server {
    listen 80;
    listen [::]:80;
    server_name _;

    root /usr/share/nginx/html;
    index index.html;

    client_max_body_size 100M;

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

    location = /health {
        proxy_pass http://backend:8111/health;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_connect_timeout 10s;
        proxy_read_timeout 30s;
    }

    location ^~ /docs {
        proxy_pass http://backend:8111;
        proxy_http_version 1.1;
        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 = /openapi.json {
        proxy_pass http://backend:8111/openapi.json;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
    }

    location ^~ /api/ {
        proxy_pass http://backend:8111;
        proxy_http_version 1.1;
        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;
        proxy_connect_timeout 10s;
        proxy_send_timeout 120s;
        proxy_read_timeout 120s;
    }

    location ^~ /minio/zkxw/ {
        proxy_pass http://minio:9000/zkxw/;
        proxy_http_version 1.1;
        # 预签名 URL 按 MINIO_ENDPOINT（minio:9000）签名，Host 须与签名一致
        proxy_set_header Host minio:9000;
        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;
        proxy_request_buffering off;
        proxy_buffering off;
        proxy_read_timeout 600s;
        proxy_send_timeout 600s;
        proxy_connect_timeout 10s;

        add_header Access-Control-Allow-Origin * always;
        add_header Access-Control-Allow-Methods "GET, HEAD, OPTIONS" always;
        add_header Access-Control-Allow-Headers "DNT,User-Agent,Keep-Alive,Content-Type,Authorization,Range,If-Modified-Since,Cache-Control" always;

        if ($request_method = OPTIONS) {
            add_header Content-Length 0;
            add_header Content-Type text/plain;
            return 204;
        }
    }

    # OA H5（mobile-oa-h5，vite base=/oa-h5/）
    location = /oa-h5 {
        return 301 /oa-h5/;
    }

    location ^~ /oa-h5/ {
        root /usr/share/nginx/html;
        try_files $uri $uri/ /oa-h5/index.html;
        add_header Cache-Control "no-cache" always;
    }

    location / {
        try_files $uri $uri/ /index.html;
    }

    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
        expires 30d;
        add_header Cache-Control "public, immutable" always;
        add_header X-Content-Type-Options nosniff always;
        access_log off;
    }

    location ~* \.html$ {
        add_header Cache-Control "no-cache, no-store, must-revalidate" always;
        add_header Pragma "no-cache" always;
        add_header Expires "0" always;
    }

    location ~ /\. {
        deny all;
        access_log off;
        log_not_found off;
    }
}