chore(docker): make host ports customizable via environment variables

docker-compose.otel.yml

@@ -9,9 +9,9 @@ services:
   jaeger:
     image: jaegertracing/all-in-one:1.68.0
     ports:
-      - "16686:16686"   # Jaeger UI
-      - "4317:4317"     # OTLP gRPC
-      - "4318:4318"     # OTLP HTTP
+      - "${JAEGER_UI_PORT:-16686}:16686"   # Jaeger UI
+      - "${OTLP_GRPC_PORT:-4317}:4317"     # OTLP gRPC
+      - "${OTLP_HTTP_PORT:-4318}:4318"     # OTLP HTTP
     environment:
       - COLLECTOR_OTLP_ENABLED=true
     restart: unless-stopped

docker-compose.redis.yml

@@ -8,7 +8,7 @@ services:
   redis:
     image: redis:7-alpine
     ports:
-      - "6379:6379"
+      - "${REDIS_PORT:-6379}:6379"
     volumes:
       - redis-data:/data
     command: redis-server --appendonly yes