diff --git a/docker/backend/mempool-config.json b/docker/backend/mempool-config.json
index f8820560e..3bd9d64a0 100644
--- a/docker/backend/mempool-config.json
+++ b/docker/backend/mempool-config.json
@@ -2,21 +2,21 @@
   "MEMPOOL": {
     "NETWORK": "mainnet",
     "BACKEND": "electrum",
-    "HTTP_PORT": 8999,
+    "HTTP_PORT": __MEMPOOL_BACKEND_MAINNET_HTTP_PORT__,
     "SPAWN_CLUSTER_PROCS": 0,
     "API_URL_PREFIX": "/api/v1/",
     "POLL_RATE_MS": 2000,
-    "CACHE_DIR": "<CACHE_DIR>"
+    "CACHE_DIR": "__MEMPOOL_BACKEND_MAINNET_CACHE_DIR__"
   },
   "CORE_RPC": {
-    "HOST": "<RPC_HOST>",
-    "PORT": <RPC_PORT>,
-    "USERNAME": "<RPC_USER>",
-    "PASSWORD": "<RPC_PASS>"
+    "HOST": "__BITCOIN_MAINNET_RPC_HOST__",
+    "PORT": __BITCOIN_MAINNET_RPC_PORT__,
+    "USERNAME": "__BITCOIN_MAINNET_RPC_USER__",
+    "PASSWORD": "__BITCOIN_MAINNET_RPC_PASS__"
   },
   "ELECTRUM": {
-    "HOST": "<ELECTRS_HOST>",
-    "PORT": <ELECTRS_PORT>,
+    "HOST": "__ELECTRS_MAINNET_HTTP_HOST__",
+    "PORT": __ELECTRS_MAINNET_HTTP_PORT__,
     "TLS_ENABLED": false,
     "TX_LOOKUPS": true
   },
@@ -25,8 +25,8 @@
   },
   "DATABASE": {
     "ENABLED": true,
-    "HOST": "<MYSQL_HOST>",
-    "PORT": 3306,
+    "HOST": "__MYSQL_HOST__",
+    "PORT": __MYSQL_PORT__,
     "DATABASE": "mempool",
     "USERNAME": "mempool",
     "PASSWORD": "mempool"
diff --git a/docker/backend/start.sh b/docker/backend/start.sh
index 480ef598e..ca8e66463 100644
--- a/docker/backend/start.sh
+++ b/docker/backend/start.sh
@@ -1,21 +1,27 @@
 #!/bin/sh
 
-RPC_HOST=$RPC_HOST
-RPC_PORT=$RPC_PORT
-RPC_USER=$RPC_USER
-RPC_PASS=$RPC_PASS
-ELECTRS_HOST=$ELECTRS_HOST
-ELECTRS_PORT=$ELECTRS_PORT
-MYSQL_HOST=$MYSQL_HOST
-CACHE_DIR=$CACHE_DIR
+__BITCOIN_MAINNET_RPC_HOST__=${RPC_HOST}
+__BITCOIN_MAINNET_RPC_PORT__=${RPC_PORT}
+__BITCOIN_MAINNET_RPC_USER__=${RPC_USER}
+__BITCOIN_MAINNET_RPC_PASS__=${RPC_PASS}
+__ELECTRS_MAINNET_HTTP_HOST__=${ELECTRS_HOST}
+__ELECTRS_MAINNET_HTTP_PORT__=${ELECTRS_PORT}
+__MYSQL_HOST__=${MYSQL_HOST}
+__MYSQL_PORT__=${MYSQL_PORT}
+__MEMPOOL_BACKEND_CACHE_DIR__=${CACHE_DIR}
+__MEMPOOL_BACKEND_MAINNET_HTTP_HOST__=${BACKEND_MAINNET_HTTP_HOST}
+__MEMPOOL_BACKEND_MAINNET_HTTP_PORT__=${BACKEND_MAINNET_HTTP_PORT}
 
