nginx.conf

server {
    listen 80;
    server_name _;

    # Allow large audio uploads (default 1MB is too small)
    client_max_body_size 500M;

    root /usr/share/nginx/html;
    index index.html;

    # Frontend SPA — all non-API routes → index.html
    location / {
        try_files $uri $uri/ /index.html;
    }

    # SSE endpoints — must be BEFORE the generic /api/ block
    # These need special proxy settings to disable buffering for streaming
    location ~ ^/api/(translate|summarize|logs) {
        rewrite ^/api/(.*) /$1 break;
        proxy_pass http://backend:8765;
        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 Connection '';
        proxy_http_version 1.1;
        chunked_transfer_encoding off;
        proxy_buffering off;
        proxy_cache off;
        proxy_read_timeout 3600s;
    }

    # Audio download — may involve ffmpeg conversion, needs long timeout
    location ~ ^/api/meetings/\d+/audio {
        rewrite ^/api/(.*) /$1 break;
        proxy_pass http://backend:8765;
        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_read_timeout 300s;
        proxy_send_timeout 300s;
    }

    # Generic API proxy → Python backend
    location /api/ {
        rewrite ^/api/(.*) /$1 break;
        proxy_pass http://backend:8765;
        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 120s;
    }

    # WebSocket proxy
    location /ws/ {
        rewrite ^/ws/(.*) /ws/$1 break;
        proxy_pass http://backend:8765;
        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_read_timeout 3600s;
    }
}