fix: update Dockerfile and remove .next from git

Dockerfile

@@ -1,30 +1,66 @@
-# Build stage
-FROM node:20-alpine AS build
+FROM node:20-alpine AS base
 
+# Install dependencies only when needed
+FROM base AS deps
+# Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
+RUN apk add --no-cache libc6-compat
 WORKDIR /app
 
-# Copy package files
-COPY package.json package-lock.json ./
+# Install dependencies based on the preferred package manager
+COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* ./
+RUN \
+  if [ -f yarn.lock ]; then yarn --frozen-lockfile; \
+  elif [ -f package-lock.json ]; then npm ci; \
+  elif [ -f pnpm-lock.yaml ]; then corepack enable pnpm && pnpm i --frozen-lockfile; \
+  else echo "Lockfile not found." && exit 1; \
+  fi
 
-# Install dependencies
-RUN npm install
 
-# Copy project files
+# Rebuild the source code only when needed
+FROM base AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
 COPY . .
 
-# Build the app
-RUN npm run build
+# Next.js collects completely anonymous telemetry data about general usage.
+# Learn more here: https://nextjs.org/telemetry
+# Uncomment the following line in case you want to disable telemetry during the build.
+ENV NEXT_TELEMETRY_DISABLED=1
 
-# Production stage
-FROM nginx:stable-alpine
+RUN \
+  if [ -f yarn.lock ]; then yarn run build; \
+  elif [ -f package-lock.json ]; then npm run build; \
+  elif [ -f pnpm-lock.yaml ]; then corepack enable pnpm && pnpm run build; \
+  else echo "Lockfile not found." && exit 1; \
+  fi
 
-# Copy built assets from build stage
-COPY --from=build /app/dist /usr/share/nginx/html
+# Production image, copy all the files and run next
+FROM base AS runner
+WORKDIR /app
 
-# Copy custom nginx config
-COPY nginx.conf /etc/nginx/conf.d/default.conf
+ENV NODE_ENV=production
+# Uncomment the following line in case you want to disable telemetry during runtime.
+# ENV NEXT_TELEMETRY_DISABLED=1
 
-EXPOSE 80
+RUN addgroup --system --gid 1001 nodejs
+RUN adduser --system --uid 1001 nextjs
 
-CMD ["nginx", "-g", "daemon off;"]
+COPY --from=builder /app/public ./public
 
+# Set the correct permission for prerender cache
+RUN mkdir .next
+RUN chown nextjs:nodejs .next
+
+# Automatically leverage output traces to reduce image size
+# https://nextjs.org/docs/advanced-features/output-file-tracing
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
+
+USER nextjs
+
+EXPOSE 3000
+
+ENV PORT=3000
+ENV HOSTNAME="0.0.0.0"
+
+CMD ["node", "server.js"]