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To provide a complete picture of your application’s infrastructure, you should monitor all servers your application depends on, such as database servers. You can do this by running the AppSignal Agent in Standalone Mode, which allows the agent to run without the need to start it from one of your applications processes.

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Installation methods

Choose the installation method that works best for your infrastructure and what you want to monitor:
  • Linux package: install the standalone agent directly on the host you want to monitor. This is the right choice for host metrics monitoring (CPU, memory, disk, network) as well as receiving StatsD, NGINX and OpenTelemetry data. The Linux package collects host metrics from the machine it runs on.
  • Docker image: run the standalone agent as a container in Docker (Compose) or Kubernetes. This is the right choice for receiving data from other containers via StatsD, NGINX metrics, or OpenTelemetry. The Docker image does not report host metrics — see the Docker image docs for details on why, and what to use instead.