{
  "schema_version": 1,
  "diagram_type": "architecture",
  "meta": {
    "title": "GitHub to Gitea Mirror Architecture",
    "subtitle": "Runtime components and trust boundaries used by sync_mirrors.py for repository mirrors, releases, and streamed release assets",
    "output": "sync_mirrors.architecture.html",
    "viewBox": [1180, 780],
    "animation": "none",
    "visual_preset": "blueprint",
    "quality_profile": "showcase",
    "repository": {
      "url": "https://github.com/Andre-Bzk/github-to-gitea-mirror.git",
      "revision": "18e926a764b6ee969ea61132bd446e22ab250a5b"
    },
    "views": [
      {
        "id": "local-runtime",
        "label": "Local runtime",
        "focus": ["runner", "config", "script", "tmp_asset"],
        "note": "The scheduled or manual run loads configuration and keeps large assets out of RAM."
      },
      {
        "id": "repository-sync",
        "label": "Repository mirror sync",
        "focus": ["script", "github_api", "github_repos", "gitea_api", "gitea_mirrors"],
        "note": "GitHub repository inventory drives Gitea mirror creation and interval alignment."
      },
      {
        "id": "release-assets",
        "label": "Release and asset sync",
        "focus": ["script", "github_releases", "tmp_asset", "gitea_releases"],
        "note": "Release metadata is reconciled and missing assets stream through a temporary file."
      }
    ]
  },
  "components": [
    {
      "id": "runner",
      "type": "external",
      "label": "Runner",
      "sublabel": "cron or shell",
      "pos": [70, 355],
      "size": [126, 62]
    },
    {
      "id": "config",
      "type": "security",
      "label": "Config",
      "sublabel": "env + tokens",
      "pos": [305, 155],
      "size": [134, 64],
      "sources": [
        {
          "path": "sync_mirrors.py",
          "label": "load_config"
        }
      ]
    },
    {
      "id": "script",
      "type": "backend",
      "label": "Sync Script",
      "sublabel": "coordinator",
      "pos": [300, 355],
      "size": [144, 66],
      "sources": [
        {
          "path": "sync_mirrors.py",
          "label": "main"
        }
      ]
    },
    {
      "id": "tmp_asset",
      "type": "database",
      "label": "Temp Asset",
      "sublabel": "chunk buffer",
      "pos": [565, 430],
      "size": [144, 64],
      "sources": [
        {
          "path": "sync_mirrors.py",
          "label": "download asset"
        }
      ]
    },
    {
      "id": "github_api",
      "type": "cloud",
      "label": "GitHub API",
      "sublabel": "REST",
      "pos": [565, 165],
      "size": [136, 64],
      "tag": "Bearer token"
    },
    {
      "id": "github_repos",
      "type": "database",
      "label": "Source Repos",
      "sublabel": "owned projects",
      "pos": [810, 95],
      "size": [142, 64]
    },
    {
      "id": "github_releases",
      "type": "database",
      "label": "GH Releases",
      "sublabel": "metadata + assets",
      "pos": [810, 255],
      "size": [148, 64]
    },
    {
      "id": "gitea_api",
      "type": "cloud",
      "label": "Gitea API",
      "sublabel": "local or LAN",
      "pos": [565, 610],
      "size": [136, 64],
      "tag": "token"
    },
    {
      "id": "gitea_mirrors",
      "type": "database",
      "label": "Pull Mirrors",
      "sublabel": "git backup",
      "pos": [810, 540],
      "size": [142, 64]
    },
    {
      "id": "gitea_releases",
      "type": "database",
      "label": "Gitea Releases",
      "sublabel": "metadata + assets",
      "pos": [810, 680],
      "size": [150, 64]
    }
  ],
  "boundaries": [
    {
      "kind": "region",
      "label": "Local host running sync_mirrors.py",
      "wraps": ["runner", "config", "script", "tmp_asset"]
    },
    {
      "kind": "security-group",
      "label": "Configuration and credentials",
      "wraps": ["config"]
    },
    {
      "kind": "region",
      "label": "GitHub account",
      "wraps": ["github_api", "github_repos", "github_releases"]
    },
    {
      "kind": "region",
      "label": "Gitea instance",
      "wraps": ["gitea_api", "gitea_mirrors", "gitea_releases"]
    }
  ],
  "connections": [
    {
      "id": "starts",
      "from": "runner",
      "to": "script",
      "label": "starts run",
      "variant": "emphasis",
      "labelDy": 46
    },
    {
      "id": "loads",
      "from": "script",
      "to": "config",
      "label": "loads settings",
      "variant": "security"
    },
    {
      "id": "lists-repos",
      "from": "script",
      "to": "github_api",
      "label": "lists repos",
      "variant": "emphasis"
    },
    {
      "id": "repo-source",
      "from": "github_api",
      "to": "github_repos",
      "label": "reads",
      "variant": "default"
    },
    {
      "id": "checks-mirror",
      "from": "script",
      "to": "gitea_api",
      "label": "checks mirrors",
      "variant": "emphasis"
    },
    {
      "id": "mirror-target",
      "from": "gitea_api",
      "to": "gitea_mirrors",
      "label": "create or patch",
      "variant": "emphasis"
    },
    {
      "id": "asset-download",
      "from": "github_releases",
      "to": "tmp_asset",
      "label": "streams asset",
      "variant": "dashed"
    },
    {
      "id": "asset-upload",
      "from": "tmp_asset",
      "to": "gitea_api",
      "label": "uploads asset",
      "variant": "dashed",
      "fromSide": "bottom",
      "toSide": "top"
    },
    {
      "id": "release-api",
      "from": "gitea_api",
      "to": "gitea_releases",
      "label": "create or patch",
      "variant": "default"
    }
  ],
  "cards": [
    {
      "dot": "cyan",
      "title": "Primary responsibility",
      "items": [
        "GitHub is the source of repository and release inventory",
        "The script creates missing Gitea pull mirrors and aligns mirror intervals",
        "Existing Gitea content is preserved rather than deleted"
      ]
    },
    {
      "dot": "rose",
      "title": "Trust boundary",
      "items": [
        "GitHub requests use a Bearer token when configured",
        "Gitea requests use token authentication",
        "Config values come from mirror.env and environment variables"
      ]
    },
    {
      "dot": "emerald",
      "title": "Asset path",
      "items": [
        "Release assets are downloaded in chunks",
        "A temporary file avoids buffering large assets in memory",
        "Multipart upload sends the same stream to Gitea"
      ]
    }
  ]
}