我正在学习如何对 Django 项目进行 dockerize。所以,我用 Django 创建了一个简单的 hello world。 之后我创建了我的 Dockerfile:
# syntax=docker/dockerfile:1
# Official Ubuntu Image as Layer
FROM ubuntu:20.04 as os
# Disable Prompt During Packages Installation
ARG DEBIAN_FRONTEND=noninteractive
# Update&Upgrade Ubuntu
RUN apt update && apt upgrade -y
# OS as Layer
FROM os as gis-os
# Disable Prompt During Packages Installation
ARG DEBIAN_FRONTEND=noninteractive
# Set Python environment variables
# Prevents Python from writing pyc files to disc
ENV PYTHONDONTWRITEBYTECODE 1
# Prevents Python from buffering stdout and stderr
ENV PYTHONUNBUFFERED 1
# Install python and upgrade pip
RUN apt install -y python3-pip build-essential
RUN pip3 install --upgrade pip
# Installing Geospatial libraries
RUN apt install -y libpq-dev
# Install PROJ
RUN apt install -y libproj-dev proj-data proj-bin unzip
# Install GEOS
RUN apt install -y libgeos-dev
# Install GDAL
RUN apt install -y tzdata
RUN apt install -y libgdal-dev python3-gdal gdal-bin
# GIS-OS as Layer
FROM gis-os as djangoproject
# Update&Upgrade Layer
RUN apt update && apt upgrade -y
# Set work directory
WORKDIR /app
# Copy project data
COPY . ./djangodocker
# Create staticfiles directory
RUN mkdir -p static-folder
# Create media directory
RUN mkdir -p media-folder
# Install project dependencies
RUN pip3 install --no-cache-dir -r ./djangodocker/requirements.txt
## Active entrypoint.sh
RUN chmod +x /app/djangodocker/entrypoint.sh
# Run entrypoint.sh
ENTRYPOINT ["/app/djangodocker/entrypoint.sh"]
# DJANGOPROJECT as Layer
FROM djangoproject as gunicorn-setting-up
# Update&Upgrade Layer
RUN apt update && apt upgrade -y
# Install Gunicorn
RUN pip3 install gunicorn
注意:我的目标是获得一个Geodjango项目,所以我需要很多与GIS领域相关的东西。
除了 Dockerfile,我还有 entrypoint.sh
.
在 docker-compose 文件下面:
version: '3.7'
services:
website:
container_name: web_project
image: dev-project/django
build: djangodocker
restart: always
env_file: dev.env
command: python3 djangodocker/manage.py runserver 0.0.0.0:8000
ports:
- 8000:8000
当我运行sudo docker-compose -f docker-compose-dev.yml up -d --build
时我可以在我的项目中导航。但是当我使用时:
command: gunicorn djangodocker.wsgi:application --bind 0.0.0.0:8000
而不是:
command: python3 djangodocker/manage.py runserver 0.0.0.0:8000
我看到以下错误:
web_project | [2021-11-14 15:28:01 +0000] [1] [INFO] Starting gunicorn 20.1.0
web_project | [2021-11-14 15:28:01 +0000] [1] [INFO] Listening at: http://0.0.0.0:8000 (1)
web_project | [2021-11-14 15:28:01 +0000] [1] [INFO] Using worker: sync
web_project | [2021-11-14 15:28:01 +0000] [9] [INFO] Booting worker with pid: 9
web_project | [2021-11-14 15:28:01 +0000] [9] [ERROR] Exception in worker process
web_project | Traceback (most recent call last):
web_project | File "/usr/local/lib/python3.8/dist-packages/gunicorn/arbiter.py", line 589, in spawn_worker
web_project | worker.init_process()
web_project | File "/usr/local/lib/python3.8/dist-packages/gunicorn/workers/base.py", line 134, in init_process
web_project | self.load_wsgi()
web_project | File "/usr/local/lib/python3.8/dist-packages/gunicorn/workers/base.py", line 146, in load_wsgi
web_project | self.wsgi = self.app.wsgi()
web_project | File "/usr/local/lib/python3.8/dist-packages/gunicorn/app/base.py", line 67, in wsgi
web_project | self.callable = self.load()
web_project | File "/usr/local/lib/python3.8/dist-packages/gunicorn/app/wsgiapp.py", line 58, in load
web_project | return self.load_wsgiapp()
web_project | File "/usr/local/lib/python3.8/dist-packages/gunicorn/app/wsgiapp.py", line 48, in load_wsgiapp
web_project | return util.import_app(self.app_uri)
web_project | File "/usr/local/lib/python3.8/dist-packages/gunicorn/util.py", line 359, in import_app
web_project | mod = importlib.import_module(module)
web_project | File "/usr/lib/python3.8/importlib/__init__.py", line 127, in import_module
web_project | return _bootstrap._gcd_import(name[level:], package, level)
web_project | File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
web_project | File "<frozen importlib._bootstrap>", line 991, in _find_and_load
web_project | File "<frozen importlib._bootstrap>", line 973, in _find_and_load_unlocked
web_project | ModuleNotFoundError: No module named 'djangodocker.wsgi'
web_project | [2021-11-14 15:28:01 +0000] [9] [INFO] Worker exiting (pid: 9)
web_project | [2021-11-14 15:28:01 +0000] [1] [INFO] Shutting down: Master
web_project | [2021-11-14 15:28:01 +0000] [1] [INFO] Reason: Worker failed to boot.
下图显示了项目树。
这是我第一个使用Docker的项目,我不明白为什么Gunicorn看不到djangodocker.wsgi
,我尝试过 djangodocker.djangodocker.wsgi
没有财富。
最佳答案
问题出在命令
中:
command: sh -c "cd djangodocker/ &&
gunicorn djangodocker.wsgi:application --bind 0.0.0.0:8000"
我已经使用上面的说明解决了问题。
关于docker - 来自带有 Gunicorn 的 Docker 容器的 ModuleNotFoundError,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/69964675/