apiVersion: v1
kind: ConfigMap
metadata:
  name: tier-o-canary
  namespace: tier-o-canary
data:
  nginx.conf: |
    pid /tmp/nginx.pid;

    events {}

    http {
      access_log /dev/stdout;
      error_log /dev/stderr notice;
      client_body_temp_path /tmp/client_body;
      proxy_temp_path /tmp/proxy;
      fastcgi_temp_path /tmp/fastcgi;
      uwsgi_temp_path /tmp/uwsgi;
      scgi_temp_path /tmp/scgi;

      server {
        listen 8080;
        server_name _;

        add_header Cache-Control "no-store" always;
        add_header X-Quorate-Canary "tier-o" always;

        location = /healthz {
          default_type text/plain;
          return 200 "ok\n";
        }

        location / {
          default_type text/plain;
          return 200 "tier-o-canary\n";
        }
      }
    }