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# nginx config for food.tomflux.xyz
# Adds the MCP location to the existing web-app server block.
#
# The MCP connector is "authless" from claude.ai's side — the long secret in the
# URL path IS the credential. Only that exact prefix is proxied to the FastMCP
# service; everything else under /mcp/ falls through to the catch-all 301.
# Generate the secret once and keep it out of git, e.g.:
#     python -c "import secrets; print(secrets.token_urlsafe(32))"
# then replace REPLACE_WITH_LONG_SECRET below and in the claude.ai connector URL:
#     https://food.tomflux.xyz/mcp/REPLACE_WITH_LONG_SECRET/

server {
    server_name food.tomflux.xyz;

    location /app/ {
        proxy_pass http://127.0.0.1:8042;
        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;
    }

    location /accounts/ {
        proxy_pass http://127.0.0.1:8042;
        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;
    }

    location /static/ {
        proxy_pass http://127.0.0.1:8042;
    }

    # --- MCP server (claude.ai cooking-mode connector) ---
    # Trailing slashes on both sides strip the secret prefix, so the FastMCP
    # service (serving at "/") sees clean paths.
    location /mcp/REPLACE_WITH_LONG_SECRET/ {
        proxy_pass http://127.0.0.1:8765/;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_buffering off;            # MCP Streamable HTTP / SSE
        proxy_read_timeout 3600s;
    }

    location / {
        return 301 /app/;
    }

    # Block API and admin from external access (MCP reaches the API over
    # localhost, so this does not affect it).
    location /api/ { return 404; }
    location /admin/ { return 404; }

    listen 443 ssl; # managed by Certbot
    ssl_certificate /etc/letsencrypt/live/dav.jihakuz.xyz/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/dav.jihakuz.xyz/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot
}

server {
    if ($host = food.tomflux.xyz) {
        return 301 https://$host$request_uri;
    } # managed by Certbot

    server_name food.tomflux.xyz;
    listen 80;
    return 404; # managed by Certbot
}