docker -compose.yml:
python-api: &python-api
build:
context: /Users/AjayB/Desktop/python-api/
ports:
- "8000:8000"
networks:
- app-tier
expose:
- "8000"
depends_on:
- python-model
volumes:
- .:/python_api/
environment:
- PYTHON_API_ENV=development
command: >
sh -c "ls /python-api/ &&
python_api_setup.sh development
python manage.py migrate &&
python manage.py runserver 0.0.0.0:8000"
python-model: &python-model
build:
context: /Users/AjayB/Desktop/Python/python/
ports:
- "8001:8001"
networks:
- app-tier
environment:
- PYTHON_API_ENV=development
expose:
- "8001"
volumes:
- .:/python_model/
command: >
sh -c "ls /python-model/
python_setup.sh development
cd /server/ &&
python manage.py migrate &&
python manage.py runserver 0.0.0.0:8001"
python-celery:
<<: *python-api
environment:
- PYTHON_API_ENV=development
networks:
- app-tier
links:
- redis:redis
depends_on:
- redis
command: >
sh -c "celery -A server worker -l info"
redis:
image: redis:5.0.8-alpine
hostname: redis
networks:
- app-tier
expose:
- "6379"
ports:
- "6379:6379"
command: ["redis-server"]
python-celery
在里面 python-api
它应该作为一个单独的容器运行。但它试图占用与 python-api
相同的端口, 绝不应该是这样。我得到的错误是:
AjayB$ docker-compose up
Creating integrated_redis_1 ... done
Creating integrated_python-model_1 ... done
Creating integrated_python-api_1 ...
Creating integrated_python-celery_1 ... error
Creating integrated_python-api_1 ... done
e1d1055165b1f85f179f69c): Bind for 0.0.0.0:8000 failed: port is already allocated
ERROR: for python-celery Cannot start service python-celery: driver failed programming external connectivity on endpoint integrated_python-celery_1 (ab5e079dbc3a30223e16052f21744c2b5dfc56adbe1d1055165b1f85f179f69c): Bind for 0.0.0.0:8000 failed: port is already allocated
ERROR: Encountered errors while bringing up the project.
在做
docker ps -a
,我明白了:AjayB$ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
2ff1277fb7a7 integrated_python-celery "sh -c 'celery -A se…" 10 seconds ago Created integrated_python-celery_1
5b60221b42a4 integrated_python-api "sh -c 'ls /crackd-a…" 11 seconds ago Up 9 seconds 0.0.0.0:8000->8000/tcp integrated_python-api_1
bacd8aa3268f integrated_python-model "sh -c 'ls /crackd-m…" 12 seconds ago Exited (2) 10 seconds ago integrated_python-model_1
9fdab833b436 redis:5.0.8-alpine "docker-entrypoint.s…" 12 seconds ago Up 10 seconds 0.0.0.0:6379->6379/tcp integrated_redis_1
尝试强制移除容器并尝试
docker-compose up
得到同样的错误。 :/我在哪里犯错了?只是怀疑
volumes:
部分。谁能告诉我volumes
是正确的?请帮我解决这个错误。 PS,先试试docker。
谢谢!
最佳答案
这是因为你重用了 python-api
的完整配置。包括 ports
将暴露端口 8000 的部分(顺便说一下,expose
是多余的,因为您的 ports
部分已经暴露了端口)。
我将创建一个可供任何服务使用的公共(public)部分。在你的情况下,它会是这样的:
version: '3.7'
x-common-python-api:
&default-python-api
build:
context: /Users/AjayB/Desktop/python-api/
networks:
- app-tier
environment:
- PYTHON_API_ENV=development
volumes:
- .:/python_api/
services:
python-api:
<<: *default-python-api
ports:
- "8000:8000"
depends_on:
- python-model
command: >
sh -c "ls /python-api/ &&
python_api_setup.sh development
python manage.py migrate &&
python manage.py runserver 0.0.0.0:8000"
python-model: &python-model
.
.
.
python-celery:
<<: *default-python-api
links:
- redis:redis
depends_on:
- redis
command: >
sh -c "celery -A server worker -l info"
redis:
.
.
.
关于Python Celery 试图在 docker-compose 中占用一个端口号并产生问题,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/60853414/