upstream claude2api_upstream {
    server 127.0.0.1:8080;
    keepalive 32;
}

server {
    listen 7860;
    listen [::]:7860;
    server_name _;

    charset utf-8;
    client_max_body_size 50m;

    location = / {
        root /usr/share/nginx/html;
        try_files /index.html =404;
    }

    location = /index.html {
        root /usr/share/nginx/html;
        try_files /index.html =404;
    }

    location = /favicon.ico {
        return 204;
    }

    location = /v1/models {
        default_type application/json;
        alias /usr/share/nginx/html/models.json;
    }

    location /v1/messages {
        proxy_pass http://claude2api_upstream;
        proxy_http_version 1.1;
        proxy_buffering off;
        proxy_read_timeout 3600s;
        proxy_send_timeout 3600s;
        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-Host $host;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Connection "";
    }

    location / {
        proxy_pass http://claude2api_upstream;
        proxy_http_version 1.1;
        proxy_read_timeout 3600s;
        proxy_send_timeout 3600s;
        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-Host $host;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Connection "";
    }
}