Docker & Kubernetes (K3s) OPC UA to MQTT Edge Gateway

Deploy deterministic PLC-to-Cloud and local Mosquitto MQTT bridges in 60 seconds with signed multi-arch OCI containers (linux/amd64, arm64, armv7) under 18MB image size and <50MB RAM.

Container Security & Fleet Features

• Hardened Runtime: Runs non-root (UID 10001) with read_only: true root filesystem and cap_drop: [ALL].
• Persistent Store & Forward: Mount a persistent Docker volume at /var/lib/opcua2mqtt for crash-proof WAL buffering.
• Kubernetes & Portainer Ready: Built-in /healthz readiness probe and Prometheus /metrics endpoint.

services:
  opcua2mqtt:
    image: ghcr.io/arnooo/opcua2mqtt:latest
    restart: unless-stopped
    read_only: true
    volumes:
      - ./config.toml:/etc/opcua2mqtt/config.toml:ro
      - wal_data:/var/lib/opcua2mqtt

60s Docker Quickstart | Free Core License