# FuelLog 前端容器用的 nginx 配置
# - 提供 /usr/share/nginx/html 静态资源
# - SPA fallback:所有非 /api 路径都回 /index.html(让 vue-router 接管)
# - /api/* 反代到后端容器 api:8080

upstream fuellog_api {
    server api:8080;
    keepalive 32;
}

server {
    listen 80 default_server;
    server_name _;

    # gzip 静态资源
    gzip on;
    gzip_types text/plain text/css application/javascript application/json image/svg+xml application/xml;
    gzip_min_length 1024;

    # 静态资源 + SPA fallback
    root /usr/share/nginx/html;
    index index.html;

    # 显式 favicon / manifest / icon
    location = /favicon.svg { access_log off; expires 30d; }
    location = /manifest.webmanifest { access_log off; expires 1d; }
    location ~* ^/pwa-.*\.png$ { access_log off; expires 30d; }

    # 反代 /api 到后端
    location /api/ {
        proxy_pass http://fuellog_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;
        proxy_set_header Connection "";  # keep-alive
        proxy_read_timeout 30s;
        proxy_send_timeout 30s;
    }

    # /api/health 这种后端直出,允许直接走
    location = /health { proxy_pass http://fuellog_api/health; }

    # Hashed 静态资源(js/css/woff2)长缓存
    location ~* \.(?:js|css|woff2|svg|png|jpg|jpeg|gif|ico)$ {
        expires 30d;
        add_header Cache-Control "public, immutable";
        try_files $uri =404;
    }

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