# Podman/Docker：静态 proxy_pass 会在启动时解析 upstream；gateway 尚未进 DNS 时会 emerg 退出。
# 变量 + resolver 改为请求时解析；127.0.0.11=Docker 内置 DNS，10.89.0.1=常见 Podman aardvark。
resolver 127.0.0.11 10.89.0.1 valid=10s ipv6=off;

server {
    listen 80;
    server_name _;
    root /usr/share/nginx/html;
    index index.html;

    location /api/ {
        set $gw_upstream gateway:8180;
        proxy_pass http://$gw_upstream;
        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 Authorization $http_authorization;
        client_max_body_size 64m;
    }

    location /ai/ {
        set $gw_upstream gateway:8180;
        proxy_pass http://$gw_upstream;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header Authorization $http_authorization;
        client_max_body_size 64m;
    }

    location /gateway/ {
        set $gw_upstream gateway:8180;
        proxy_pass http://$gw_upstream;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
    }

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