worker_processes 1;

error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;

events {
    worker_connections 1024;
}

http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;
    resolver 127.0.0.11 valid=10s ipv6=off;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;

    sendfile        on;
    keepalive_timeout  65;
    root /usr/share/nginx/html;
    index index.html;

    upstream backend {
        zone backend 64k;
        server backend:8000 resolve;
    }

    server {
        listen 80;
        server_name _;
        client_max_body_size 20m;

        location = /favicon.ico {
            root /usr/share/nginx/html;
            try_files /favicon.ico =204;
            access_log off;
            log_not_found off;
            expires 1d;
            add_header Cache-Control "public, max-age=86400" always;
        }

        location = /index.html {
            try_files /index.html =404;
            add_header Cache-Control "no-store, no-cache, must-revalidate" always;
        }

        location /assets/ {
            try_files $uri =404;
            add_header Cache-Control "public, max-age=31536000, immutable" always;
        }

        location ~* (^|/)(\.git|\.env($|[./_-])|wp-config\.php|config\.php|database\.yml|backup($|[._/-])) {
            access_log off;
            log_not_found off;
            return 404;
        }

        location /api/ {
            proxy_pass http://backend;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
        }

        location /health {
            proxy_pass http://backend;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
        }

        location = /readyz {
            proxy_pass http://backend;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
            proxy_set_header X-Forwarded-Proto $scheme;
        }

        location / {
            try_files $uri $uri/ /index.html;
            add_header Cache-Control "no-store, no-cache, must-revalidate" always;
        }
    }
}