Alphasfile

sysenv = ["HOME", "USER", "PATH", "LANG", "LC_ALL", "TZ", "TERM", "TMPDIR"]

service "go" "nats-server" {
  git {
    url = "github.com/nats-io/nats-server"
    tag = "v2.14.0"
  }

  vars = {
    client = net::pickport()
    http   = net::pickport()
  }

  arguments {
    values = {
      main = {
        D = false
        V = false
        p = self.vars.client
        m = self.vars.http
      }
    }
  }
}

service "rust" "tansu" {
  crate {
    name     = "tansu"
    features = ["dynostore"]
  }

  vars = {
    kafka = net::pickport()
  }

  arguments {
    values = {
      main = {
        listener-url            = "tcp://127.0.0.1:${self.vars.kafka}"
        advertised-listener-url = "tcp://127.0.0.1:${self.vars.kafka}"
      }
    }
    options {
      prefix = "--"
    }
  }
}

service "go" "prometheus" {
  git {
    url = "github.com/prometheus/prometheus"
    tag = "v3.11.3"
  }
  src { exe = "./cmd/prometheus" }

  vars = {
    port = net::pickport()
  }

  arguments {
    values = {
      main = {
        "config.file"        = self.file.config.path
        "log.format"         = "json"
        "web.listen-address" = ":${self.vars.port}"
        "storage.tsdb.path"  = "${fs::tmp()}/prometheus-data"
      }
    }
    options {
      prefix = "--"
    }
  }

  file "config" {
    path = "${fs::tmp()}/prometheus.yml"
    body = <<-EOT
      global:
        scrape_interval: 15s

      scrape_configs: []
    EOT
  }

  readiness {
    http {
      path = "/-/ready"
      port = self.vars.port
    }
    period            = "200ms"
    timeout           = "1s"
    failure_threshold = 30
  }
}

service "ruby" "ruby-service" {
  git {
    url = "github.com/niwasawa/ruby-sinatra-hello-world"
  }

  # No build {} — the toolchain default for ruby is
  # `bundle config set --local path vendor/bundle && bundle install`,
  # which is exactly what this service needs. Bundler 2.x removed the
  # `--path` flag; the new form writes .bundle/config so `bundle exec`
  # at runtime finds the gems too.

  vars = {
    port = net::pickport()
  }

  env = {
    PORT = self.vars.port
  }

  log {
    format = "plain"
    # Drop ruby backtrace noise ("from …" frames and ":in `…'" tails) so
    # only the app's own output shows. Cheap raw-byte prefix tests gate the
    # regex; see internal/logfilter for the DSL and its cost planner.
    filter = <<-EOT
      hasPrefix(line, "\tfrom ")
      or hasPrefix(line, "/Users/")
      or matches(line, ":in `.*'")
    EOT
  }

  runtime {
    # `rackup` was extracted from rack 3.x into its own gem and the
    # Sinatra-hello-world Gemfile doesn't declare it — use puma (already
    # a dependency) to serve config.ru directly. `-b tcp://host:port`
    # binds explicitly, no separate -o.
    cmd = ["bundle", "exec", "puma", "-b", "tcp://0.0.0.0:${self.vars.port}", "config.ru"]
  }

  readiness {
    http {
      port = self.vars.port
      path = "/"
    }
  }
}