Environment variables

This page is the runtime environment-variable reference for apps/server.

Notes:

Legacy aliases prefixed with HAPPY_ are still accepted where listed, but HAPPIER_ is preferred.
Billing/subscription provider secrets are intentionally not documented on this page.

Getting started: required vs recommended

The server has many environment variables because it supports multiple storage/auth/networking topologies. Most deployments only need a small subset.

Required for most production deployments

HANDY_MASTER_SECRET Required for apps/server to protect server-managed secrets. Use a long random value and keep it stable across restarts.
DATABASE_URL (full flavor / external DB) Required when HAPPIER_DB_PROVIDER=postgres|mysql.
HAPPIER_DB_PROVIDER Pick your DB backend (postgres is the default in .env.example).
File storage settings for your chosen backend:
- HAPPIER_FILES_BACKEND=local: no extra required env, or
- HAPPIER_FILES_BACKEND=s3: requires S3_* credentials + S3_PUBLIC_URL

Strongly recommended (prevents pairing / mobile URL confusion)

HAPPIER_PUBLIC_SERVER_URL Canonical/share server URL embedded in QR codes/deep links and advertised via GET /v1/features. This should be the URL your phone can reach (ideally https://...).
HAPPIER_WEBAPP_URL (when self-hosting the web UI, or for OAuth return-to) Base URL for the web client and OAuth redirects. Optional if you use the hosted web app at https://app.happier.dev.

Recommended when behind a reverse proxy

HAPPIER_SERVER_TRUST_PROXY=1 for typical single-proxy setups (Caddy/Nginx/Traefik), so the server can safely use X-Forwarded-* for request.ip and protocol detection.

Nice-to-have

API rate limits: HAPPIER_API_RATE_LIMITS_* (recommended baseline is included below)
Metrics: METRICS_*

Canonical template

Use /apps/server/.env.example as the canonical template.

Typical workflow:

cp apps/server/.env.example apps/server/.env

Then:

local/dev: load values from apps/server/.env,
Docker/Compose/platforms: copy the same key/value set into your deployment env/secret manager.

Core runtime

PORT (default 3005)
HAPPIER_SERVER_HOST (alias: HAPPY_SERVER_HOST, default 0.0.0.0)
NODE_ENV
SERVER_ROLE (all | api | worker, default all)
HANDY_MASTER_SECRET (required unless auto-generated in light flavor)
DATABASE_URL (required for full flavor; optional for light)
HAPPIER_DB_PROVIDER (alias: HAPPY_DB_PROVIDER) Values: postgres | mysql | pglite | sqlite
HAPPIER_FILES_BACKEND (alias: HAPPY_FILES_BACKEND) Values: s3 | local
HAPPIER_SOCKET_ADAPTER (alias: HAPPY_SOCKET_ADAPTER) Values: memory | redis-streams
HAPPIER_SOCKET_REDIS_ADAPTER (alias: HAPPY_SOCKET_REDIS_ADAPTER) Legacy boolean toggle; prefer HAPPIER_SOCKET_ADAPTER=redis-streams
REDIS_URL (required when Redis adapter is enabled)
HAPPIER_INSTANCE_ID (alias: HAPPY_INSTANCE_ID) Stable process identifier for logs/cluster behavior
METRICS_ENABLED (default true)
METRICS_PORT (default 9090)

Networking / reverse proxy

HAPPIER_SERVER_TRUST_PROXY (optional) Controls whether the server trusts X-Forwarded-* headers for client IP / protocol when running behind a reverse proxy.
- unset: use framework defaults (do not trust forwarded headers)
- true: trust all proxy hops (only safe if the server is not directly reachable)
- false: never trust forwarded headers
- <number>: trust the last N hops (0 is equivalent to false; recommended for typical single-proxy setups: 1)

Canonical URLs (QR/deep links, recommended)

