Applied suggestions

Author: pinebit

docker-compose.yml

@@ -104,9 +104,9 @@ services:
       - CHARON_LOKI_SERVICE=charon
       - CHARON_NICKNAME=${CHARON_NICKNAME:-}
       - CHARON_EXECUTION_CLIENT_RPC_ENDPOINT=${CHARON_EXECUTION_CLIENT_RPC_ENDPOINT:-http://nethermind:8545}
-      - CHARON_OTLP_ADDRESS=${CHARON_OTLP_ADDRESS}
+      - CHARON_OTLP_ADDRESS=${CHARON_OTLP_ADDRESS:-}
       - CHARON_OTLP_SERVICE_NAME=${CHARON_OTLP_SERVICE_NAME:-charon}
-      - CHARON_OTLP_HEADERS=${CHARON_OTLP_HEADERS}
+      - CHARON_OTLP_HEADERS=${CHARON_OTLP_HEADERS:-}
     ports:
       - ${CHARON_PORT_P2P_TCP:-3610}:${CHARON_PORT_P2P_TCP:-3610}/tcp # P2P TCP libp2p
     networks: [dvnode]