{
    // Comprehensive template — every key the OSS backend or shipped (non-prod)
    // extensions read. Copy to `config.json` and trim what you don't need;
    // unset keys fall back to documented defaults. See
    // `src/backend/types.ts` for the per-field source of truth.
    //
    // Each setting lives at exactly one canonical key — there are no fallback
    // aliases. Values shown are illustrative, not production secrets.
    //
    // Keys consumed only by closed-source / hosted-prod extensions (clickhouse,
    // cacheUpdateHandler, pages, prodMeteringAndBilling, …) are intentionally
    // omitted.

    // ── Environment / identity ──────────────────────────────────────────
    "config_name": "template",
    // `dev` opens a browser on boot, skips blocked-email checks, and runs the
    // dev-time webpack watcher; `prod` serves pre-built bundles.
    "env": "dev",
    "version": "0.0.0",
    // Stable identity for this server node — used by pager alerts and
    // graceful-shutdown coordination.
    "serverId": "node-1",

    // ── Networking / URLs ───────────────────────────────────────────────
    // Port Puter listens on internally.
    "port": 4100,
    // Externally-visible port (set this when behind a reverse proxy on 80/443).
    "pub_port": 4100,
    "protocol": "http",
    "domain": "puter.localhost",
    // Fully-qualified externally-visible URL. Computed from protocol/domain/
    // pub_port if unset.
    "origin": "http://puter.localhost:4100",
    // Public base URL for the API subdomain (used to build signed URLs and
    // surfaced to the client by the `installedApps` and `whoami` extensions).
    "api_base_url": "http://api.puter.localhost:4100",
    // Subdomains Puter routes on. Wildcard DNS (`*.<domain>`) must point at
    // this server for site/app hosting to work.
    "static_hosting_domain": "site.puter.localhost",
    "static_hosting_domain_alt": "host.puter.localhost",
    "private_app_hosting_domain": "app.puter.localhost",
    "private_app_hosting_domain_alt": "dev.puter.localhost",
    // Host-header / domain handling. Defaults below are the dev-friendly
    // settings; tighten for any public install.
    "allow_all_host_values": true,
    "allow_no_host_header": true,
    "allow_nipio_domains": false,
    "custom_domains_enabled": false,
    "enable_ip_validation": false,
    // Express `trust proxy` setting — set to the number of reverse-proxy
    // hops in front of the server (1 = nginx/Cloudflare, 2 = CF→ALB→app),
    // or to a CIDR / IP / list. `false` (safe default) makes `req.ip` the
    // direct socket peer. NEVER set to `true` in prod — it trusts every hop
    // and makes X-Forwarded-For forgeable.
    "trust_proxy": false,
    "no_browser_launch": false,

    // ── Dev watcher (devWatcher extension) ──────────────────────────────
    // Rebuilds GUI + puter.js on file changes when running from source.
    // Ignored when `env: "prod"` unless `devwatch.enabled: true`.
    "no_devwatch": false,
    "devwatch": {
        // Delay after watcher startup before boot continues. Lets webpack
        // emit its first build so the homepage doesn't 404 on bundle.min.js.
        "ready_delay_ms": 5000
    },

    // ── Auth / session ──────────────────────────────────────────────────
    // ALWAYS replace these for any public install — `openssl rand -hex 64`.
    "jwt_secret": "change-me",
    "url_signature_secret": "change-me",
    "cookie_name": "puter_auth_token",
    "min_pass_length": 6,
    "allow_system_login": false,
    "strict_email_verification_required": false,
    "captcha": {
        "enabled": false,
        "difficulty": "medium"
    },
    "oidc": {
        "providers": {
            // Google uses OIDC discovery — only ids are required.
            "google": {
                "client_id": "",
                "client_secret": "",
                "scopes": "openid email profile"
            },
            // Custom OIDC providers must also supply the three endpoints.
            "custom-oidc": {
                "client_id": "",
                "client_secret": "",
                "authorization_endpoint": "",
                "token_endpoint": "",
                "userinfo_endpoint": "",
                "scopes": "openid email profile"
            }
        }
    },

    // ── Groups / provisioning ───────────────────────────────────────────
    // UIDs of the persistent groups new users are auto-enrolled in.
    "default_user_group": "78b1b1dd-c959-44d2-b02c-8735671f9997",
    "default_temp_group": "b7220104-7905-4985-b996-649fdcdb3c8f",
    // When true, ACL grants read/list on `/<user>/Public` to any actor.
    "enable_public_folders": true,

