Project Control — portainer

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{
  "project": "portainer",
  "mission": "Maintain and operate the Portainer Community Edition (CE v2.39.4) container management UI on VM101 (host port 9000, managing Docker via /var/run/docker.sock and portainer_data volume), establish formal documentation/ownership in the Obsidian vault, and ensure container and volume lifecycle operations do not disrupt co-tenant SCADA or agent services.",
  "read_first": [
    "output/census-latest.json",
    "/data/vault/wiki/projects/pjt2-scada.md",
    "/data/vault/wiki/hot.md",
    "/data/vault/wiki/log.md",
    "/data/vault/wiki/projects/_index.md",
    "output/judgment-2026-08-25.md"
  ],
  "verification_anchor": {
    "command": "curl -s http://192.168.1.201:9000/api/status && echo \"\" && docker ps --filter \"name=portainer\" --format \"table {{.Names}}\\t{{.Image}}\\t{{.Status}}\\t{{.Ports}}\"",
    "expect": "{\"Version\":\"2.39.4\",\"InstanceID\":\"6c93d6c2-df70-4624-b7d9-e3ca8ced2ae1\"} and 1 active container named portainer running image portainer/portainer-ce:latest with status Up and port mapping 0.0.0.0:9000->9000/tcp."
  },
  "project_context": {
    "what_it_is": "Portainer Community Edition (CE v2.39.4) web-based Docker container management UI running as a standalone infrastructure service on VM101, providing graphical container, volume, network, and image inspection and management.",
    "domain_notes": "Portainer runs containerized on VM101 (192.168.1.201), with container port 9000 mapped to host port 9000 (0.0.0.0:9000->9000/tcp). External access is routed through Proxmox ZeroTier DNAT (:9000 -> 192.168.1.201:9000). The container has a bind mount to the host Docker daemon UNIX socket (/var/run/docker.sock) for container engine control and uses a Docker named volume (portainer_data mounted at /data) for persistent application configuration, user accounts, and environment definitions. In the project controller census (census-latest.json), Portainer is categorized under container_project_map as \"infra (unowned by any project page)\" because it has no dedicated markdown note in /data/vault/wiki/projects/, no Git repository, and no /opt/* filesystem deployment directory."
  },
  "tech_stack": {
    "application": "Portainer Community Edition 2.39.4 (Docker image portainer/portainer-ce:latest)",
    "host_runtime": "Docker on VM101 (Ubuntu Linux host 192.168.1.201, bridge network mode)",
    "storage": "Docker named volume \"portainer_data\" mounted to container \"/data\" (persisted at /var/lib/docker/volumes/portainer_data/_data on VM101)",
    "daemon_integration": "Host Docker daemon socket bind mount (/var/run/docker.sock:/var/run/docker.sock)",
    "networking_and_ports": "Container port 9000 mapped to host port 9000 (0.0.0.0:9000->9000/tcp); remote web access via Proxmox ZeroTier DNAT http://10.241.131.219:9000",
    "codebase": "none (standalone off-the-shelf third-party Docker container deployment; no custom application source code or git tracking)"
  },
  "current_state": {
    "summary": "Portainer CE v2.39.4 container is healthy and actively running on VM101 (Up 6+ days). It is mapped to host port 9000 and connects directly to /var/run/docker.sock with state persisted in named volume portainer_data. Currently categorized as unowned fleet infrastructure (\"infra (unowned by any project page)\") with no dedicated Obsidian wiki note, Gitea repo, or /opt directory.",
    "source_of_this_status": "output/census-latest.json (containers, container_project_map) + output/judgment-2026-08-25.md (§1.10) + live verification (docker inspect portainer, curl http://192.168.1.201:9000/api/status) + vault pages /data/vault/wiki/projects/pjt2-scada.md, /data/vault/wiki/hot.md, and /data/vault/wiki/log.md"
  },
  "repo_locations": {
    "upstream_docker_image": "portainer/portainer-ce:latest (Docker Hub official image repository)",
    "gitea": "none (no private Gitea repository exists for this third-party utility deployment)",
    "local_clone": "none (no application source code repository or local git clone exists on VM101)",
