# ========== STAGE 1: Build ========== FROM node:18 AS builder WORKDIR /app # Copy only what's needed to install dependencies first (for better cache) COPY package*.json ./ # Install dependencies without unnecessary cache RUN npm ci --omit=dev # Then copy the rest of the source COPY . . # Build the app (modify this command if you're not using a build script) RUN npm run build # ========== STAGE 2: Runtime ========== FROM node:18-slim AS runtime # Install runtime dependencies RUN apt-get update && apt-get install -y --no-install-recommends \ tini \ && rm -rf /var/lib/apt/lists/* WORKDIR /app # Copy built app from builder stage COPY --from=builder /app/dist ./dist COPY --from=builder /app/package*.json ./ # Set correct permissions if needed RUN chown -R node:node /app USER node # Expose port (adjust if needed) EXPOSE 3000 # Start the app ENTRYPOINT ["/usr/bin/tini", "--"] CMD ["node", "dist/server.js"]