nginx+gunicorn項目部署

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1.1安裝虛擬環境建立檔案夾

mkdir data          目錄檔案夾cd data             進入data檔案夾mkdir nginx         建立安裝nginx的檔案夾mkdir server        存放代碼的檔案夾    mkdir logs          存放日誌的檔案夾mkdir backup        備份代碼的檔案夾mkdir softs         軟體存放的位置mkdir virtual       虛擬環境的位置mkdir scripts       指令碼的運行位置mkdir scp_codes     上傳的代碼

安裝虛擬環境

apt-get install python-virtualenv （ubuntu已經安裝過，可省略）virtualenv -p /usr/bin/python3 api_server (採用他，安裝在本檔案夾,)mkvirtualenv api_server(不要用它，它會自己安裝到其他地方)source api_server/bin/activate   (在虛擬環境的active進入虛擬環境)安裝的軟體會在虛擬環境下的bin目錄下

安裝nginx的環境

解壓cd ~/data/softs/   tar xf pcre-8.39.tar.gz配置cd ~/data/softs/pcre-8.39./configure編譯make安裝sudo make install

安裝nginx

解壓cd ~/data/softs/tar xf nginx-1.10.2.tar.gz配置cd nginx-1.10.2/./configure --prefix=/root/data/nginx    安裝在root/data下面的nginx檔案夾編譯make安裝make install查看進程ps aux | grep nginx

nginx簡單基礎操作

檢查sudo ~/data/nginx/sbin/nginx -t開啟sudo ~/data/nginx/sbin/nginx關閉sudo ~/data/nginx/sbin/nginx -s stop重載sudo ~/data/nginx/sbin/nginx -s reload

1、首先安裝Gunicorn

pip install gunicorn複製代碼

2、在入口檔案的app.run()加上以下內容

from werkzeug.contrib.fixers import ProxyFixapp.wsgi_app = ProxyFix(app.wsgi_app)複製代碼

例：

from flask import Flaskapp = Flask(__name__)@app.route('/')def hello_world():    return 'Hello World!'if __name__ == '__main__':    from werkzeug.contrib.fixers import ProxyFix    app.wsgi_app = ProxyFix(app.wsgi_app)    app.run()複製代碼

3、啟動Gunicorn

最簡單的方式為

gunicorn 入口檔案名稱:app複製代碼

預設是監聽127.0.0.1:8000

如果是要處理高並發則要開多個進程和修改監聽連接埠的畫

gunicorn -w 4 -b 127.0.0.1:8000 入口檔案名稱:app複製代碼儲存在supervisord 裡面的etc/supervisord.d目錄下添加一個logo.ini設定檔

添加設定檔

vim /etc/supervisord.d/logo.ini

[program:logo_api_server]directory = /data/api-service #代碼存放的地方command = /usr/local/python3/bin/gunicorn -w 4 -b :5005 LogoSeverApi:app  #-w的參數根據CPU的核心數來定，不要超過CPU的核心數#process_name = %(process_num)s  ; process_name expr (default %(program_name)s)#process_name = %(process_num)s#numprocs = 4                    ; number of processes copies to start (def 1)numprocs_start = 1autostart = true                ; start at supervisord start (default: true)autorestart = unexpected        ; whether/when to restart (default: unexpected)startsecs = 10                  ; number of secs prog must stay running (def. 1)startretries = 3                ; max # of serial start failures (default 3)user = devredirect_stderr = truestdout_logfile_maxbytes = 20MBstdout_logfile_backups = 20stdout_logfile = /data/api-service/logs/supervisor.log

這樣就可以啟動4個進程同時處理HTTP請求，提高系統的使用效率及效能。 還可以把連接埠8000改為其他

而在實際應用中，應使用後台執行的方式啟動服務

nohup 啟動服務的命令 &複製代碼

即

nohup gunicorn -w 4 -b 127.0.0.1:8000 入口檔案名稱:app &複製代碼

這時你可以在原生瀏覽器上訪問127.0.0.1:8000，瀏覽器上就會出現Hello World!

注意：如果是想通過外網訪問的話就要把ip改為內網的ip

4、配置nginx

配置改為

server {    listen 80;    server_name example.org; # 這是HOST機器的外部網域名稱，用地址也行    location / {        proxy_pass http://127.0.0.1:8000; # 這裡是指向 gunicorn host 的服務地址        proxy_set_header Host $host;        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;    } }複製代碼

這樣啟動之後80連接埠就可以轉寄到8000連接埠了

5、檢查配置

nginx -t複製代碼

若出現一下內容，則表示配置成功

nginx: the configuration file /etc/nginx/nginx.conf syntax is oknginx: configuration file /etc/nginx/nginx.conf test is successful複製代碼

6、更新nginx配置

nginx -s reload複製代碼

在已經運行了Gunicorn的前提下，在瀏覽器訪問127.0.0.1就會出現Hello World!了

7、重啟Gunicorn

輸入命令

pstree -ap|grep gunicorn

1.2：安裝wget(如果已經安裝跳過)

yum install wget 

1.3：安裝python3.6（如果已經安裝跳過）

2.1.下載python3.6

wget http://cdn.npm.taobao.org/dist/python/3.6.5/Python-3.6.5.tgz

2.2.解壓安裝包

tar -zxvf Python-3.6.5.tgz

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2.3安裝python3.6的依賴包

yum install -y gcc zlib*yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel 

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2.4.配置安裝路徑為/usr/local/python3

./configure --prefix=/usr/local/python3 --with-sslmake && make install

2.5.將python3.6的路徑加入到PATH中

echo "export PATH=$PATH:/usr/local/python3/bin/" >>/etc/profilesource /etc/profile

2.6.建立軟串連

ln -s /usr/local/python3/bin/python3 /usr/bin/python3ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3

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2.7.安裝supervisor

yum install supervisor -y

如果報如下錯誤，安裝yum的擴充源

安裝yum的擴充源

yum install epel-*

2.8.添加supervisor的配置

在/etc/supervisord.d目錄下添加一個logo.ini設定檔

vim /etc/supervisord.d/logo.ini

內容如下：

[program:logo_api_server]directory = /data/api-service #代碼存放的地方command = /usr/local/python3/bin/gunicorn -w 4 -b :5005 LogoSeverApi:app  #-w的參數根據CPU的核心數來定，不要超過CPU的核心數\#process_name = %(process_num)s  ; process_name expr (default %(program_name)s)\#process_name = %(process_num)s\#numprocs = 4                    ; number of processes copies to start (def 1)numprocs_start = 1autostart = true                ; start at supervisord start (default: true)autorestart = unexpected        ; whether/when to restart (default: unexpected)startsecs = 10                  ; number of secs prog must stay running (def. 1)startretries = 3                ; max # of serial start failures (default 3)user = devredirect_stderr = truestdout_logfile_maxbytes = 20MBstdout_logfile_backups = 20stdout_logfile = /data/api-service/logs/supervisor.log

2.9建立data目錄

mkdir /data

2.10從git上面將代碼下載下來，git在內網，如果是線上請將git下載下來然後通過ftp上傳到線上壞境

cd /datagit clone http://zhangxiaoyang:[email protected]:3000/graphics/logo_api api-servicels -

2.11安裝程式依賴包

cd /data/api-service/yum install cairo-develpip3 install --upgrade pippip3 install -r requirements.txt

nginx+gunicorn項目部署