# Tier-1 API hub: one nginx listener; path-based routes to internal Phoenix + dbis_core.
# Upstreams = loopback on same LXC after you colocate processes, or LAN IPs during migration.
#
# Adjust upstream addresses/ports to match ALL_VMIDS_ENDPOINTS / your compose layout.

upstream sankofa_phoenix_graphql {
    server 127.0.0.1:4000;
    keepalive 32;
}

upstream dbis_core_rest {
    server 127.0.0.1:3000;
    keepalive 32;
}

server {
    listen 8080;
    server_name _;

    # Optional: restrict to NPM / LAN source IPs
    # allow 192.168.11.0/24;
    # deny all;

    location = /health {
        default_type application/json;
        return 200 '{"status":"hub-up"}';
    }

    location /graphql {
        proxy_http_version 1.1;
        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 300s;
        proxy_pass http://sankofa_phoenix_graphql;
    }

    location /graphql-ws {
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
        proxy_set_header Accept-Encoding "";
        proxy_buffering off;
        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 3600s;
        proxy_pass http://sankofa_phoenix_graphql;
    }

    location /api/ {
        proxy_http_version 1.1;
        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_pass http://dbis_core_rest;
    }

    location /api-docs {
        proxy_pass http://dbis_core_rest;
    }
}