crm-backend-matt/nginx/nginx.conf

worker_processes auto;

events {
    worker_connections 1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;

    # 对齐 application.yml 的 spring.servlet.multipart.max-request-size（25M）
    client_max_body_size 25M;

    sendfile on;
    keepalive_timeout 65;
    gzip on;
    gzip_types text/css application/javascript application/json image/svg+xml;

    upstream crm_app {
        server crm-app:8080;
    }

    # 缩略图代理缓存区（10MB 内存索引，100MB 磁盘，1天不访问则淘汰）
    proxy_cache_path /var/cache/nginx/thumbnails
        levels=1:2
        keys_zone=thumb_cache:10m
        max_size=100m
        inactive=1d
        use_temp_path=off;

    server {
        listen 80;
        server_name _;

        # ========== 静态文档页（浏览器缓存 1 天） ==========
        location /crm-api/docs/ {
            alias /usr/share/nginx/docs/;
            index crm-api-docs-documentation.html;
            expires 1d;
            add_header Cache-Control "public, max-age=86400";
        }
        location = /crm-api/docs {
            return 301 /crm-api/docs/;
        }
        location /docs/ {
            alias /usr/share/nginx/docs/;
            index crm-api-docs-documentation.html;
            expires 1d;
            add_header Cache-Control "public, max-age=86400";
        }
        location = /docs {
            return 301 /docs/;
        }

        # ========== 缩略图（nginx 代理缓存） ==========
        # 后端对 READY 缩略图返回 Cache-Control: max-age=86400 → nginx 缓存
        # 后端对占位图返回 Cache-Control: no-cache → nginx 不缓存（尊重后端）
        # 带 /crm-api 前缀
        location /crm-api/api/file/thumbnail {
            proxy_pass http://crm_app/api/file/thumbnail;
            proxy_cache thumb_cache;
            proxy_cache_key "$scheme$request_method$host$request_uri";
            proxy_cache_valid 200 1d;
            proxy_cache_valid 404 1m;
            proxy_cache_use_stale error timeout updating;
            add_header X-Cache-Status $upstream_cache_status;
            proxy_set_header Host $host;
        }
        # 不带前缀
        location /api/file/thumbnail {
            proxy_pass http://crm_app;
            proxy_cache thumb_cache;
            proxy_cache_key "$scheme$request_method$host$request_uri";
            proxy_cache_valid 200 1d;
            proxy_cache_valid 404 1m;
            proxy_cache_use_stale error timeout updating;
            add_header X-Cache-Status $upstream_cache_status;
            proxy_set_header Host $host;
        }

        # ========== 带 /crm-api 前缀的 API（去掉前缀转发） ==========
        location /crm-api/ {
            proxy_pass http://crm_app/;
            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_read_timeout         300s;
            proxy_send_timeout         300s;
            proxy_request_buffering    off;
        }

        # ========== 不带前缀直接转发 ==========
        location / {
            proxy_pass http://crm_app;
            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_read_timeout         300s;
            proxy_send_timeout         300s;
            proxy_request_buffering    off;
        }
    }
}