파이썬 개발환경 구성하기의 끝판왕 - Docker Compose

easy_install pip setup.py install
5

$ pip install -r requirements.txt
7

$ pip install -r requirements.txt
...
build/temp.macosx-10.11-x86_64-3.5/_openssl.c:400:10:
fatal error: 'openssl/aes.h' file not found
#include <openssl/aes.h>
^
1 error generated.
error: command 'clang' failed with exit status 1
9

...
ld: library not found for -lpq
collect2: ld returned 1 exit status
ld: library not found for -lpq
collect2: ld returned 1 exit status
10

...
building '_imaging' extension
creating build/temp.macosx-10.8-intel-2.7
creating build/temp.macosx-10.8-intel-2.7/libImaging
...
unable to execute clang: No such file or directory
11

...
Skipping installation of /Library/Python/2.7/site-packages/
virtualenvwrapper/init.py (namespace package)
copying virtualenvwrapper/hook_loader.py -> /Library/Python/
2.7/site-packages/virtualenvwrapper
error: /Library/Python/2.7/site-packages/virtualenvwrapper:
Permission denied
12

ImportError: No module named xxx
16

$ docker run -it python:3.7.0b4-stretch
Unable to find image 'python:3.7.0b4-stretch' locally
3.7.0b4-stretch: Pulling from library/python
cc1a78bfd46b: Extracting 16.52MB/45.32MB
6861473222a6: Download complete
7e0b9c3b5ae0: Download complete
3ec98735f56f: Downloading 14.75MB/50.03MB
9b311b87a021: Downloading 57.12MB/213.2MB
048165938570: Download complete
b98bafe8d054: Pulling fs layer
9e173e93364f: Pulling fs layer
279629a74d4e: Waiting
35

$ docker run -it python:3.7.0b4-stretch
Unable to find image 'python:3.7.0b4-stretch' locally
3.7.0b4-stretch: Pulling from library/python
cc1a78bfd46b: Pull complete
6861473222a6: Pull complete
7e0b9c3b5ae0: Pull complete
3ec98735f56f: Pull complete
9b311b87a021: Pull complete
048165938570: Pull complete
b98bafe8d054: Pull complete
9e173e93364f: Pull complete
279629a74d4e: Pull complete
Digest: sha256:4b4314d7020b5b2730ddc1fbe5be3a6f2f6cd2478156bc652a37bec012ff89dd
Status: Downloaded newer image for python:3.7.0b4-stretch
Python 3.7.0b4 (default, May 5 2018, 02:57:38)
[GCC 6.3.0 20170516] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>
36

$ docker run -it python:3
Python 3.6.5 (default, May 5 2018, 03:09:35)
[GCC 4.9.2] on linux
>>> 1 + 1
2
>>>
40

$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
4fb53528e038 python:3 "python3" 2 seconds ago Up 1 second flamboyant_lichterman
$ docker logs 4fb53528e038
>>> 1 + 1
2
$
41

$ docker exec -it 4fb53528e038 bash
root@4fb53528e038:/# ls
bin dev home lib64 mnt proc run srv tmp var
boot etc lib media opt root sbin sys usr
root@4fb53528e038:/#
42

$ docker logs 4fb53528e038
python:3
4fb53528e038
43

>>> exit()
$ docker run -it python:3 bash
root@b1ae1f2de579:/#
44

$ docker run -it --env CONF_NAME=pycon_seminar python:3 bash
root@04cc7afe7362:/# echo $CONF_NAME
pycon_seminar
root@04cc7afe7362:/#
45

$ ls djangosample
__init__.py settings.py urls.py wsgi.py
$ docker run -it --volume `pwd`/djangosample:/djangosample python:3 bash
root@04cc7afe7362:/# ls /djangosample
__init__.py settings.py urls.py wsgi.py
root@04cc7afe7362:/#
46

python:3
--volume
bash
--env
49

FROM python:3
RUN apt-get update && apt-get -y install
libpq-dev
ADD ./djangosample /app/
WORKDIR /app
CMD ["python", "manage.py", "runserver", "0:8000"]
52

$ git clone https://github.com/raccoonyy/django-sample-for-docker-compose
$ cd django-sample-for-docker-compose
$ docker build -t my-django .
53

