1.5\u3001 \u793a\u4f8b<\/h3>\n\n\n\n\u4e3e\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\u6765\u5177\u6709\u7684\u8bf4\u660e\u4e00\u4e0b Compose \u7684\u4f7f\u7528
\u200b
1. \u521b\u5efa\u4e00\u4e2a\u76ee\u5f55(\u91cc\u9762\u5305\u542b\u9700\u8981\u7684\u6587\u4ef6)
\u200b
[root@wing] mkdir compose-py
\u200b
2. \u521b\u5efa\u4e00\u4e2a Python \u5e94\u7528\uff0c \u4f7f\u7528 Flask \uff0c\u5c06\u6570\u503c\u8bb0\u5165 Redis
\u200b
[root@wing compose-py] cat app.py
\u200b
import time
import redis
from flask import Flask
app = Flask(__name__)
cache = redis.Redis(host='redis', port=6379)
def get_hit_count():
retries = 5
while True:
try:
return cache.incr('hits')
except redis.exceptions.ConnectionError as exc:
if retries == 0:
raise exc
retries -= 1
time.sleep(0.5)
@app.route('\/')
def hello():
count = get_hit_count()
return 'Hello World! I have been seen {} times.\\n'.format(count)
if __name__ == \"__main__\":
app.run(host=\"0.0.0.0\", debug=True)
\u200b
3. \u521b\u5efa requirements.txt \u6587\u4ef6\uff0c\u91cc\u9762\u662f\u9700\u8981\u5b89\u88c5\u7684 Python \u5305
\u200b
[root@wing compose-py] cat requirements.txt
flask
redis
\u200b
4. \u521b\u5efa Dockerfile \u6587\u4ef6
\u200b
[root@wing compose-py] cat Dockerfile
FROM python
ADD . \/code
WORKDIR \/code
RUN pip install -r requirements.txt
CMD [\"python\", \"app.py\"]
# \u8fd9\u544a\u8bc9Docker\uff1a
\u4ece Python \u5f00\u59cb\u6784\u5efa\u955c\u50cf
\u5c06\u5f53\u524d\u76ee\u5f55 . \u6dfb\u52a0\u5230 \/code \u955c\u50cf\u4e2d\u7684\u8def\u5f84
\u5c06\u5de5\u4f5c\u76ee\u5f55\u8bbe\u7f6e\u4e3a \/code
\u5b89\u88c5 Python \u4f9d\u8d56\u9879
\u5c06\u5bb9\u5668\u7684\u9ed8\u8ba4\u547d\u4ee4\u8bbe\u7f6e\u4e3a python app.py
5. \u521b\u5efa docker-compose.yml \u6587\u4ef6
\u200b
[root@wing compose-py] cat docker-compose.yml
version: '3'
services:
web:
build: .
ports:
- \"5000:5000\"
volumes:
- .:\/code
redis:
image: \"redis\"
\u6b64 Compose \u6587\u4ef6\u5b9a\u4e49\u4e86\u4e24\u4e2a\u670d\u52a1\uff0cweb \u548c redis
\u8be5web\u670d\u52a1\uff1a
\u4f7f\u7528\u4ece Dockerfile \u5f53\u524d\u76ee\u5f55\u4e2d\u6784\u5efa\u7684\u955c\u50cf
\u5c06\u5bb9\u5668\u4e0a\u7684\u516c\u5f00\u7aef\u53e3 5000 \u8f6c\u53d1\u5230\u4e3b\u673a\u4e0a\u7684\u7aef\u53e3 5000 \u6211\u4eec\u4f7f\u7528 Flask Web \u670d\u52a1\u5668\u7684\u9ed8\u8ba4\u7aef\u53e3 5000
\u8be5 redis \u670d\u52a1\u4f7f\u7528\u4ece Docker Hub \u4e2d\u63d0\u53d6\u7684\u516c\u5171 Redis \u6620\u50cf
6. \u4f7f\u7528 Compose \u6784\u5efa\u5e76\u8fd0\u884c\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f
\u200b
[root@wing compose-py] docker-compose up
\u200b
7. \u6d4b\u8bd5\u8bbf\u95ee\uff0c\u5728\u6d4f\u89c8\u5668\u8bbf\u95ee IP:5000 \u6bcf\u5237\u65b0\u4e00\u6b21\u5c31\u4f1a\u52a0\u4e00<\/pre>\n","protected":false},"excerpt":{"rendered":"\u4e00\u3001 Docker-Compose 1.1\u3001 \u4ec0\u4e48\u662fDocker Compose Compose \u9879\u76ee\u662f Do […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[],"class_list":["post-345","post","type-post","status-publish","format-standard","hentry","category-docker"],"_links":{"self":[{"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=\/wp\/v2\/posts\/345","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=345"}],"version-history":[{"count":1,"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=\/wp\/v2\/posts\/345\/revisions"}],"predecessor-version":[{"id":346,"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=\/wp\/v2\/posts\/345\/revisions\/346"}],"wp:attachment":[{"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=345"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=345"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xxiaoteng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=345"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}