    // ── Storage / S3 ────────────────────────────────────────────────────
    "s3": {
        // Local fauxqs (in-process S3-compatible) — used in dev and the
        // bundled-defaults Docker mode. Files land under `dataDir`.
        "localConfig": {
            "inMemory": false,
            "host": "127.0.0.1",
            "port": 4566,
            "dataDir": "volatile/runtime/fauxqs-data",
            "s3StorageDir": "volatile/runtime/fauxqs-s3-data"
        },
        // For real / external S3, replace `localConfig` above with `s3Config`.
        "_remote_example": {
            "s3Config": {
                "useCredentialChain": false,
                "endpoint": "https://s3.example.com",
                // Endpoint used in presigned URLs handed to the browser. Set
                // this when the server-side endpoint isn't reachable from the
                // browser (e.g. docker-internal `http://s3:9000`).
                "publicEndpoint": "",
                "accessKeyId": "",
                "secretAccessKey": "",
                "region": "us-west-2",
                // Set true for RustFS / MinIO / fauxqs (path-style URLs).
                // Real AWS S3 wants virtual-hosted — leave unset / false.
                "forcePathStyle": false
            }
        }
    },
    "s3_bucket": "puter-local",
    "s3_region": "us-west-2",
    "region": "us-west-2",
    // Default per-user storage cap (bytes). 100 MB.
    "storage_capacity": 104857600,
    "is_storage_limited": false,
    "available_device_storage": 0,
    // ── Thumbnails (thumbnails extension) ───────────────────────────────
    // Optional dedicated S3-compatible bucket for generated thumbnails.
    // When unset (or `endpoint` empty), the extension falls back to the
    // main S3 client / bucket above.
    "thumbnailStore": {
        "name": "puter-local",
        "endpoint": "",
        "credentials": {
            "accessKeyId": "",
            "secretAccessKey": ""
        }
    },

    // ── Database ────────────────────────────────────────────────────────
    "database": {
        // `sqlite` for single-node / dev; `mysql` for self-host with MariaDB.
        "engine": "sqlite",
        // sqlite — file path on disk
        "path": "volatile/runtime/puter-database.sqlite",
        "targetVersion": 0,
        // mysql — connection details
        "host": "",
        "port": 3306,
        "user": "",
        "password": "",
        "database": "",
        // Optional read-replica pool. Reads route here when populated.
        "replica": {
            "host": "",
            "port": 3306,
            "user": "",
            "password": "",
            "database": ""
        }
        // mysql self-host bootstrap: set `migrationPaths` to apply the bundled
        // schema on first boot. Idempotent — safe to leave on.
        // "migrationPaths": ["./src/backend/clients/database/migrations/mysql"]
    },

    // ── DynamoDB (KV store) ─────────────────────────────────────────────
    "dynamo": {
        // Local emulator (dynamodb-local) endpoint. Drop this field for real
        // AWS DynamoDB.
        "endpoint": "http://localhost:8000",
        // Set true when pointing at a local emulator so Puter creates the KV
        // table on boot. NEVER set against real AWS — provision via IaC.
        // "bootstrapTables": true,
        "path": "",
        // Credentials. NOTE: snake_case here, unlike `s3.s3Config` below.
        // For dynamodb-local, any non-empty values work.
        "aws": {
            "access_key": "",
            "secret_key": "",
            "region": "us-west-2"
        }
    },

    // ── Redis / Valkey (cache + cross-node rate limit) ──────────────────
    "redis": {
        // True → in-process redis-mock (dev / single-node).
        "useMock": true,
        // Cluster nodes for ioredis. For a single Valkey/Redis container,
        // run it in cluster mode (one node, all slots).
        "startupNodes": [
            {
                "host": "127.0.0.1",
                "port": 7000
            }
        ]
        // Defaults to true (matches prod ElastiCache). Set false for plain-TCP
        // self-host Valkey/Redis.
        // "tls": false
    },

    // ── Email (transactional) ───────────────────────────────────────────
    // Nodemailer transport — used for password resets, email confirmation, etc.
    "email": {
        "from": "\"Puter\" <no-reply@puter.com>",
        "host": "smtp.example.com",
        "port": 587,
        "secure": false,
        "service": "",
        "auth": {
            "user": "",
            "pass": ""
        }
    },

