new new dockerfile

Dockerfile

@@ -1,38 +1,24 @@
-# Stage 1: Build the Next.js application
-FROM node:20-alpine AS builder
+FROM node:lts-alpine AS base
+
+# Stage 1: Install dependencies
+FROM base AS deps
 WORKDIR /app
-# Enable Corepack
-RUN corepack enable
+COPY package.json yarn.lock ./
+RUN corepack enable yarn && yarn install --immutable
 
-# Set Yarn to the latest stable version
-RUN yarn set version stable
-
-COPY package.json package-lock.json ./
-RUN yarn install
+# Stage 2: Build the application
+FROM base AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
 COPY . .
-RUN yarn build
+RUN corepack enable yarn && yarn build
 
-# Stage 2: Create the production image
-FROM node:20-alpine AS runner
+# Stage 3: Production server
+FROM base AS runner
 WORKDIR /app
-
 ENV NODE_ENV=production
-# Optional: disable Next.js telemetry
-ENV NEXT_TELEMETRY_DISABLED=1
-
-# Create a non-root user
-RUN addgroup --system --gid 1001 nodejs
-RUN adduser --system --uid 1001 nextjs
-USER nextjs
-
-# Copy the standalone output from the builder stage
-COPY --from=builder /app/public ./public
-# Automatically leverage output traces to reduce image size
-COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
-COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
+COPY --from=builder /app/.next/standalone ./
+COPY --from=builder /app/.next/static ./.next/static
 
 EXPOSE 3000
-
-ENV PORT=3000
-# The standalone output generates a server.js file that starts the app
-CMD ["node", "server.js"]
+CMD ["node", "server.js"]