HAPPIER_PUBLIC_SERVER_URL Canonical/share URL for your server. Clients embed this in terminal-connect deep links and QR codes, and the server advertises it via GET /v1/features under capabilities.server.canonicalServerUrl.
- Use the URL that works from your phone (prefer https://...).
- If you intentionally run LAN-only, using http://<lan-ip>:3005 is fine, but QR/deep links will only work on the same LAN/VPN.
- If this is unset, or if the active server URL resolves to loopback-only (localhost, 127.0.0.1, ::1, *.localhost), Happier may intentionally omit the server URL from mobile-oriented QR/deep links instead of embedding a broken address.
HAPPIER_WEBAPP_URL (alias: HAPPY_WEBAPP_URL) Base URL for the web client. The server advertises it via GET /v1/features under capabilities.server.webappUrl.
- For the hosted web app: keep default https://app.happier.dev.
- For self-hosted UI: set this to your UI origin (often the same as HAPPIER_PUBLIC_SERVER_URL).

User impact:

Add your phone
Restore account
CLI/mobile auth QR links
configure-server links

all work best when the embedded server URL is reachable from the target phone/device.

If users see a hint telling them to configure the phone’s server manually, that usually means the current server URL is loopback-only and cannot safely be shared cross-device.

Tailscale Serve inference (optional)

If HAPPIER_PUBLIC_SERVER_URL is unset and the server is exposed via tailscale serve, the server can best-effort infer the https://<machine>.<tailnet>.ts.net URL at boot.

HAPPIER_TAILSCALE_INFER_PUBLIC_URL (default true) Set to 0 to disable inference.
HAPPIER_TAILSCALE_BIN (default tailscale) Override the tailscale binary path/name.
HAPPIER_TAILSCALE_SERVE_STATUS_TIMEOUT_MS (default 750) Timeout for tailscale serve status probing (bounded to 1..10000).

API rate limits

Rate limiting is implemented via @fastify/rate-limit. Each *_WINDOW value accepts human-readable durations like 30 seconds, 1 minute, 5 minutes.

For hot endpoints, the server resolves per-route limits from a centralized catalog. Env var names follow a consistent pattern:

HAPPIER_<ID>_RATE_LIMIT_MAX
HAPPIER_<ID>_RATE_LIMIT_WINDOW

Where <ID> is the uppercase snake-case id (for example account.profile → ACCOUNT_PROFILE, session.messages.byLocalId → SESSION_MESSAGES_BY_LOCAL_ID).

Global controls:

HAPPIER_API_RATE_LIMITS_ENABLED (default true) Set to 0/false to disable all API rate limits.
HAPPIER_API_RATE_LIMITS_GLOBAL_MAX (default 0) Optional global limit applied to all routes. Set to 0 to disable.
HAPPIER_API_RATE_LIMITS_GLOBAL_WINDOW (default 1 minute)
HAPPIER_API_RATE_LIMITS_GLOBAL_KEY_STRATEGY (default ip-only) Controls how the global rate limit is keyed:
- ip-only: key by request.ip (recommended storm shield)
- user-or-ip: key by verified user id when a valid Bearer token is present, otherwise fall back to IP
HAPPIER_API_RATE_LIMITS_ROUTE_KEY_STRATEGY (default user-or-ip) Controls how authenticated hot endpoints are keyed (public endpoints remain IP-keyed):
- user-or-ip: key by verified user id when a valid Bearer token is present, otherwise fall back to IP
- ip-only: key by request.ip (coherent but can throttle shared IPs/NAT)

IP notes:

All IP-based keying uses Fastify’s request.ip.
Behind a reverse proxy, configure HAPPIER_SERVER_TRUST_PROXY so request.ip reflects the real client address.

Recommended baseline:

Enable a global “storm shield” in production by setting:
- HAPPIER_API_RATE_LIMITS_GLOBAL_MAX=3000
- HAPPIER_API_RATE_LIMITS_GLOBAL_WINDOW=1 minute
- HAPPIER_API_RATE_LIMITS_GLOBAL_KEY_STRATEGY=ip-only
Keep route keying as:
- HAPPIER_API_RATE_LIMITS_ROUTE_KEY_STRATEGY=user-or-ip

If you have many users behind a shared NAT/VPN egress IP, increase HAPPIER_API_RATE_LIMITS_GLOBAL_MAX to avoid throttling legitimate traffic.

