logistics-optimizer/.env.example at master · ignavan39/logistics-optimizer · GitHub

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# ============================================================
# Logistics Route Optimizer — Environment Variables
# Copy to .env and fill in values before running docker compose
# ============================================================

# --- Kafka ---
KAFKA_BROKER=kafka:9092
KAFKA_CLIENT_ID=logistics-optimizer
KAFKA_GROUP_ID_PREFIX=logistics

# --- Postgres credentials (shared template, each service gets own DB) ---
PG_USER=logistics
PG_PASSWORD=logistics_secret
PG_PORT_BASE=5432

# --- Per-service DB names ---
ORDER_DB_NAME=order_db
FLEET_DB_NAME=fleet_db
ROUTING_DB_NAME=routing_db
TRACKING_DB_NAME=tracking_db
DISPATCHER_DB_NAME=dispatcher_db

# --- Per-service DB host (docker service names) ---
ORDER_DB_HOST=pg-order
FLEET_DB_HOST=pg-fleet
ROUTING_DB_HOST=pg-routing
TRACKING_DB_HOST=pg-tracking
DISPATCHER_DB_HOST=pg-dispatcher

# --- PgBouncer ---
PGBOUNCER_PORT=6432
PGBOUNCER_MAX_CLIENT_CONN=100
PGBOUNCER_DEFAULT_POOL_SIZE=20

# --- gRPC ports (internal) ---
GRPC_ORDER_PORT=50051
GRPC_FLEET_PORT=50052
GRPC_ROUTING_PORT=50053
GRPC_TRACKING_PORT=50054
GRPC_DISPATCHER_PORT=50055

# --- HTTP ports (external via api-gateway) ---
HTTP_GATEWAY_PORT=3000

# --- JWT ---
JWT_SECRET=change_me_in_production_very_long_secret
JWT_EXPIRES_IN=7d

# --- Observability ---
JAEGER_ENDPOINT=http://jaeger:4318/v1/traces
PROMETHEUS_PORT=9090
GRAFANA_PORT=3001
GRAFANA_ADMIN_PASSWORD=admin

# --- Kafka topics ---
TOPIC_ORDER_CREATED=order.created
TOPIC_ORDER_UPDATED=order.updated
TOPIC_ORDER_ASSIGNED=order.assigned
TOPIC_ORDER_COMPLETED=order.completed
TOPIC_ORDER_FAILED=order.failed
TOPIC_VEHICLE_STATUS=vehicle.status.changed
TOPIC_ROUTE_CALCULATED=route.calculated
TOPIC_TRAFFIC_INCIDENT=traffic.incident
TOPIC_VEHICLE_TELEMETRY=vehicle.telemetry
TOPIC_OUTBOX_ORDER=outbox.order
TOPIC_OUTBOX_DISPATCHER=outbox.dispatcher

# --- Kafka partitions / replication ---
KAFKA_NUM_PARTITIONS=6
KAFKA_REPLICATION_FACTOR=1

# --- Tracking service tuning ---
TRACKING_BATCH_SIZE=500
TRACKING_BATCH_TIMEOUT_MS=200
TRACKING_CONSUMER_MAX_BYTES=5242880

# --- Simulation ---
SIM_VEHICLE_COUNT=300
SIM_TELEMETRY_HZ=2
SIM_GRID_SIZE=50