export electrs vars to satisfy implements

electrumx/exports.sh

@@ -12,5 +12,19 @@ if [[ "${BITCOIN_NETWORK}" == "testnet3" ]]; then
 	export APP_ELECTRUMX_BITCOIN_NETWORK="testnet"
 fi
 
+for var in \
+	IP \
+	NODE_IP \
+	NODE_PORT \
+; do
+	  electrs_var="APP_ELECTRS_${var}"
+	  electrumx_var="APP_ELECTRUMX_${var}"
+	if [ -n "${!electrumx_var-}" ]; then
+        export "$electrs_var"="${!electrs_var:=${!electrumx_var}}"
+    else
+        echo "Warning: $electrumx_var is unset or empty"
+    fi
+done
+
 rpc_hidden_service_file="${EXPORTS_TOR_DATA_DIR}/app-${EXPORTS_APP_ID}-tpc/hostname"
 export APP_ELECTRUMX_RPC_HIDDEN_SERVICE="$(cat "${rpc_hidden_service_file}" 2>/dev/null || echo "notyetset.onion")"