Hot endpoints (set *_MAX=0 to disable a specific limit):

HAPPIER_SESSION_MESSAGES_RATE_LIMIT_MAX (default 600)
HAPPIER_SESSION_MESSAGES_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_SESSION_MESSAGES_BY_LOCAL_ID_RATE_LIMIT_MAX (default 600)
HAPPIER_SESSION_MESSAGES_BY_LOCAL_ID_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_SESSIONS_LIST_RATE_LIMIT_MAX (default 300)
HAPPIER_SESSIONS_LIST_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_CHANGES_RATE_LIMIT_MAX (default 600)
HAPPIER_CHANGES_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_FEATURES_RATE_LIMIT_MAX (default 120)
HAPPIER_FEATURES_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_MACHINES_RATE_LIMIT_MAX (default 300)
HAPPIER_MACHINES_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_ARTIFACTS_RATE_LIMIT_MAX (default 300)
HAPPIER_ARTIFACTS_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_FEED_RATE_LIMIT_MAX (default 300)
HAPPIER_FEED_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_KV_LIST_RATE_LIMIT_MAX (default 600)
HAPPIER_KV_LIST_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_ACCOUNT_PROFILE_RATE_LIMIT_MAX (default 300)
HAPPIER_ACCOUNT_PROFILE_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_ACCOUNT_SETTINGS_RATE_LIMIT_MAX (default 300)
HAPPIER_ACCOUNT_SETTINGS_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_SESSION_PENDING_RATE_LIMIT_MAX (default 600)
HAPPIER_SESSION_PENDING_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_SESSION_PENDING_MATERIALIZE_RATE_LIMIT_MAX (default 120)
HAPPIER_SESSION_PENDING_MATERIALIZE_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_DIAGNOSTICS_BUG_REPORT_SNAPSHOT_RATE_LIMIT_MAX (default 30)
HAPPIER_DIAGNOSTICS_BUG_REPORT_SNAPSHOT_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_VOICE_TOKEN_RATE_LIMIT_MAX (default 10)
HAPPIER_VOICE_TOKEN_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_VOICE_SESSION_COMPLETE_RATE_LIMIT_MAX (default 60)
HAPPIER_VOICE_SESSION_COMPLETE_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_OAUTH_EXTERNAL_AUTH_PARAMS_RATE_LIMIT_MAX (default 60)
HAPPIER_OAUTH_EXTERNAL_AUTH_PARAMS_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_OAUTH_EXTERNAL_CONNECT_PARAMS_RATE_LIMIT_MAX (default 60)
HAPPIER_OAUTH_EXTERNAL_CONNECT_PARAMS_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_OAUTH_EXTERNAL_CALLBACK_RATE_LIMIT_MAX (default 60)
HAPPIER_OAUTH_EXTERNAL_CALLBACK_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_SHARE_PUBLIC_READ_RATE_LIMIT_MAX (default 10)
HAPPIER_SHARE_PUBLIC_READ_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_SHARE_PUBLIC_MESSAGES_RATE_LIMIT_MAX (default 20)
HAPPIER_SHARE_PUBLIC_MESSAGES_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_SHARE_PUBLIC_MANAGE_RATE_LIMIT_MAX (default 10)
HAPPIER_SHARE_PUBLIC_MANAGE_RATE_LIMIT_WINDOW (default 1 minute)
HAPPIER_SHARE_SESSION_CREATE_RATE_LIMIT_MAX (default 20)
HAPPIER_SHARE_SESSION_CREATE_RATE_LIMIT_WINDOW (default 1 minute)

Storage backends

S3_HOST
S3_PORT (optional)
S3_USE_SSL (true/false, default true)
S3_BUCKET
S3_PUBLIC_URL
S3_ACCESS_KEY
S3_SECRET_KEY

Light flavor paths

HAPPIER_SERVER_LIGHT_DATA_DIR (alias: HAPPY_SERVER_LIGHT_DATA_DIR)
HAPPIER_SERVER_LIGHT_DB_DIR (alias: HAPPY_SERVER_LIGHT_DB_DIR)
HAPPIER_SERVER_LIGHT_FILES_DIR (alias: HAPPY_SERVER_LIGHT_FILES_DIR)
PUBLIC_URL (optional; used for light defaults)

