Skip to content
Xray Checker

Environment Variables

Subscription

SUBSCRIPTION_URL

  • CLI: --subscription-url
  • Required: Yes
  • Default: None

URL, Base64 string or file path for proxy configuration. Supports multiple formats:

  • HTTP/HTTPS URL with Base64 encoded content
  • Direct Base64 encoded string
  • Local file path with prefix file://
  • Local folder path with prefix folder://

SUBSCRIPTION_UPDATE

  • CLI: --subscription-update
  • Required: No
  • Default: true

Enables automatic updates of proxy configuration from subscription source. When enabled, Xray Checker will periodically check for changes and update configurations accordingly.

SUBSCRIPTION_UPDATE_INTERVAL

  • CLI: --subscription-update-interval
  • Required: No
  • Default: 300

Time in seconds between subscription update checks. Only used when SUBSCRIPTION_UPDATE is enabled.

Proxy

PROXY_CHECK_INTERVAL

  • CLI: --proxy-check-interval
  • Required: No
  • Default: 300

Time in seconds between proxy availability checks. Each check verifies all configured proxies.

PROXY_CHECK_METHOD

  • CLI: --proxy-check-method
  • Required: No
  • Default: ip
  • Values: ip, status

Method used to verify proxy functionality:

  • ip: Compares IP addresses with and without proxy
  • status: Checks HTTP status code from a test request

PROXY_IP_CHECK_URL

  • CLI: --proxy-ip-check-url
  • Required: No
  • Default: https://api.ipify.org?format=text

URL used for IP verification when PROXY_CHECK_METHOD=ip. Should return current IP address in plain text format.

PROXY_STATUS_CHECK_URL

  • CLI: --proxy-status-check-url
  • Required: No
  • Default: http://cp.cloudflare.com/generate_204

URL used for status verification when PROXY_CHECK_METHOD=status. Should return HTTP 204/200 status code.

PROXY_TIMEOUT

  • CLI: --proxy-timeout
  • Required: No
  • Default: 30

Maximum time in seconds to wait for proxy response during checks.

SIMULATE_LATENCY

  • CLI: --simulate-latency
  • Required: No
  • Default: true

Adds measured latency to endpoint responses, useful for monitoring systems.

Xray

XRAY_START_PORT

  • CLI: --xray-start-port
  • Required: No
  • Default: 10000

Starting port number for SOCKS5 proxies. Each proxy will use sequential ports starting from this number.

XRAY_LOG_LEVEL

  • CLI: --xray-log-level
  • Required: No
  • Default: none
  • Values: debug, info, warning, error, none

Controls Xray Core logging verbosity.

Metrics

METRICS_PORT

  • CLI: --metrics-port
  • Required: No
  • Default: 2112

Port number for HTTP server exposing metrics and status endpoints.

METRICS_PROTECTED

  • CLI: --metrics-protected
  • Required: No
  • Default: false

Enables basic authentication for metrics and status endpoints.

METRICS_USERNAME

  • CLI: --metrics-username
  • Required: No
  • Default: metricsUser

Username for basic authentication when METRICS_PROTECTED=true.

METRICS_PASSWORD

  • CLI: --metrics-password
  • Required: No
  • Default: MetricsVeryHardPassword

Password for basic authentication when METRICS_PROTECTED=true.

METRICS_INSTANCE

  • CLI: --metrics-instance
  • Required: No
  • Default: None

Instance label added to all metrics. Useful for distinguishing multiple Xray Checker instances.

METRICS_PUSH_URL

  • CLI: --metrics-push-url
  • Required: No
  • Default: None

Prometheus Pushgateway URL for metric pushing. Format: https://user:pass@host:port

METRICS_BASE_PATH

  • CLI: --metrics-base-path
  • Required: No
  • Default: ""

URL path for host metrics and monitoring. Format: /vpn/metrics. Monitoring page could be available on http://localhost:port/metrics-base-path

Other

RUN_ONCE

  • CLI: --run-once
  • Required: No
  • Default: false

Performs single check cycle and exits. Useful for scheduled execution environments.