1c:I[89814,["/_next/static/chunks/eab2ca20462bdf58.js","/_next/static/chunks/8ed9042685d1c490.js","/_next/static/chunks/5fbd6e361b51c5a2.js","/_next/static/chunks/30b3d01ff205f785.js","/_next/static/chunks/0db142eee5524351.js","/_next/static/chunks/7528589c7389847b.js","/_next/static/chunks/ef8b21de8f672b51.js","/_next/static/chunks/84ac6d2ec2d7bc44.js","/_next/static/chunks/76831cc48c8fe4a9.js","/_next/static/chunks/69ee74b200507422.js","/_next/static/chunks/1e01631e8a6a7146.js"],"default"] 1d:I[5500,["/_next/static/chunks/eab2ca20462bdf58.js","/_next/static/chunks/8ed9042685d1c490.js","/_next/static/chunks/5fbd6e361b51c5a2.js","/_next/static/chunks/30b3d01ff205f785.js","/_next/static/chunks/0db142eee5524351.js","/_next/static/chunks/7528589c7389847b.js","/_next/static/chunks/ef8b21de8f672b51.js","/_next/static/chunks/84ac6d2ec2d7bc44.js","/_next/static/chunks/76831cc48c8fe4a9.js","/_next/static/chunks/69ee74b200507422.js","/_next/static/chunks/1e01631e8a6a7146.js"],"Image"] 1e:I[39959,["/_next/static/chunks/eab2ca20462bdf58.js","/_next/static/chunks/8ed9042685d1c490.js","/_next/static/chunks/5fbd6e361b51c5a2.js","/_next/static/chunks/30b3d01ff205f785.js","/_next/static/chunks/0db142eee5524351.js","/_next/static/chunks/7528589c7389847b.js","/_next/static/chunks/ef8b21de8f672b51.js","/_next/static/chunks/84ac6d2ec2d7bc44.js","/_next/static/chunks/76831cc48c8fe4a9.js","/_next/static/chunks/69ee74b200507422.js","/_next/static/chunks/1e01631e8a6a7146.js"],"default"] 20:I[27329,["/_next/static/chunks/eab2ca20462bdf58.js","/_next/static/chunks/8ed9042685d1c490.js","/_next/static/chunks/5fbd6e361b51c5a2.js","/_next/static/chunks/30b3d01ff205f785.js","/_next/static/chunks/0db142eee5524351.js","/_next/static/chunks/7528589c7389847b.js","/_next/static/chunks/ef8b21de8f672b51.js","/_next/static/chunks/84ac6d2ec2d7bc44.js","/_next/static/chunks/76831cc48c8fe4a9.js","/_next/static/chunks/69ee74b200507422.js","/_next/static/chunks/1e01631e8a6a7146.js"],"default"] 21:I[53451,["/_next/static/chunks/eab2ca20462bdf58.js","/_next/static/chunks/8ed9042685d1c490.js","/_next/static/chunks/5fbd6e361b51c5a2.js","/_next/static/chunks/30b3d01ff205f785.js","/_next/static/chunks/0db142eee5524351.js","/_next/static/chunks/7528589c7389847b.js","/_next/static/chunks/ef8b21de8f672b51.js","/_next/static/chunks/84ac6d2ec2d7bc44.js","/_next/static/chunks/76831cc48c8fe4a9.js","/_next/static/chunks/69ee74b200507422.js","/_next/static/chunks/1e01631e8a6a7146.js"],"default"] 22:I[44355,["/_next/static/chunks/eab2ca20462bdf58.js","/_next/static/chunks/8ed9042685d1c490.js","/_next/static/chunks/5fbd6e361b51c5a2.js","/_next/static/chunks/30b3d01ff205f785.js","/_next/static/chunks/0db142eee5524351.js","/_next/static/chunks/7528589c7389847b.js","/_next/static/chunks/ef8b21de8f672b51.js","/_next/static/chunks/84ac6d2ec2d7bc44.js","/_next/static/chunks/76831cc48c8fe4a9.js","/_next/static/chunks/69ee74b200507422.js","/_next/static/chunks/1e01631e8a6a7146.js"],"default"] 1f:T429,

The Importance of Slim Docker Images

Standard Node.js base images contain compiler tools, dev-dependencies, and package managers that are completely unnecessary in a running production container. Large images increase network deployment time and widen the attack surface of your server.

Structure of a Multi-stage Dockerfile

Multi-stage builds allow you to use temporary containers (stages) to build your source code, and copy only the compiled production output into a slim, runtime base image.

# Stage 1: Build source
FROM node:20-alpine AS builder
WORKDIR /app
COPY package*.json ./
RUN npm ci
COPY . .
RUN npm run build

# Stage 2: Production runtime
FROM node:20-alpine AS runner
WORKDIR /app
COPY --from=builder /app/package*.json ./
COPY --from=builder /app/dist ./dist
RUN npm ci --only=production
EXPOSE 8000
CMD ["node", "dist/main"]

This technique typically reduces final image sizes from **1.2GB down to under 150MB**, speeding up continuous deployments and improving container security.

Building Multi-stage Docker Builds for Node.js Applications

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