Bug reports

HAPPIER_FEATURE_BUG_REPORTS__ENABLED (default 1)
HAPPIER_FEATURE_BUG_REPORTS__PROVIDER_URL (default https://reports.happier.dev)
HAPPIER_FEATURE_BUG_REPORTS__DEFAULT_INCLUDE_DIAGNOSTICS (default 1)
HAPPIER_FEATURE_BUG_REPORTS__MAX_ARTIFACT_BYTES (default 10485760)
HAPPIER_FEATURE_BUG_REPORTS__UPLOAD_TIMEOUT_MS (default 120000)
HAPPIER_FEATURE_BUG_REPORTS__CONTEXT_WINDOW_MS (default 1800000; min 1000, max 86400000)
HAPPIER_FEATURE_BUG_REPORTS__ACCEPTED_ARTIFACT_KINDS (CSV allowlist)

Server diagnostics snapshot controls

HAPPIER_BUG_REPORTS_SERVER_DIAGNOSTICS_ENABLED (default 0)
HAPPIER_BUG_REPORTS_SERVER_DIAGNOSTICS_ACCESS_MODE (default owner, allowed: authenticated, owner)
HAPPIER_SERVER_OWNER_USER_IDS (CSV user ids; used when access mode is owner)
HAPPIER_BUG_REPORTS_SERVER_LOG_PATH
HAPPIER_SELF_HOST_LOG_DIR (fallback directory for server.log)
HAPPIER_BUG_REPORTS_SERVER_LOG_MAX_BYTES (default 262144)
HAPPIER_DIAGNOSTICS_BUG_REPORT_SNAPSHOT_RATE_LIMIT_MAX (default 30)
HAPPIER_DIAGNOSTICS_BUG_REPORT_SNAPSHOT_RATE_LIMIT_WINDOW (default 1 minute)

Owner-id note:

HAPPIER_SERVER_OWNER_USER_IDS expects Happier account ids.
Owners can find their account id in the app under Settings → Account.

OAuth and auth

For policy behavior and examples, see Server Auth.

Global auth policy

AUTH_ANONYMOUS_SIGNUP_ENABLED
AUTH_SIGNUP_PROVIDERS (CSV)
AUTH_REQUIRED_LOGIN_PROVIDERS (CSV)
AUTH_OFFBOARDING_ENABLED
AUTH_OFFBOARDING_INTERVAL_SECONDS
AUTH_OFFBOARDING_STRICT
HAPPIER_FEATURE_AUTH_RECOVERY__PROVIDER_RESET_ENABLED
HAPPIER_FEATURE_AUTH_UI__AUTO_REDIRECT_ENABLED
HAPPIER_FEATURE_AUTH_UI__AUTO_REDIRECT_PROVIDER_ID
HAPPIER_FEATURE_AUTH_UI__RECOVERY_KEY_REMINDER_ENABLED
AUTH_PROVIDERS_CONFIG_PATH
AUTH_PROVIDERS_CONFIG_JSON
AUTH_ACCOUNT_DISABLED_TTL_SECONDS

Legacy aliases (still accepted):

AUTH_RECOVERY_PROVIDER_RESET_ENABLED
AUTH_UI_AUTO_REDIRECT
AUTH_UI_AUTO_REDIRECT_PROVIDER_ID
AUTH_UI_RECOVERY_KEY_REMINDER_ENABLED

Happier’s default “device-key” signup/login flow uses POST /v1/auth.

Server operators can disable this built-in login route (for example when all access should go through a provider like GitHub/OIDC).

HAPPIER_FEATURE_AUTH_LOGIN__KEY_CHALLENGE_ENABLED (default 1)

Note: if you disable the key-challenge route, ensure you have at least one viable provider configured (otherwise the server will fail fast at boot to prevent lockouts).

Happier can use OAuth providers (GitHub/OIDC) as keyless login methods, meaning accounts can exist without device keys (intended for enterprise + plaintext storage deployments).

