diff --git a/batcher-ui/Dockerfile.ghostnet b/batcher-ui/Dockerfile.ghostnet
index 043cc7cd..1321ca01 100644
--- a/batcher-ui/Dockerfile.ghostnet
+++ b/batcher-ui/Dockerfile.ghostnet
@@ -9,6 +9,10 @@ COPY ./package.json ./
 RUN npm install
 
 COPY ./tsconfig.json ./jsconfig.json ./
+COPY ./.eslintignore ./.eslintignore ./
+COPY ./.eslintrc.json ./.eslintrc.json ./
+COPY ./next-env.d.ts ./next-env.d.ts ./
+COPY ./next.config.js ./next.config.js ./
 #COPY ./pages ./pages
 COPY ./src ./src
 COPY ./styles ./styles
diff --git a/batcher-ui/src/config/token-vaults.ts b/batcher-ui/src/config/token-vaults.ts
index 9ed11049..8d5b97dc 100644
--- a/batcher-ui/src/config/token-vaults.ts
+++ b/batcher-ui/src/config/token-vaults.ts
@@ -1,7 +1,7 @@
 export const tokenVaultsConfig: { [key: string]: string } = {
-  tzBTC: process.env.NEXT_PUBLIC_TZBTC_VAULT_CONTRACT_HASH,
-  USDT: process.env.NEXT_PUBLIC_USDT_VAULT_CONTRACT_HASH,
-  EURL: process.env.NEXT_PUBLIC_EURL_VAULT_CONTRACT_HASH,
-  BTCtz: process.env.NEXT_PUBLIC_BTCTZ_VAULT_CONTRACT_HASH,
-  USDtz: process.env.NEXT_PUBLIC_USDTZ_VAULT_CONTRACT_HASH,
+  tzBTC: process.env.NEXT_PUBLIC_TZBTC_VAULT_CONTRACT_HASH || '',
+  USDT: process.env.NEXT_PUBLIC_USDT_VAULT_CONTRACT_HASH || '',
+  EURL: process.env.NEXT_PUBLIC_EURL_VAULT_CONTRACT_HASH || '',
+  BTCtz: process.env.NEXT_PUBLIC_BTCTZ_VAULT_CONTRACT_HASH || '',
+  USDtz: process.env.NEXT_PUBLIC_USDTZ_VAULT_CONTRACT_HASH || '',
 };
diff --git a/batcher-ui/src/contexts/tezos-toolkit.tsx b/batcher-ui/src/contexts/tezos-toolkit.tsx
index ce6da160..1829be61 100644
--- a/batcher-ui/src/contexts/tezos-toolkit.tsx
+++ b/batcher-ui/src/contexts/tezos-toolkit.tsx
@@ -6,7 +6,7 @@ type TzTkState = {
 };
 
 export const TezosToolkitContext = createContext<TzTkState>({
-  tezos: new TezosToolkit(process.env.NEXT_PUBLIC_TEZOS_NODE_URI),
+  tezos: new TezosToolkit(process.env.NEXT_PUBLIC_TEZOS_NODE_URI || ''),
 });
 
 export const useTezosToolkit = () => React.useContext(TezosToolkitContext);