# 生产环境 Nginx 配置
# 用途：反向代理 + HTTPS 支持
events {
worker_connections 1024;
use epoll;
}
http {
include /etc/nginx/mime.types;
default_type application/octet-stream;
# 日志格式
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;
error_log /var/log/nginx/error.log warn;
# 性能优化
sendfile on;
tcp_nopush on;
tcp_nodelay on;
keepalive_timeout 65;
types_hash_max_size 2048;
client_max_body_size 20M;
# Gzip 压缩
gzip on;
gzip_vary on;
gzip_proxied any;
gzip_comp_level 6;
gzip_types text/plain text/css text/xml text/javascript application/json application/javascript application/xml+rss;
# Upstream 定义
upstream backend {
server backend:8000;
keepalive 32;
}
upstream admin {
server admin:3000;
keepalive 32;
}
# HTTP → HTTPS 重定向
server {
listen 80;
server_name _;
# Let's Encrypt 验证路径（用于证书申请和续期）
location /.well-known/acme-challenge/ {
root /var/www/certbot;
try_files $uri =404;
}
# 健康检查（允许 HTTP 访问）
location /health {
proxy_pass http://backend/api/health;
access_log off;
}
# 其他请求重定向到 HTTPS
location / {
return 301 https://$host$request_uri;
}
}
# HTTPS 服务器
server {
listen 443 ssl http2;
server_name _;
# SSL 证书配置（Let's Encrypt）
# 注意：首次部署时，这些路径可能不存在，需要先配置证书
# 证书配置步骤见 docs/deploy.md
ssl_certificate /etc/letsencrypt/live/_/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/_/privkey.pem;
# SSL 安全配置
ssl_protocols TLSv1.2 TLSv1.3;
ssl_ciphers 'ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384';
ssl_prefer_server_ciphers on;
ssl_session_cache shared:SSL:10m;
ssl_session_timeout 10m;
# HSTS（可选，生产环境推荐）
add_header Strict-Transport-Security "max-age=31536000; includeSubDomains" always;
# /api -> backend
location /api/ {
proxy_pass http://backend;
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 "";
proxy_read_timeout 30s;
proxy_connect_timeout 10s;
proxy_send_timeout 30s;
}
# 健康检查
location /health {
proxy_pass http://backend/api/health;
access_log off;
}
# 其余 -> admin（如果 admin 未上线，返回静态占位页）
location / {
# 如果 admin 服务不可用，返回占位页
# 可以通过检查 admin 服务状态来决定
proxy_pass http://admin;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
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 30s;
proxy_connect_timeout 10s;
proxy_send_timeout 30s;
# 如果 admin 服务不可用，返回 503 或静态占位页
# 可以通过 error_page 配置实现
error_page 502 503 504 = @admin_fallback;
}
# Admin 服务不可用时的占位页
location @admin_fallback {
default_type text/html;
return 503 'Admin 服务维护中Admin 服务维护中
管理后台暂时不可用，请稍后再试。
';
}
}
}