Keyless OAuth is gated by feature env vars:

HAPPIER_FEATURE_E2EE__KEYLESS_ACCOUNTS_ENABLED (default 0)
HAPPIER_FEATURE_AUTH_OAUTH__KEYLESS_ENABLED (default 0)
HAPPIER_FEATURE_AUTH_OAUTH__KEYLESS_PROVIDERS (CSV allowlist of provider ids, e.g. github,okta)
HAPPIER_FEATURE_AUTH_OAUTH__KEYLESS_AUTO_PROVISION (default 0)

Notes:

HAPPIER_FEATURE_AUTH_OAUTH__KEYLESS_AUTO_PROVISION=1 controls whether new keyless accounts can be created on first login.
Keyless auto-provisioning requires keyless accounts + plaintext defaults to be enabled (see Server Auth for the current prerequisites).

GitHub OAuth

GITHUB_CLIENT_ID
GITHUB_CLIENT_SECRET
GITHUB_REDIRECT_URL (legacy alias: GITHUB_REDIRECT_URI)
GITHUB_HTTP_TIMEOUT_SECONDS
GITHUB_STORE_ACCESS_TOKEN
GITHUB_WEBHOOK_SECRET
GITHUB_APP_ID
GITHUB_PRIVATE_KEY
GITHUB_OAUTH_PENDING_TTL_SECONDS (legacy fallback for pending TTL)
HAPPIER_WEBAPP_URL (alias: HAPPY_WEBAPP_URL)
HAPPIER_WEBAPP_OAUTH_RETURN_URL_BASE (alias: HAPPY_WEBAPP_OAUTH_RETURN_URL_BASE)
HAPPIER_OAUTH_RETURN_ALLOWED_SCHEMES (alias: HAPPY_OAUTH_RETURN_ALLOWED_SCHEMES)
OAUTH_PENDING_TTL_SECONDS
OAUTH_STATE_TTL_SECONDS

Note on “optional” web app URL env vars:

HAPPIER_WEBAPP_URL / HAPPIER_WEBAPP_OAUTH_RETURN_URL_BASE are only “optional” if you are using the hosted client at https://app.happier.dev.
- If you are self-hosting the web app, or using a local dev web UI, you must set one of these so the server can redirect back to your client after OAuth.

mTLS auth (enterprise)

For full setup guidance, see Server → mTLS Auth.

HAPPIER_FEATURE_AUTH_MTLS__ENABLED (default 0)
HAPPIER_FEATURE_AUTH_MTLS__MODE (forwarded | direct)
HAPPIER_FEATURE_AUTH_MTLS__AUTO_PROVISION (default 0)
HAPPIER_FEATURE_AUTH_MTLS__IDENTITY_SOURCE (san_email | san_upn | subject_cn | fingerprint)
HAPPIER_FEATURE_AUTH_MTLS__ALLOWED_EMAIL_DOMAINS (CSV)
HAPPIER_FEATURE_AUTH_MTLS__ALLOWED_ISSUERS (CSV; comma/newline separated issuer values; compared against the issuer CN extracted from the forwarded issuer string)
HAPPIER_FEATURE_AUTH_MTLS__TRUST_FORWARDED_HEADERS (default 0)
HAPPIER_FEATURE_AUTH_MTLS__FORWARDED_EMAIL_HEADER
HAPPIER_FEATURE_AUTH_MTLS__FORWARDED_UPN_HEADER
HAPPIER_FEATURE_AUTH_MTLS__FORWARDED_SUBJECT_HEADER
HAPPIER_FEATURE_AUTH_MTLS__FORWARDED_FINGERPRINT_HEADER
HAPPIER_FEATURE_AUTH_MTLS__FORWARDED_ISSUER_HEADER
HAPPIER_FEATURE_AUTH_MTLS__RETURN_TO_ALLOW_PREFIXES (CSV)
HAPPIER_FEATURE_AUTH_MTLS__CLAIM_TTL_SECONDS

GitHub eligibility restrictions

AUTH_GITHUB_ALLOWED_USERS
AUTH_GITHUB_ALLOWED_ORGS
AUTH_GITHUB_ORG_MATCH
AUTH_GITHUB_ORG_MEMBERSHIP_SOURCE
AUTH_GITHUB_APP_ID
AUTH_GITHUB_APP_PRIVATE_KEY
AUTH_GITHUB_APP_INSTALLATION_ID_BY_ORG

Account / terminal auth TTL controls

ACCOUNT_AUTH_REQUEST_TTL_SECONDS
TERMINAL_AUTH_REQUEST_TTL_SECONDS
TERMINAL_AUTH_CLAIM_RETRY_WINDOW_SECONDS
VENDOR_TOKEN_MAX_LEN

Encryption / plaintext storage (E2EE opt-out)

For an overview and operator guidance, see Server → Encryption & plaintext storage.

