add nats expose

Author: gabrielpetry

.env.example

@@ -33,3 +33,7 @@ GRAFANA_HOST_PORT=5050
 # MongoDB
 MONGODB_BIND_IP=127.0.0.1
 MONGODB_PORT_NUMBER=27017
+
+# Nats
+NATS_PORT_NUMBER=4222
+NATS_BIND_IP=127.0.0.1

compose.database.yml

@@ -13,6 +13,8 @@ services:
     #   retries: 10
     #   start_period: 30s
     command: --http_port 8222
+    ports:
+      - "${NATS_BIND_IP:-127.0.0.1}:${NATS_PORT_NUMBER:-4222}:4222"
   nats-exporter:
     image: docker.io/natsio/prometheus-nats-exporter:${NATS_EXPORTER_VERSION:-0.17.3}
     depends_on: