Use upstream hostnames in production nginx configuration

production/nginx/location-liquid-api.conf

@@ -1,11 +1,11 @@
 location /liquid/api/v1/ws {
-	proxy_pass http://127.0.0.1:8998/;
+	proxy_pass http://mempool-liquid-mainnet/;
 	proxy_http_version 1.1;
 	proxy_set_header Upgrade $http_upgrade;
 	proxy_set_header Connection "Upgrade";
 }
 location /liquid/api/v1 {
-	proxy_pass http://127.0.0.1:8998/api/v1;
+	proxy_pass http://mempool-liquid-mainnet/api/v1;
 }
 location /liquid/api/ {
 	proxy_pass http://electrs-liquid-mainnet/;

production/nginx/location-liquidtestnet-api.conf

@@ -1,11 +1,11 @@
 location /liquidtestnet/api/v1/ws {
-	proxy_pass http://127.0.0.1:8994/;
+	proxy_pass http://mempool-liquid-testnet/;
 	proxy_http_version 1.1;
 	proxy_set_header Upgrade $http_upgrade;
 	proxy_set_header Connection "Upgrade";
 }
 location /liquidtestnet/api/v1 {
-	proxy_pass http://127.0.0.1:8994/api/v1;
+	proxy_pass http://mempool-liquid-testnet/api/v1;
 }
 location /liquidtestnet/api/ {
 	proxy_pass http://electrs-liquid-testnet/;

production/nginx/server-bisq.conf

@@ -63,14 +63,14 @@ location /bisq/api {
 
 # special handling for websocket
 location /api/v1/ws {
-	proxy_pass http://127.0.0.1:8996/;
+	proxy_pass http://mempool-bitcoin-bisq/;
 	proxy_http_version 1.1;
 	proxy_set_header Upgrade $http_upgrade;
 	proxy_set_header Connection "Upgrade";
 }
 
 location @mempool-bisq {
-	proxy_pass http://127.0.0.1:8996;
+	proxy_pass http://mempool-bitcoin-bisq;
 	proxy_http_version 1.1;
 
 	proxy_set_header Host $http_host;