    "web_ui_zerotier": "http://10.241.131.219:9000 (Proxmox DNAT → VM101 :9000)",
    "web_ui_internal": "http://192.168.1.201:9000 (VM101 LAN IP)",
    "host_data_volume": "portainer_data (/var/lib/docker/volumes/portainer_data/_data on VM101 host)"
  },
  "key_files": {
    "/data/vault/wiki/projects/pjt2-scada.md": "Obsidian note documenting VM101 Docker container inventory and Proxmox ZeroTier port forwarding (:9000 -> :9000)",
    "/data/vault/wiki/hot.md": "Documents VM101 fleet co-tenancy rules (13 production containers), operational constraints, and safety invariants",
    "/data/vault/wiki/log.md": "Documents host network topology, root-equivalent Docker socket permissions, and census collector unowned container mapping",
    "/var/run/docker.sock": "VM101 host Docker daemon UNIX socket bind-mounted into container to provide container management capabilities",
    "/var/lib/docker/volumes/portainer_data": "VM101 host directory for the Docker named volume containing Portainer internal database, settings, and credentials"
  },
  "next_steps": [
    "Monitor Portainer container health and web UI availability via \"docker ps --filter name=portainer\" and \"curl -s http://192.168.1.201:9000/api/status\".",
    "Create a dedicated infrastructure project note in the Obsidian vault (/data/vault/wiki/projects/portainer.md) and link it in /data/vault/wiki/projects/_index.md to formally establish project ownership, administrator credentials runbook, and network topology.",
    "Update collector configuration (config.json) in project-control if the container\\x27s ownership is formally assigned to a dedicated project page in future census runs.",
    "Before applying any future Portainer CE container image updates, perform a backup snapshot of the portainer_data volume using \"docker run --rm -v portainer_data:/source -v /tmp:/backup alpine tar czf /backup/portainer_data_backup.tar.gz -C /source .\".",
    "Maintain strict access controls on the Portainer web UI since administrative access to Portainer grants full root equivalent control over all VM101 containers and host resources."
  ],
  "constraints": [
    "Never run \"docker prune\" or destructive container/volume removal commands on VM101 — 13 production SCADA containers and the agent fleet are co-tenant on this host.",
    "Do not expose Portainer to public Tailscale Funnel: Portainer controls /var/run/docker.sock (full root equivalent on VM101); access must remain strictly restricted to local LAN and authenticated ZeroTier/Tailscale access.",
    "Port conflict invariant: Portainer must remain bound to host port 9000 to match the existing Proxmox DNAT port forwarding configuration (10.241.131.219:9000 -> 192.168.1.201:9000).",
    "Preserve named volume: Never delete or recreate the container without preserving the \"portainer_data\" named volume, which stores Portainer internal state and user authentication records.",
    "Do not stop, restart, or modify co-tenant production containers (e.g. scada-admin, postgres, influxdb, grafana, gitea, doc-control, sms-finance) from within the Portainer UI without explicit approval."
  ],
  "known_staleness_warning": "The Obsidian vault lacks a dedicated project page for Portainer (/data/vault/wiki/projects/portainer.md does not exist). Portainer is only mentioned as a line item in /data/vault/wiki/projects/pjt2-scada.md (where it was listed under SCADA containers as of 2026-07-14) and in /data/vault/wiki/log.md (in the list of 13 co-tenant containers and collector unowned mapping notes). Additionally, older vault references document access primarily via ZeroTier IP http://10.241.131.219:9000 without noting the direct VM101 LAN IP http://192.168.1.201:9000.",
  "handoff_metadata": {
    "created": "2026-08-25",
    "created_by": "project-control automated continue-prompt generator",
    "all_facts_sourced_from": "census-latest.json + /data/vault/wiki/projects/pjt2-scada.md + /data/vault/wiki/hot.md + /data/vault/wiki/log.md + /data/vault/wiki/projects/_index.md + output/judgment-2026-08-25.md"
  }
}
portainer

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