diff --git a/README.md b/README.md
index d3dfec8..cc4b23c 100644
--- a/README.md
+++ b/README.md
@@ -210,12 +210,15 @@ We provide options to update presale mint time, public mint time, mint fee and w
 ### Create website
 You need to have npm installed, we are using nextJS to build this simple website
 
-change the values in `mint-site/helpers/candyMachineInfo.js` - can find those info in your config.json:
+change the name `.env-example` to `.env` - can find those info in your config.json:
 
 ```txt
-export const candyMachineAddress = "YOUR CM ADDRESS";
-export const collectionName = "collection name(Case sensitive!)";
-export const collectionCoverUrl = " THE COVER LINK eg: https://cloudflare-ipfs.com/ipfs/asjdhasjhd"; 
+NEXT_PUBLIC_CANDY_MACHINE_ID="YOUR CM ADDRESS"
+NEXT_PUBLIC_COLLECTION_NAME="collection name(Case sensitive!)"
+NEXT_PUBLIC_COLLECTION_IMAGE_URI="THE COVER LINK eg: https://cloudflare-ipfs.com/ipfs/asjdhasjhd"
+
+# dev | test | mainnet
+NEXT_PUBLIC_APTOS_NETWORK=dev
 ```
 
 open mint-site folder, run
diff --git a/mint-site/.env-example b/mint-site/.env-example
new file mode 100644
index 0000000..d6bb898
--- /dev/null
+++ b/mint-site/.env-example
@@ -0,0 +1,6 @@
+NEXT_PUBLIC_CANDY_MACHINE_ID=0x910d29c9605d6369edd2f895d4b93e1742819a63cf6c4535e3682701265f3149
+NEXT_PUBLIC_COLLECTION_NAME=Test collection
+NEXT_PUBLIC_COLLECTION_IMAGE_URI=https://cloudflare-ipfs.com/ipfs//QmVsudH4sHELLHfaw3mYsX55zMXa2vpPAEvPsdPAV9Kwfx
+
+# dev | test | mainnet
+NEXT_PUBLIC_APTOS_NETWORK=dev
\ No newline at end of file
diff --git a/mint-site/helpers/candyMachineInfo.js b/mint-site/helpers/candyMachineInfo.js
index b7a3daa..8b34b1e 100644
--- a/mint-site/helpers/candyMachineInfo.js
+++ b/mint-site/helpers/candyMachineInfo.js
@@ -1,17 +1,19 @@
-export const candyMachineAddress = "0x910d29c9605d6369edd2f895d4b93e1742819a63cf6c4535e3682701265f3149";
-export const collectionName = "Test collection"; // Case sensitive!
-export const collectionCoverUrl = "https://cloudflare-ipfs.com/ipfs//QmRRixSguSvkf39GozjygyiLcW47osNmzJ3c7uii4GDTTd";
-export const mode = "dev"; // "dev" or "test" or "mainnet"
+export const candyMachineAddress = process.env.NEXT_PUBLIC_CANDY_MACHINE_ID;
+export const collectionName = process.env.NEXT_PUBLIC_COLLECTION_NAME;
+export const collectionCoverUrl = process.env.NEXT_PUBLIC_COLLECTION_IMAGE_URI;
+export const mode = process.env.NEXT_PUBLIC_APTOS_NETWORK;
+
 
 export let NODE_URL;
 let FAUCET_URL;
-if (mode == "dev") {
-    NODE_URL = "https://fullnode.devnet.aptoslabs.com/v1";
-    FAUCET_URL = "https://faucet.devnet.aptoslabs.com";
+
+if (mode === "dev") {
+  NODE_URL = "https://fullnode.devnet.aptoslabs.com/v1";
+  FAUCET_URL = "https://faucet.devnet.aptoslabs.com";
 } else if (mode === "test") {
-    NODE_URL = "https://fullnode.testnet.aptoslabs.com/v1";
-    FAUCET_URL = "https://faucet.testnet.aptoslabs.com";
+  NODE_URL = "https://fullnode.testnet.aptoslabs.com/v1";
+  FAUCET_URL = "https://faucet.testnet.aptoslabs.com";
 } else {
-    NODE_URL = "https://fullnode.mainnet.aptoslabs.com/v1";
-    FAUCET_URL = null;
+  NODE_URL = "https://fullnode.mainnet.aptoslabs.com/v1";
+  FAUCET_URL = null;
 }