This is a very minimal setup how to achieve a minimal metrics server for a small project or an embedded setup. Install VictoriaMetrics. https://docs.victoriametrics.com/quick-start/#starting-vm-single-from-a-binary
Essentially:
VM_VERSION="v1.112.0"
wget -O /tmp/victoria-metrics.tar.gz "https://github.com/VictoriaMetrics/VictoriaMetrics/releases/download/${VM_VERSION}/victoria-metrics-linux-arm64-${VM_VERSION}.tar.gz"
sudo tar -xvf /tmp/victoria-metrics.tar.gz -C /usr/local/bin
sudo useradd -s /usr/sbin/nologin victoriametrics || true