136 lines
4.9 KiB
TOML
136 lines
4.9 KiB
TOML
[nats]
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url = "nats://localhost:4222"
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# mode: "core" (default for dev) or "jetstream" (recommended for production)
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# - "core": Uses Core NATS for simple pub/sub messaging with:
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# * No message persistence (messages lost if consumer offline)
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# * No ACK mechanism (fire-and-forget delivery)
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# * No automatic retry on processing failures
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# * Queue groups for load balancing only
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# * Suitable for development/testing or real-time scenarios where message loss is acceptable
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# * Recommended for local development and testing
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# - "jetstream": Uses NATS JetStream for persistent message streaming with:
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# * Message persistence and replay capability
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# * ACK/NAK mechanism for guaranteed delivery
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# * Automatic retry with configurable backoff
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# * Dead-letter queue (DLQ) support
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# * Batch processing and consumer monitoring
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# * Recommended for production environments
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mode = "core"
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client = "serial-client"
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cluster = "tele-cluster"
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stream = "TELEGRAM"
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consumer = "telegram-consumer"
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[nats.stream_limits]
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# Stream retention and storage limits (only applies when mode = "jetstream")
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# max_msgs: Maximum number of messages to keep in the stream (0 = unlimited)
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max_msgs = 100000
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# max_bytes: Maximum total size of messages in bytes (0 = unlimited, 67108864 = 64MB)
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max_bytes = 67108864
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# max_age: Maximum age of messages before automatic deletion (e.g., "24h", "7d")
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max_age = "24h"
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# discard: What to do when limits are reached: "old" (delete oldest) or "new" (reject new)
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discard = "old"
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# storage: "file" (persistent to disk) or "memory" (ephemeral, faster but lost on restart)
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storage = "file"
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# replicas: Number of stream replicas for high availability (1 = single node, 3+ for production cluster)
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replicas = 1
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[nats.consumer_rules]
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# Consumer delivery and retry rules (only applies when mode = "jetstream")
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# max_deliver: Maximum number of delivery attempts before giving up (0 = unlimited)
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max_deliver = 5
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# ack_wait: Time to wait for ACK before redelivering message (e.g., "30s", "2m")
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ack_wait = "30s"
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# max_ack_pending: Maximum number of unacknowledged messages before pausing delivery
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max_ack_pending = 1024
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# deliver_policy: When to start delivering messages:
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# - "all": Deliver all messages from the stream
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# - "new": Only deliver new messages after consumer creation
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# - "last": Deliver only the last message
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# - "last_per_subject": Deliver last message per subject
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# - "sequence": Start from a specific sequence (requires start_sequence)
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# - "time": Start from a specific time (requires start_time in RFC3339 format)
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deliver_policy = "all"
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# replay_policy: How to replay messages: "instant" (as fast as possible) or "original" (preserve timing)
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replay_policy = "instant"
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# backoff: Array of delays between retry attempts (e.g., ["5s", "30s", "2m"])
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# First retry waits 5s, second waits 30s, third and beyond wait 2m
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backoff = ["5s", "30s", "2m"]
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# start_sequence: Starting sequence number (only used when deliver_policy = "sequence")
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start_sequence = 0
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# start_time: Starting time in RFC3339 format (only used when deliver_policy = "time")
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# Example: "2024-11-15T08:00:00Z"
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start_time = ""
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[subscription]
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topic = "telegram.serial"
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queue_group = "tele-queue"
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[publisher]
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topic = "telegram.json"
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[timeouts]
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server = "5s"
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reconnect_wait = "5s"
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close = "10s"
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ack_wait = "5s"
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[postgres]
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url = "postgres://caatsm:caatsm@localhost:5432/aviation?sslmode=disable"
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max_conns = 10
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min_conns = 2
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[app]
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# Batch processing configuration (applies to both core and jetstream modes)
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# batch_size: Number of messages to fetch in each batch (JetStream pull batch size)
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batch_size = 50
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# batch_timeout: Maximum time to wait when fetching a batch (e.g., "2s")
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batch_timeout = "2s"
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# monitor_interval: How often to emit consumer statistics and metrics
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monitor_interval = "30s"
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[log]
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level = "info"
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format = "console"
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output = ["stdout", "file"]
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file = "logs/caatsm.log"
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# File rotation settings
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max_size = 100 # MB
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max_backups = 7 # Keep 7 rotated files
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max_age = 30 # Keep logs for 30 days
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compress = true # Compress old log files
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# Advanced options
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disable_caller = false
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disable_stacktrace = false
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development = false
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# Sampling configuration (optional, for high-volume scenarios)
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# [log.sampling]
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# initial = 100 # Log first 100 messages
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# thereafter = 100 # Then log every 100th message
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# tick = "1s" # Per second
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[telemetry]
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enabled = true
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endpoint = "localhost:4318"
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insecure = true
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[monitoring]
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disabled = false
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addr = ":2112"
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enable_metrics = true
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enable_health = true
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read_timeout = "5s"
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write_timeout = "5s"
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health_timeout = "2s"
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[dlq]
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# Dead-Letter Queue configuration (only applies when mode = "jetstream")
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# enabled: Enable DLQ routing for poison messages (messages that fail after max_deliver attempts)
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enabled = false # Set to true when switching to JetStream mode
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# subject: NATS subject where failed messages will be published for manual inspection
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subject = "caatsm.dlq"
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