fix dockerfile for wrong lock file copy

Dockerfile

@@ -1,23 +1,25 @@
-FROM node:18-alpine AS builder
+FROM node:18-alpine AS pnpm
+
+RUN npm i -g pnpm
+
+FROM pnpm AS builder
 
 WORKDIR "/app"
 
 COPY . .
 
-RUN npm i -g pnpm
-
 RUN pnpm i
 
 RUN pnpm build
 
 RUN pnpm prune --production
 
-FROM node:18-alpine AS prod
+FROM pnpm AS prod
 
 WORKDIR "/app"
 
 COPY --from=builder /app/package.json ./package.json
-COPY --from=builder /app/package-lock.json ./package-lock.json
+COPY --from=builder /app/pnpm-lock.yaml ./pnpm-lock.yaml
 COPY --from=builder /app/dist ./dist
 COPY --from=builder /app/node_modules ./node_modules