system-monitor

Production-ready system metrics REST API (Go).

Requirements

• Go 1.20+
• Optional: Docker socket (/var/run/docker.sock) for container info
• Optional: nvidia-smi in PATH for GPU info
• Optional: lm-sensors / kernel sensors for temperatures

Build & Run

make build
./bin/sysinfo

Or run in Docker:

docker build -t sysinfo:latest .
docker run -p 3000:3000 --rm \
  -v /var/run/docker.sock:/var/run/docker.sock:ro \
  --pid=host \
  --cap-add SYS_ADMIN \
  sysinfo:latest

API

• GET /healthz
• GET /api/system/cpu
• GET /api/system/memory
• GET /api/system/disk
• GET /api/system/network
• GET /api/system/processes
• GET /api/system/info
• GET /api/system/gpu
• GET /api/system/containers

Notes

• Some features require host-level permissions/tools; see Requirements.
• Replace module name in go.mod if you want a proper module path.