fix dockerfile

tools/walletextension/frontend/Dockerfile

@@ -1,9 +1,9 @@
 # Use an official Node.js LTS version as a base image
 FROM node:20-alpine AS base
+
 # Install pnpm
 RUN npm install -g pnpm
 
-
 ARG NEXT_PUBLIC_NETWORK_NAME
 ARG NEXT_PUBLIC_TENSCAN_URL
 ARG NEXT_PUBLIC_GATEWAY_URL
@@ -21,25 +21,28 @@ WORKDIR /usr/src/app
 COPY tools/walletextension/frontend/ .
 
 # Install dependencies
-RUN pnpm ci
+RUN pnpm install --frozen-lockfile
 
 # Build the Next.js app
 RUN pnpm run build
 
 # Reduce the size of the final image by using a lighter base image
 FROM node:20-alpine AS runner
 
+# Install pnpm
+RUN npm install -g pnpm
+
 # Set the working directory
 WORKDIR /usr/src/app
 
 # Copy only the necessary files from the build stage
 COPY --from=base /usr/src/app/.next ./.next
 COPY --from=base /usr/src/app/public ./public
 COPY --from=base /usr/src/app/package*.json ./
+COPY --from=base /usr/src/app/pnpm-lock.yaml ./
 
 # Install production dependencies
-RUN pnpm ci --production
-
+RUN pnpm install --prod --frozen-lockfile
 
 # Set the environment variables
 ENV PORT=80