps
ADD . /code/
COPY ./docker_compose/django/development/start.sh /start.sh
COPY ./docker_compose/django/entrypoint.sh /entrypoint.sh
RUN sed -i 's/\r//' /entrypoint.sh \
&& sed -i 's/\r//' /start.sh \
&& chmod +x /entrypoint.sh \
&& chmod +x /start.sh
ENTRYPOINT ["/entrypoint.sh"]
docker-compose-dev.yml:
version: '3'
volumes:
local_postgres_data_dev: {}
local_postgres_backup_dev: {}
services:
postgres:
image: postgres:10.5
env_file: .env
django:
container_name: django_server
build:
context: .
dockerfile: ./docker_compose/django/development/Dockerfile
depends_on:
- postgres
# - node
volumes:
- .:/app
env_file: .env
ports:
- "8000:8000"
command: /start.sh
entrypoint.sh:
#!/bin/sh
set -e
cmd="$@"
# the official postgres image uses 'postgres' as default user if not set explictly.
if [ -z "$POSTGRES_USER" ]; then
export POSTGRES_USER=postgres
fi
# If not DB is set, then use USER by default
if [ -z "$POSTGRES_DB" ]; then
export POSTGRES_DB=$POSTGRES_USER
fi
# Need to update the DATABASE_URL if using DOCKER
export DATABASE_URL=postgres://$POSTGRES_USER:$POSTGRES_PASSWORD@postgres:5432/$POSTGRES_DB
function postgres_ready(){
python << END
import sys
import psycopg2
try:
conn = psycopg2.connect(dbname="$POSTGRES_DB", user="$POSTGRES_USER", password="$POSTGRES_PASSWORD", host="postgres")
except psycopg2.OperationalError:
sys.exit(-1)
sys.exit(0)
END
}
until postgres_ready; do
>&2 echo "Postgres is unavailable - sleeping"
sleep 10
done
>&2 echo "Postgres is up - continuing..."
exec $cmd
start.sh:
#!/bin/sh
python manage.py migrate
python manage.py runserver 0.0.0.0:8000
编辑-添加结构和设置
项目结构:
.
├── api
│ ├── __init__.py
│ ├── __pycache__
│ ├── admin.py
│ ├── apps.py
│ ├── migrations
│ ├── models.py
│ ├── serializers.py
│ ├── tests.py
│ ├── urls.py
│ └── views.py
├── financeApp
│ ├── __init__.py
│ └── __pycache__
├── build
│ └── webpack-stats.json
├── config
│ ├── __init__.py
│ ├── __pycache__
│ ├── settings
│ ├── urls.py
│ └── wsgi.py
├── database20181022.json
├── datadump20190121.json
├── db.sqlite3
├── docker-compose-dev.yml
├── docker-compose.yml
├── docker_compose
│ ├── django
│ ├── nginx
│ ├── node
│ └── postgres
├── frontend
│ ├── README.md
│ ├── build
│ ├── config-overrides.js
│ ├── node_modules
│ ├── package-lock.json
│ ├── package.json
│ ├── package0.json
│ ├── public
│ └── src
├── manage.py
├── requirements
│ ├── base.txt
│ ├── local.txt
│ └── production.txt
└── templates
└── main.html
Base.py:
"""
Django settings for Finance App project.
Generated by 'django-admin startproject' using Django 2.0.4.
For more information on this file, see
https://docs.djangoproject.com/en/2.0/topics/settings/
For the full list of settings and their values, see
https://docs.djangoproject.com/en/2.0/ref/settings/
"""
import os
import dj_database_url
from decouple import config
# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
BASE_DIR = os.path.dirname(os.path.dirname(
os.path.dirname(os.path.abspath(__file__))))
# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/2.0/howto/deployment/checklist/
# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = config('SECRET_KEY')
# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = config('DEBUG', cast=bool)
# ALLOWED_HOSTS = []
# Application definition
INSTALLED_APPS = [
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'rest_framework',
'api',
'djmoney',
]
MIDDLEWARE = [
'django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware',
]
ROOT_URLCONF = 'config.urls'
TEMPLATES = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [os.path.join(BASE_DIR, "templates"), ],
'APP_DIRS': True,
'OPTIONS': {
'context_processors': [
'django.template.context_processors.debug',
'django.template.context_processors.request',
'django.contrib.auth.context_processors.auth',
'django.contrib.messages.context_processors.messages',
],
},
},
]
WSGI_APPLICATION = 'config.wsgi.application'
# Database
# https://docs.djangoproject.com/en/2.0/ref/settings/#databases
DATABASES = {
'default': dj_database_url.parse(config('DATABASE_URL')),
}
DATABASES['default']['ATOMIC_REQUESTS'] = True
# Added this to support deployment on Heroku
# https://devcenter.heroku.com/articles/django-app-configuration
db_from_env = dj_database_url.config(conn_max_age=500)
DATABASES['default'].update(db_from_env)
# DATABASES = {
# 'default': {
# 'ENGINE': 'django.db.backends.postgresql',
# 'NAME': 'finance_app',
# 'USER': 'finance_app_admin',
# 'PASSWORD': '',
# # 'HOST': 'localhost',
# 'HOST': '127.0.0.1',
# 'PORT': '5432',
# }
# }
# Password validation
# https://docs.djangoproject.com/en/2.0/ref/settings/#auth-password-validators
AUTH_PASSWORD_VALIDATORS = [
{
'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
},
{
'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
},
]
# Internationalization
# https://docs.djangoproject.com/en/2.0/topics/i18n/
LANGUAGE_CODE = 'en-us'
TIME_ZONE = 'UTC'
USE_I18N = True
USE_L10N = True
USE_TZ = True
# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/2.0/howto/static-files/
STATIC_URL = '/static/'
STATICFILES_DIRS = [
# os.path.join(os.path.join(BASE_DIR, 'frontend'), 'build', 'static')
os.path.join(BASE_DIR, "frontend", "build", "static"),
]
# STATIC_ROOT = os.path.join(BASE_DIR, "frontend", "build", "static")
REST_FRAMEWORK = {
'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.LimitOffsetPagination',
'PAGE_SIZE': 100
}
local.py:
import socket
import os
from .base import *
# Webpack Loader by Owais Lane
# ------------------------------------------------------------------------------
# https://github.com/owais/django-webpack-loader
WEBPACK_LOADER = {
"DEFAULT": {
"CACHE": not DEBUG,
"BUNDLE_DIR_NAME": "frontend/build/static/", # must end with slash
"STATS_FILE": os.path.join(BASE_DIR, "frontend", "build", "webpack-stats.json"),
}
}
# Django Debug Toolbar
# ------------------------------------------------------------------------------
# https://github.com/jazzband/django-debug-toolbar
MIDDLEWARE += (
# 'debug_toolbar.middleware.DebugToolbarMiddleware',
'corsheaders.middleware.CorsMiddleware',
)
CORS_ORIGIN_ALLOW_ALL = False
CORS_ORIGIN_WHITELIST = (
'localhost:3000',
'127.0.0.1:3000',
)
INSTALLED_APPS += (
# 'debug_toolbar',
'corsheaders',
'webpack_loader',
)
INTERNAL_IPS = ['127.0.0.1', '10.0.2.2', ]