- use multistep build

Dockerfile

@@ -1,25 +1,18 @@
-FROM node:20-alpine as builder
+FROM node:20-alpine AS builder
 
-WORKDIR /home/node/app
+WORKDIR /app
 COPY package*.json ./
-RUN npm install yarn
-RUN yarn install && yarn cache clean --force && rm -rf /tmp/*
+RUN npm install -g yarn && yarn install --frozen-lockfile --production=false --cache-folder /yarn-cache && yarn cache clean --force && rm -rf /yarn-cache /tmp/*
 COPY . .
-# RUN yarn build
+# RUN yarn build # Uncomment if you have a build step
 
-# FROM base as runtime
+FROM node:20-alpine
 
-# ENV NODE_ENV=production
-
-# WORKDIR /home/node/app
-# COPY package*.json  ./
-
-# RUN npm install yarn
-# RUN yarn build
-# RUN yarn install --production
-# COPY --from=runtime /home/node/app/dist ./dist
-# COPY --from=runtime /home/node/app/build ./build
+WORKDIR /app
+COPY --from=builder /app/package*.json ./
+COPY --from=builder /app/yarn.lock ./
+RUN npm install -g yarn && yarn install --frozen-lockfile --production --cache-folder /yarn-cache && yarn cache clean --force && rm -rf /yarn-cache /tmp/*
+COPY --from=builder /app/ .
 
 EXPOSE 3000
-
-CMD ["node", "run", "dev", "-p", "3000"]
+CMD ["node", "run", "dev", "-p", "3000"] #or node dist/index.js if you built the project.