# nginx config for production. Phase 0 ships as deliverable; deploy in Phase 6.
#
# Routes:
#   /            -> hub (Next.js) on :3000
#   /live-map/   -> live-map (Vite preview) on :3001
#   /api/        -> API (Hono) on :4000
#   /ws          -> API WebSocket upgrade for /api/v1/live

upstream hub {
    server 127.0.0.1:3000;
}
upstream map {
    server 127.0.0.1:3001;
}
upstream api {
    server 127.0.0.1:4000;
}

server {
    listen 80;
    server_name _;

    client_max_body_size 25m;

    # Hub
    location / {
        proxy_pass http://hub;
        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_cache_bypass $http_upgrade;
    }

    # Live map (mounted under /live-map/ so assets resolve)
    location /live-map/ {
        proxy_pass http://map/;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
    }

    # API + WebSocket
    location /api/ {
        proxy_pass http://api;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_read_timeout 86400; # keep WebSockets open
    }
}

# Map for WebSocket connection upgrade
map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
}