nginx が Docker コンテナーに構成ファイルを自動的に生成する方法

docker run -d -p 80:80 -e xxx=xx 镜像名称 镜像中脚本路径

#!/bin/bash

#从环境变量里面获取lt开头，为了与其他环境变量区别开，例如lt_analysis=172.17.0.1:8083
result=""
for a in $(env | grep ^lt)
do
 old_ifs="$ifs"
 ifs="_"
 arr=($a)
 b=${arr[1]}
 ifs="="
 arr=($b)
 ifs="$old_ifs"
 result="${result}
  location /${arr[0]}/ {
    proxy_pass  http://${arr[1]}/${arr[0]}/;
    proxy_connect_timeout 90;
    proxy_send_timeout 90;
    proxy_read_timeout 90;
  }"
done
#将nginx配置文件中nginx_conf中置换成变量result
sed -i "s|nginx_conf|$(echo ${result})|g" /etc/nginx/nginx.conf
cd /usr/sbin
./nginx

http {
  ...
  
  server {
    ...

    location / {
      root  html;
      index index.html index.htm;
    }

    nginx_conf

    #error_page 404       /404.html;
    ...

from centos

env nginx_version 1.10.3
env openssl_version 1.0.2k
env pcre_version 8.40
env zlib_version 1.2.11
env build_root /usr/local/xx/nginx

# 为了减小最终生成的镜像占用的空间，这里没有执行yum update命令，可能不是好的实践
# 为了加快构建速度，这里使用了163的安装源
#run yum -y update \
run yum -y install curl \
  && mv /etc/yum.repos.d/centos-base.repo /etc/yum.repos.d/centos-base.repo.backup \
  && curl http://mirrors.163.com/.help/centos7-base-163.repo -o /etc/yum.repos.d/centos7-base-163.repo \ 
  && yum -y install gcc gcc-c++ make perl zip unzip \
  && mkdir -p $build_root \
  && cd $build_root \
  && curl https://ftp.pcre.org/pub/pcre/pcre-$pcre_version.zip -o $build_root/pcre-$pcre_version.zip \
  && curl https://www.openssl.org/source/openssl-$openssl_version.tar.gz -o $build_root/openssl-$openssl_version.tar.gz \
  && curl http://www.zlib.net/zlib-$zlib_version.tar.gz -o $build_root/zlib-$zlib_version.tar.gz \
  && curl https://nginx.org/download/nginx-$nginx_version.tar.gz -o $build_root/nginx-$nginx_version.tar.gz \
  && tar vxzf nginx-$nginx_version.tar.gz \
  && unzip pcre-$pcre_version.zip \
  && tar vxfz zlib-$zlib_version.tar.gz \
  && tar vxfz openssl-$openssl_version.tar.gz \
  && cd nginx-$nginx_version \
  && build_config="\
    --prefix=/etc/nginx \
    --sbin-path=/usr/sbin/nginx \
    --conf-path=/etc/nginx/nginx.conf \
    --error-log-path=/var/log/nginx/error.log \
    --http-log-path=/var/log/nginx/access.log \
    --pid-path=/var/run/nginx.pid \
    --lock-path=/var/run/nginx.lock \
    --http-client-body-temp-path=/var/cache/nginx/client_temp \
    --http-proxy-temp-path=/var/cache/nginx/proxy_temp \
    --http-fastcgi-temp-path=/var/cache/nginx/fastcgi_temp \
    --http-uwsgi-temp-path=/var/cache/nginx/uwsgi_temp \
    --http-scgi-temp-path=/var/cache/nginx/scgi_temp \
    --with-openssl=$build_root/openssl-$openssl_version \
    --with-pcre=$build_root/pcre-$pcre_version \
    --with-zlib=$build_root/zlib-$zlib_version \
    --with-http_ssl_module \
    --with-http_v2_module \ 
    --with-threads \
    " \
  && mkdir -p /var/cache/nginx \
  && ./configure $build_config \
  && make && make install \
  && rm -rf $build_root \
  && yum -y remove gcc gcc-c++ make perl zip unzip \
  && yum clean all

#替换nginx默认文件
copy nginx.conf /etc/nginx/
#添加自动生成配置文件的shell脚本
copy 脚本名称 /root/

#暴露端口
expose 80 443

cmd ["nginx", "-g", "daemon off;"]

#user nobody;
worker_processes 1;

#error_log logs/error.log;
#error_log logs/error.log notice;
#error_log logs/error.log info;

#pid    logs/nginx.pid;
daemon off;  //这里添加，关闭后台运行
events {
  worker_connections 1024;
}


http {