Improve production image size

Dockerfile

@@ -1,4 +1,4 @@
-#Build stage
+# Build stage
 FROM node:18-alpine AS build
 WORKDIR /app
 COPY package*.json .
@@ -6,11 +6,16 @@ RUN npm ci
 COPY . .
 RUN npm run build
 
-#Prod stage
-FROM node:18-alpine AS production
+# Deps stage
+FROM node:18-alpine AS dependencies
 WORKDIR /app
 COPY package*.json .
 RUN npm ci --omit=dev
-COPY --from=build /app/dist ./dist
 
+# Prod stage
+FROM node:18-alpine AS production
+WORKDIR /app
+COPY package*.json .
+COPY --from=build /app/dist ./dist
+COPY --from=dependencies /app/node_modules ./node_modules
 CMD ["npm", "run", "start"]