server {
    listen 80;
    server_name _;

    client_max_body_size 50M;

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

    # HTML 캐시 비활성화
    location ~* \.html$ {
        expires -1;
        add_header Cache-Control "no-store, no-cache, must-revalidate";
    }

    # 정적 파일 캐시 (JS, CSS, 이미지 등)
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf)$ {
        expires 1h;
        add_header Cache-Control "public, no-transform";
    }

    # API 프록시 (System 1 API)
    location /api/ {
        proxy_pass http://system1-api:3005/api/;
        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;
    }

    # 업로드 파일 프록시 (^~ 로 regex location보다 우선 매칭)
    location ^~ /uploads/ {
        proxy_pass http://system1-api:3005/uploads/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
    }

    # FastAPI Bridge 프록시
    location /fastapi/ {
        proxy_pass http://system1-fastapi:8000/;
        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;
    }

    # Static files (new Tailwind UI)
    location /static/ {
        expires 1h;
        add_header Cache-Control "public, no-transform";
    }

    # SPA fallback
    location / {
        try_files $uri $uri/ /index.html;
    }
}