-sed -i "s/<RPC_HOST>/${RPC_HOST}/g" mempool-config.json
-sed -i "s/<RPC_PORT>/${RPC_PORT}/g" mempool-config.json
-sed -i "s/<RPC_USER>/${RPC_USER}/g" mempool-config.json
-sed -i "s/<RPC_PASS>/${RPC_PASS}/g" mempool-config.json
-sed -i "s/<ELECTRS_HOST>/${ELECTRS_HOST}/g" mempool-config.json
-sed -i "s/<ELECTRS_PORT>/${ELECTRS_PORT}/g" mempool-config.json
-sed -i "s/<MYSQL_HOST>/${MYSQL_HOST}/g" mempool-config.json
-sed -i "s/<CACHE_DIR>/${CACHE_DIR}/g" mempool-config.json
+sed -i "s/__BITCOIN_MAINNET_RPC_HOST__/${__BITCOIN_MAINNET_RPC_HOST__}/g" mempool-config.json
+sed -i "s/__BITCOIN_MAINNET_RPC_PORT__/${__BITCOIN_MAINNET_RPC_PORT__}/g" mempool-config.json
+sed -i "s/__BITCOIN_MAINNET_RPC_USER__/${__BITCOIN_MAINNET_RPC_USER__}/g" mempool-config.json
+sed -i "s/__BITCOIN_MAINNET_RPC_PASS__/${__BITCOIN_MAINNET_RPC_PASS__}/g" mempool-config.json
+sed -i "s/__ELECTRS_MAINNET_HTTP_HOST__/${__ELECTRS_MAINNET_HTTP_HOST__}/g" mempool-config.json
+sed -i "s/__ELECTRS_MAINNET_HTTP_PORT__/${__ELECTRS_MAINNET_HTTP_PORT__}/g" mempool-config.json
+sed -i "s/__MYSQL_HOST__/${__MYSQL_HOST__}/g" mempool-config.json
+sed -i "s/__MYSQL_PORT__/${__MYSQL_PORT__}/g" mempool-config.json
+sed -i "s/__MEMPOOL_BACKEND_CACHE_DIR__/${__MEMPOOL_BACKEND_CACHE_DIR__}/g" mempool-config.json
+sed -i "s/__MEMPOOL_BACKEND_MAINNET_HTTP_PORT__/${__MEMPOOL_BACKEND_MAINNET_HTTP_PORT_}/g" mempool-config.json
+sed -i "s/__MEMPOOL_BACKEND_MAINNET_HTTP_HOST__/${__MEMPOOL_BACKEND_MAINNET_HTTP_HOST_}/g" mempool-config.json
 
 node /backend/dist/index.js
diff --git a/docker/frontend/entrypoint.sh b/docker/frontend/entrypoint.sh
index d95b84eb8..359c8b466 100644
--- a/docker/frontend/entrypoint.sh
+++ b/docker/frontend/entrypoint.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
-API_IP=$API_IP
+__MEMPOOL_BACKEND_MAINNET_HTTP_HOST__=${BACKEND_MAINNET_HTTP_HOST}
 
-sed -i "s/<API_IP>/${API_IP}/g" /etc/nginx/conf.d/nginx-mempool.conf
+sed -i "s/__MEMPOOL_BACKEND_MAINNET_HTTP_HOST__/${__MEMPOOL_BACKEND_MAINNET_HTTP_HOST__}/g" /etc/nginx/conf.d/nginx-mempool.conf
 
 exec "$@"
diff --git a/docker/init.sh b/docker/init.sh
index e78f9912c..437f48f4f 100755
--- a/docker/init.sh
+++ b/docker/init.sh
@@ -7,15 +7,15 @@ cp ./docker/backend/* ./backend/
 sed -i "s/${gitMaster}/master/g" ./backend/src/api/backend-info.ts
 
 #frontend
-localIP="127.0.0.1"
+localhostIP="127.0.0.1"
 cp ./docker/frontend/* ./frontend
 cp ./nginx.conf ./frontend/
 cp ./nginx-mempool.conf ./frontend/
-sed -i "s/${localIP}:/0.0.0.0:80/g" ./frontend/nginx.conf
-sed -i "s/${localIP}/0.0.0.0/g" ./frontend/nginx.conf
+sed -i "s/${localhostIP}:/0.0.0.0:80/g" ./frontend/nginx.conf
+sed -i "s/${localhostIP}/0.0.0.0/g" ./frontend/nginx.conf
 sed -i "s/user nobody;//g" ./frontend/nginx.conf
-sed -i "s/\/etc\/nginx\/nginx-mempool.conf/\/etc\/nginx\/conf.d\/nginx-mempool.conf/g" ./frontend/nginx.conf
-sed -i "s/${localIP}:/<API_IP>:/g" ./frontend/nginx-mempool.conf
+sed -i "s!/etc/nginx/nginx-mempool.conf!/etc/nginx/conf.d/nginx-mempool.conf!g" ./frontend/nginx.conf
+sed -i "s/${localhostIP}:/__MEMPOOL_MAINNET_BACKEND_HOST__:/g" ./frontend/nginx-mempool.conf
 
 #db
 cp -fr docker/mysql .