upstream backend {
    server backend:5000;
}

upstream frontend {
    server frontend:8000;
}

server {
    listen 8080;
    server_name _;

    location /api/ {
        # Image uploads are limited to 10 MB by the frontend; nginx defaults to 1 MB.
        client_max_body_size 11m;
        proxy_pass http://backend/api/;
        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;
        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;
    }

    location / {
        proxy_pass http://frontend/;
        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;
    }
}