$ docker run -d
--env POSTGRES_DB=djangosample
--env POSTGRES_USER=sampleuser
--env POSTGRES_PASSWORD=samplesecret
--name db
postgres
$ docker run -it
--env DJANGO_DEBUG=True
--env DJANGO_DB_HOST=postgres
--link db:postgres
--publish 8000:8000
my-django
$ open http://127.0.0.1:8000
54

--name db db
--link db:postgres db postgres
--publish 8000:8000
55

$ mkdir data
$ docker run -d
--name db
--volume data:/var/lib/postgresql/data <-- New!
postgres
56

$ docker run -d
--name db
--volume `pwd`/data:/var/lib/postgresql/data
--rm <-- New!
postgres
57

$ docker run -it
--env DJANGO_DEBUG=True
--env DJANGO_DB_HOST=postgres
--link my-postgres:postgres
--publish 8000:8000
--volume `pwd`:/app <-- New!
my-django
58

version: '3'
volumes:
django_sample_db_dev: {}
services:
db:
image: postgres
volumes:
- django_sample_db_dev:/var/lib/postgresql/data
environment:
- POSTGRES_DB=sampledb
- POSTGRES_USER=sampleuser
- POSTGRES_PASSWORD=samplesecret
django:
build:
context: .
dockerfile: ./compose/django/Dockerfile-dev
environment:
- DJANGO_DEBUG=True
- DJANGO_DB_HOST=postgres
- DJANGO_DB_PORT=5432
- DJANGO_DB_NAME=sampledb
- DJANGO_DB_USERNAME=sampleuser
- DJANGO_DB_PASSWORD=samplesecret
- DJANGO_SECRET_KEY=dev_secret_key
ports:
- "8000:8000"
depends_on:
- db
links:
- db:postgres
command: ["/wait-for-it.sh", "postgres:5432", "-t", "10", "--", "/start-dev.sh"]
volumes:
- ./djangosample:/app/djangosample
61

version: '3'
volumes:
django_sample_db_dev: {}
services:
db:
image: postgres
volumes:
- django_sample_db_dev:/var/lib/postgresql/data
environment:
- POSTGRES_DB=sampledb
- POSTGRES_USER=sampleuser
- POSTGRES_PASSWORD=samplesecret
62

django:
build:
context: .
dockerfile: ./compose/django/Dockerfile-dev
environment:
- DJANGO_DEBUG=True
- DJANGO_DB_HOST=postgres
- DJANGO_DB_PORT=5432
- DJANGO_DB_NAME=sampledb
- DJANGO_DB_USERNAME=sampleuser
- DJANGO_DB_PASSWORD=samplesecret
- DJANGO_SECRET_KEY=dev_secret_key
ports:
- "8000:8000"
depends_on:
- db
links:
- db:postgres
volumes:
- ./:/app/
63

python:3 image build
--volume volumes
--env environment
--link links
depends_on
--publish ports
64

$ docker-compose ps
Name Command State Ports
---------------------------------------------------------------------------------------------------------
django-sample-for-docker-compose_db_1 docker-entrypoint.sh postgres Up 5432/tcp
django-sample-for-docker- bash -c python manage.py m ... Up 0.0.0.0:8000->8000/tcp
compose_django_1
66

$ docker-compose up
$ docker-compose up -d
67

$ docker-compose logs [service name]
$ docker-compose logs -f [service name]
68

$ docker-compose exec django bash
root@3707e50b0c9a:/app#
69

$ docker-compose down
Stopping django-sample-for-docker-compose_django_1 ... done
Stopping django-sample-for-docker-compose_db_1 ... done
Removing django-sample-for-docker-compose_django_1 ... done
Removing django-sample-for-docker-compose_db_1 ... done
Removing network django-sample-for-docker-compose_default
$ docker-compose down -v
70

# docker-compose.yml
django:
...
stdin_open: true
tty: true
$ docker attach CONTAINER_ID
72

bash command
# docker-compose.yml
service:
...
django:
...
command:
- bash
- -c
- |
python manage.py migrate
python manage.py runserver 0:8000
73

# Dockerfile
ENV PYTHONUNBUFFERED 0
74

$ docker-compose up --build
$ docker-compose up --force-recreate
75

파이썬 개발환경 구성하기의 끝판왕 - Docker Compose

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