{{/*
Конфигурация nginx в поде web. Отличия от чарта 2.x — набор location,
перенесённый из продового окружения: health-check для проб, потоковая
загрузка оргструктуры из 1С, длинные таймауты для AI-запросов, отдача
assetlinks мобильных приложений и корректные заголовки для service worker.
*/}}
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: web-configuration
  labels:
    {{- include "hrbox.labels" (dict "ctx" . "name" "web") | nindent 4 }}
data:
  nginx.conf: |
    user www-data;
    worker_processes 6;
    pid /run/nginx.pid;

    events {
        worker_connections 10000;
        use epoll;
        multi_accept on;
    }

    http {

        set_real_ip_from 10.0.0.0/8;

        ##
        # Basic Settings
        ##

        sendfile on;
        tcp_nopush on;
        tcp_nodelay on;
        keepalive_timeout 0;
        types_hash_max_size 2048;
        server_tokens off;

        limit_conn_zone $binary_remote_addr zone=addr:10m;
        server_names_hash_bucket_size 64;
        server_name_in_redirect off;

        fastcgi_buffer_size 256k;
        fastcgi_buffers 4 256k;

        client_body_buffer_size 1024k;
        client_max_body_size 20m;

        client_header_buffer_size 1024k;
        large_client_header_buffers 16 1024k;

        default_type application/octet-stream;
        include /etc/nginx/mime.types;

        ##
        # SSL Settings
        ##

        ssl_protocols TLSv1.2 TLSv1.3;
        ssl_prefer_server_ciphers on;
        ssl_session_cache   shared:SSL:10m;
        ssl_session_timeout 10m;

        ##
        # Logging Settings
        ##

        access_log /var/log/nginx/access.log;
        error_log /var/log/nginx/error.log;

        ##
        # Gzip Settings
        ##

        gzip on;
        gzip_disable "msie6";
        gzip_vary on;
        gzip_proxied any;
        gzip_comp_level 6;
        gzip_buffers 16 8k;
        gzip_http_version 1.1;
        gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

        ##
        # Virtual Host Configs
        ##
        server {
            listen 80 default;
            server_name _ ;
            root   /app/web;
            index  index.php;

            keepalive_timeout   70;
            client_body_temp_path /nginx-tmp 1 2;
            client_body_timeout 22s;
            client_header_timeout 22s;

            limit_conn addr 10000;

            location ~ /\.(git) {
                deny all;
            }

            # Liveness: отвечает сам nginx, не дожидаясь PHP-FPM.
            location = /healthz {
                access_log off;
                return 200 "ok\n";
            }

            # Readiness: короткая проверка, что PHP-FPM отвечает.
            location = /health-check {
                fastcgi_pass 127.0.0.1:9000;
                fastcgi_connect_timeout 1s;
                fastcgi_read_timeout 3s;
                fastcgi_send_timeout 1s;
                include fastcgi_params;
                fastcgi_param SCRIPT_FILENAME $document_root/index.php;
                fastcgi_param SCRIPT_NAME /index.php;
                fastcgi_param PATH_INFO /health-check;
            }

            # Загрузка оргструктуры из 1С. PHP читает тело запроса потоком и
            # проксирует в GoWorker без полной буферизации, поэтому nginx
            # тоже не должен буферизовать тело.
            location = /api/v1/integration/commit {
                client_max_body_size 500m;
                fastcgi_request_buffering off;

                fastcgi_pass localhost:9000;
                fastcgi_index index.php;
                fastcgi_param SCRIPT_FILENAME $document_root/index.php;
                fastcgi_param SCRIPT_NAME /index.php;
                include fastcgi_params;
                fastcgi_read_timeout 300s;
                fastcgi_send_timeout 300s;
                fastcgi_connect_timeout 60s;
            }

            # Привязка мобильных приложений к домену
            location /.well-known/assetlinks.json {
                default_type "application/json";
                alias /var/www/assetlinks/assetlinks.json;
            }

            location /.well-known/apple-app-site-association {
                default_type "application/json";
                alias /var/www/assetlinks/apple-app-site-association;
            }

            location = /frontend/sw.js {
                add_header Service-Worker-Allowed /;
                add_header Cache-Control "no-cache, must-revalidate, public";
                expires off;
                try_files $uri $uri/ /index.php?$args;
                access_log off;
            }

            # AI-запросы отвечают дольше обычных, им нужен свой таймаут.
            location ^~ /ai/ {

                add_header Strict-Transport-Security "max-age=31536000; includeSubDomains";
                add_header X-XSS-Protection "1; mode=block";
                add_header X-Frame-Options  "SAMEORIGIN";
                add_header X-Content-Type-Options "nosniff";
                add_header Permissions-Policy "browsing-topics=()" always;

                fastcgi_pass localhost:9000;
                fastcgi_index index.php;
                fastcgi_param SCRIPT_FILENAME $document_root/index.php;
                fastcgi_param SCRIPT_NAME /index.php;
                include fastcgi_params;
                fastcgi_read_timeout 300s;
                fastcgi_connect_timeout 60s;
                fastcgi_send_timeout 60s;
            }

            location / {

                add_header Strict-Transport-Security "max-age=31536000; includeSubDomains";
                add_header X-XSS-Protection "1; mode=block";
                add_header X-Frame-Options  "SAMEORIGIN";
                add_header X-Content-Type-Options "nosniff";
                add_header Permissions-Policy "browsing-topics=()" always;

                # Всё, что не является файлом, уходит в index.php
                try_files $uri $uri/ /index.php?$args;

                location ~* \.(js|css|png|jpg|gif|ico)$ {

                  expires 30d;
                  add_header Vary Accept-Encoding;
                  add_header Pragma "public";
                  add_header Cache-Control "public, must-revalidate, proxy-revalidate";
                  access_log off;
                  tcp_nodelay off;

                  try_files $uri $uri/ /index.php?$args;

                  open_file_cache max=3000 inactive=120s;
                  open_file_cache_valid 45s;
                  open_file_cache_min_uses 2;
                  open_file_cache_errors off;
                }

                location ~* \.(woff|woff2|ttf|otf|eot)$ {

                  expires 30d;
                  add_header Vary Accept-Encoding;
                  add_header Cache-Control "public, must-revalidate, proxy-revalidate";
                  access_log off;

                  try_files $uri $uri/ /index.php?$args;
                }
            }

            location ~ \.php$ {

                add_header Strict-Transport-Security "max-age=31536000; includeSubDomains";
                add_header X-XSS-Protection "1; mode=block";
                add_header X-Frame-Options  "SAMEORIGIN";
                add_header X-Content-Type-Options "nosniff";

                fastcgi_split_path_info ^(.+?\.php)(/.*)$;
                if (!-f $document_root$fastcgi_script_name) {
                    return 404;
                }
                fastcgi_pass localhost:9000;
                fastcgi_index index.php;
                fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
                fastcgi_param SCRIPT_NAME $fastcgi_script_name;
                include fastcgi_params;
                fastcgi_read_timeout 20s;
                fastcgi_connect_timeout 60s;
                fastcgi_send_timeout 60s;
            }
        }
    }