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events {
    worker_connections 1024;
}

http {
    include /etc/nginx/mime.types;
    default_type application/octet-stream;
    
    upstream backend {
        server 127.0.0.1:8002;
    }
    
    upstream frontend {
        server 127.0.0.1:3000;
    }

    server {
        listen 7860;
        server_name localhost;

        # Handle Next.js Image Optimization API with direct serving fallback
        location /_next/image {
            # Extract the image URL from query parameters and redirect internally
            set $image_path "";
            if ($args ~ "url=([^&]+)") {
                set $image_path $1;
            }
            # Remove URL encoding (basic cases)
            if ($image_path ~ "^%2F(.*)") {
                set $image_path /$1;
            }
            
            # Internal redirect to serve the image directly
            if ($image_path != "") {
                rewrite ^.*$ /public-images$image_path last;
            }
            
            return 404;
        }
        
        # Internal location to serve public images
        location /public-images/ {
            internal;
            alias /app/web/public/;
            expires 1y;
            add_header Cache-Control "public, immutable";
        }

        # Serve Next.js static files directly
        location /_next/static/ {
            alias /app/web/.next/static/;
            expires 1y;
            add_header Cache-Control "public, immutable";
        }

        # Serve public files directly from root (logo, favicon, etc.)
        location ~ ^/(starfish_logo\.png|nvidia\.png|microsoft_startups\.png|favicon\.ico|robots\.txt|sitemap\.xml)$ {
            root /app/web/public;
            expires 1y;
            add_header Cache-Control "public";
        }

        # Serve amplify-ui.css and other public CSS files
        location ~ ^/(amplify-ui\.css)$ {
            root /app/web/public;
            expires 1y;
            add_header Cache-Control "public";
        }

        # Handle other public files with /public/ prefix
        location /public/ {
            alias /app/web/public/;
            expires 1y;
            add_header Cache-Control "public";
        }

        # Direct access to FastAPI docs (bypass Next.js)
        location /backend-docs {
            proxy_pass http://backend/docs;
            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_set_header X-Forwarded-Host $host;
            proxy_set_header X-Forwarded-Port $server_port;
        }

        # Direct access to FastAPI OpenAPI schema (bypass Next.js)
        location /backend-openapi.json {
            proxy_pass http://backend/openapi.json;
            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_set_header X-Forwarded-Host $host;
            proxy_set_header X-Forwarded-Port $server_port;
        }

        # Let Next.js handle all other routes
        location / {
            proxy_pass http://frontend;
            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_set_header X-Forwarded-Host $host;
            proxy_set_header X-Forwarded-Port $server_port;
            proxy_buffering off;
            proxy_redirect off;
        }
    }
}