boulder/test/config-next/health-checker.json

{
  "grpc": {
    "timeout": "1s"
  },
  "tls": {
    "caCertFile": "test/grpc-creds/minica.pem",
    "certFile": "test/grpc-creds/health-checker.boulder/cert.pem",
    "keyFile": "test/grpc-creds/health-checker.boulder/key.pem"
  }
}