Server-wide storage policy:

HAPPIER_FEATURE_ENCRYPTION__STORAGE_POLICY (default required_e2ee) Values: required_e2ee | optional | plaintext_only

Account-level opt-out (only meaningful when policy is optional):

HAPPIER_FEATURE_ENCRYPTION__ALLOW_ACCOUNT_OPTOUT (default 0)
HAPPIER_FEATURE_ENCRYPTION__DEFAULT_ACCOUNT_MODE (default e2ee) Values: e2ee | plain

Plaintext at-rest sealing (plaintext/keyless accounts only; DB storage):

HAPPIER_FEATURE_ENCRYPTION__PLAIN_ACCOUNT_SETTINGS_AT_REST (default server_sealed) Values: none | server_sealed
HAPPIER_FEATURE_ENCRYPTION__PLAIN_ACCOUNT_CREDENTIALS_AT_REST (default server_sealed) Values: none | server_sealed

HAPPIER_FEATURE_SOCIAL_FRIENDS__ENABLED
HAPPIER_FEATURE_SOCIAL_FRIENDS__ALLOW_USERNAME
HAPPIER_FEATURE_SOCIAL_FRIENDS__IDENTITY_PROVIDER
FRIENDS_USERNAME_MIN_LEN
FRIENDS_USERNAME_MAX_LEN
FRIENDS_USERNAME_REGEX

Voice

Happier voice/server tokening controls:

HAPPIER_FEATURE_VOICE__ENABLED
HAPPIER_FEATURE_VOICE__REQUIRE_SUBSCRIPTION
VOICE_FREE_SESSIONS_PER_MONTH
VOICE_FREE_MINUTES_PER_MONTH
VOICE_MAX_CONCURRENT_SESSIONS
VOICE_MAX_SESSION_SECONDS
VOICE_MAX_MINUTES_PER_DAY
HAPPIER_VOICE_TOKEN_RATE_LIMIT_MAX
HAPPIER_VOICE_TOKEN_RATE_LIMIT_WINDOW
HAPPIER_VOICE_SESSION_COMPLETE_RATE_LIMIT_MAX
HAPPIER_VOICE_SESSION_COMPLETE_RATE_LIMIT_WINDOW
VOICE_LEASE_CLEANUP
VOICE_LEASE_RETENTION_DAYS
VOICE_LEASE_CLEANUP_INTERVAL_MS
ELEVENLABS_API_KEY
ELEVENLABS_AGENT_ID
ELEVENLABS_AGENT_ID_PROD

UI/static serving

HAPPIER_SERVER_UI_DIR (alias: HAPPIER_SERVER_LIGHT_UI_DIR)
HAPPIER_SERVER_UI_PREFIX (alias: HAPPIER_SERVER_LIGHT_UI_PREFIX)
HAPPIER_SERVER_UI_REQUIRED (alias: HAPPIER_SERVER_LIGHT_UI_REQUIRED)
HAPPIER_SERVER_UI_DEBUG_PATH (debug fallback path visibility)

Background / maintenance jobs

HAPPY_ACCOUNT_CHANGE_CLEANUP
HAPPY_ACCOUNT_CHANGE_CLEANUP_INTERVAL_MS
HAPPY_PRESENCE_STREAM_MAXLEN

Advanced / debug controls

HAPPY_EXIT_ON_FATAL
HAPPY_SOCKET_ROOMS_ONLY
HAPPIER_RPC_FORWARD_TIMEOUT_MS
HAPPIER_RPC_FORWARD_CAPABILITIES_TIMEOUT_MS
DANGEROUSLY_LOG_TO_SERVER_FOR_AI_AUTO_DEBUGGING

Flavor/internal markers

HAPPIER_SERVER_FLAVOR (alias: HAPPY_SERVER_FLAVOR) Runtime marker set by server startup; not typically user-set.

Environment variables

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