    // ── Rate limiting ───────────────────────────────────────────────────
    // `memory` for single-node, `redis` for multi-node (default), `kv` for
    // dynamo-backed counters.
    "rate_limit": {
        "backend": "redis"
    },

    // ── AI / integration providers ──────────────────────────────────────
    // All AI drivers (chat, image, video, TTS, OCR, STT) read from here.
    // Provider id == driver-side identifier. Leave empty / omit to disable.
    "providers": {
        // ─ Chat / completion ─
        "claude": { "apiKey": "" },
        "openai-completion": { "apiKey": "" },
        "gemini": { "apiKey": "" },
        "groq": { "apiKey": "" },
        "deepseek": { "apiKey": "" },
        "mistral": { "apiKey": "" },
        "xai": { "apiKey": "" },
        "moonshot": { "apiKey": "" },
        "openrouter": {
            "apiKey": "",
            "apiBaseUrl": "https://openrouter.ai/api/v1"
        },
        "together-ai": { "apiKey": "" },
        // Local Ollama. `enabled: false` skips the auto-probe at startup
        // (otherwise Puter logs ECONNREFUSED on every boot when no Ollama
        // is running).
        "ollama": {
            "enabled": false,
            "apiBaseUrl": "http://localhost:11434"
        },

        // ─ Image generation ─
        "openai-image-generation": { "apiKey": "" },
        "gemini-image-generation": { "apiKey": "" },
        "together-image-generation": { "apiKey": "" },
        "cloudflare-image-generation": {
            "apiToken": "",
            "accountId": "",
            "apiBaseUrl": "https://api.cloudflare.com/client/v4"
        },
        "xai-image-generation": { "apiKey": "" },

        // ─ Video generation ─
        "openai-video-generation": { "apiKey": "" },
        "together-video-generation": { "apiKey": "" },
        "gemini-video-generation": { "apiKey": "" },

        // ─ Speech / OCR ─
        "openai": { "apiKey": "" },
        "elevenlabs": {
            "apiKey": "",
            "apiBaseUrl": "https://api.elevenlabs.io",
            "defaultVoiceId": "",
            "speechToSpeechModelId": ""
        },
        "aws-polly": {
            "access_key": "",
            "secret_key": "",
            "region": "us-west-2"
        },
        "aws-textract": {
            "access_key": "",
            "secret_key": "",
            "region": "us-west-2"
        },
        "mistral-ocr": { "apiKey": "" }
    },

    // ── GUI / static mounts ─────────────────────────────────────────────
    "gui_assets_root": "./src/gui",
    "gui_profile": "development",
    "builtin_apps": {
        "dev-center": "./src/dev-center"
    },
    // Force the bundled GUI even in dev — set true when running from a
    // pre-built tree without webpack-dev-server.
    "use_bundled_gui": false,
    "gui_bundle": "/dist/bundle.min.js",
    "gui_css": "/dist/bundle.min.css",
    "gui_puterjs_bundle": "https://js.puter.com/v2/",
    "gui_params": {
        "title": "Puter",
        "short_description": "Your personal cloud computer",
        "social_media_image": ""
    },
    // Optional roots for native app bundles and custom puter.js builds.
    "native_apps_root": "",
    "client_libs_root": "",
    "puterjs_root": "./src/puter-js/dist",

    // ── Feature flags (whoami extension) ────────────────────────────────
    // Flat `{ flag_name: boolean }` bag. Server-only by default — flags are
    // only surfaced to the client if their key is on the allowlist in
    // `extensions/whoami.ts` (CLIENT_VISIBLE_FEATURE_FLAGS).
    "feature_flags": {
        "example_flag": false
    },

    // ── Misc / safety ───────────────────────────────────────────────────
    // TLDs / domains rejected at signup (prod only).
    "blockedEmailDomains": [],
    "support_email": "support@puter.com",
    // Worker / subdomain names users can't claim.
    "reserved_words": [],
    "max_subdomains_per_user": 10,
    "server_health": {
        "db_liveness_latency_fail_ms": 1500,
        "stale_health_loop_fail_ms": 0
    },

    // ── Extensions ──────────────────────────────────────────────────────
    // Directories scanned for extension entrypoints (`*.ts` / subdirs).
    "extensions": [
        "./extensions"
    ],

    // ── Metering ────────────────────────────────────────────────────────
    // When true, all metering checks pass — no per-actor limits enforced.
    "unlimitedMetering": false
}