Kakise/Kaki-Static

const fs = require('fs');
const path = require('path');

function createConfigFile(array) {
    var proxyconf = "";
        array.forEach(prox => {
        proxyconf += `
        location ${prox.fields.origine} {
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header Host $http_host;
            proxy_redirect off;
            proxy_pass http://${prox.fields.cible};
        }`;
        console.log("Proxy "+ prox.fields.log +" added");});
    fs.writeFileSync("/app/config/nginx.conf.erb", `
daemon off;
worker_processes <%= ENV['NGINX_WORKERS'] || 4 %>;
events {
    use epoll;
    accept_mutex on;
    worker_connections 1024;
}
http {
    gzip on;
    gzip_comp_level 2;
    gzip_http_version 1.0;
    gzip_proxied any;
    gzip_min_length 1100;
    gzip_buffers 16 8k;
    gzip_types *;
    gzip_disable "MSIE [1-6].(?!.*SV1)";
    gzip_vary on;
    server_tokens off;
    log_format l2met 'measure#nginx.service=$request_time request_id=$http_x_request_id';
    access_log logs/nginx/access.log l2met;
    error_log logs/nginx/error.log;
    include mime.types;
    default_type application/octet-stream;
    sendfile on;
    #Must read the body in 5 seconds.
    client_body_timeout 5;
    server {
        listen <%= ENV["PORT"] %>;
        server_name _;
        keepalive_timeout 5;
        pagespeed on;
        pagespeed FileCachePath /app/config;
        pagespeed LoadFromFileMatch "^https?://${process.env.ADDRESS}/" "/app/public/";
        pagespeed LoadFromFileRuleMatch disallow .*;
        pagespeed LoadFromFileRuleMatch allow \.css$;
        pagespeed LoadFromFileRuleMatch allow \.jpe?g$;
        pagespeed LoadFromFileRuleMatch allow \.png$;
        pagespeed LoadFromFileRuleMatch allow \.gif$;
        pagespeed LoadFromFileRuleMatch allow \.js$;
        root   /app/public;
        location / {
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header Host $http_host;
            proxy_redirect off;
            proxy_pass http://127.0.0.1:3000;
            pagespeed EnableFilters prioritize_critical_css,rewrite_style_attributes,responsive_images_zoom,dedup_inlined_images,collapse_whitespace,extend_cache,rewrite_css,rewrite_javascript,defer_javascript,inline_images,combine_css,combine_javascript,lazyload_images,resize_images;
            pagespeed LowercaseHtmlNames on;
        }` + proxyconf + `    
        location ~ "\.pagespeed\.([a-z]\.)?[a-z]{2}\.[^.]{10}\.[^.]+" {
              add_header "" "";
        }
        location ~ "^/pagespeed_static/" { }
        location ~ "^/ngx_pagespeed_beacon$" { }
    }
}
    `);
    console.log("Nginx config written");
}

module.exports = {
    createConfigFile
};