[nakama]
ENABLE_ALLOWLIST = false
OUTGOING_QUEUE_SIZE = 64
NAKAMA_TRACE_ENABLED = true
NAKAMA_METRICS_ENABLED = true
NAKAMA_TRACE_SAMPLE_RATE = 0.6
NAKAMA_METRICS_INTERVAL = 30
NAKAMA_IMAGE = "ghcr.io/argus-labs/world-engine-nakama:latest"
NAKAMA_IMAGE_PLATFORM = "linux/amd64"

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ENABLE_ALLOWLIST

Enables Nakama’s allowlist feature, which allows for beta keys. This is useful for restricted access to certain parts of the game during development or early access. Example 
ENABLE_ALLOWLIST = false

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OUTGOING_QUEUE_SIZE

Specifies the maximum number of undelivered notifications Nakama will allow before shutting down a client connection. Example 
OUTGOING_QUEUE_SIZE = 64

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NAKAMA_TRACE_ENABLED

Enables tracing within Nakama, which integrates with external tracing tools such as Jaeger for visualizing system performance. Example 
NAKAMA_TRACE_ENABLED = true

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NAKAMA_METRICS_ENABLED

Enables metrics collection within Nakama, integrating with Prometheus for system metrics tracking. Example 
NAKAMA_METRICS_ENABLED = true

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NAKAMA_TRACE_SAMPLE_RATE

Trace sample rate. valid values are between 0.0 to 1.0 inclusive. This is a float value. Example 
NAKAMA_TRACE_SAMPLE_RATE = 0.6

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NAKAMA_METRICS_INTERVAL

Prometheus scraping interval in seconds. Example 
NAKAMA_METRICS_INTERVAL = 30

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NAKAMA_IMAGE

Specifies Nakama Docker image. this will only work on world cli v1.3.3 above.
  • For Cardinal v1.7.1 and later, the Nakama image must be v1.4.0 or later.
  • For Cardinal v1.6.x and earlier, the Nakama image must be v1.2.9 or earlier.
Example 
NAKAMA_IMAGE = "ghcr.io/argus-labs/world-engine-nakama:1.4.0"

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NAKAMA_IMAGE_PLATFORM

Specifies the platform architecture for the Nakama Docker image. The default value will match the operating system platform. this will only work on world cli v1.3.3 above. For more details, you can visit this link Example 
NAKAMA_IMAGE_PLATFORM = "linux/arm64"