Update Dockerfile

Dockerfile

@@ -1,20 +1,19 @@
-# syntax=docker/dockerfile:1.4
+# syntax=docker.io/docker/dockerfile:1
 
-# Adapted from https://github.com/vercel/next.js/blob/e60a1e747c3f521fc24dfd9ee2989e13afeb0a9b/examples/with-docker/Dockerfile
-# For more information, see https://nextjs.org/docs/pages/building-your-application/deploying#docker-image
-
-FROM node:22 AS base
+FROM node:22-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
 
 # Install dependencies based on the preferred package manager
-COPY --link package.json yarn.lock* package-lock.json* pnpm-lock.yaml* ./
+COPY package.json yarn.lock* package-lock.json* pnpm-lock.yaml* .npmrc* ./
 RUN \
   if [ -f yarn.lock ]; then yarn --frozen-lockfile; \
   elif [ -f package-lock.json ]; then npm ci; \
-  elif [ -f pnpm-lock.yaml ]; then yarn global add pnpm && pnpm i --frozen-lockfile; \
+  elif [ -f pnpm-lock.yaml ]; then corepack enable pnpm && pnpm i --frozen-lockfile; \
   else echo "Lockfile not found." && exit 1; \
   fi
 
@@ -22,40 +21,46 @@ RUN \
 # Rebuild the source code only when needed
 FROM base AS builder
 WORKDIR /app
-COPY --from=deps --link /app/node_modules ./node_modules
-COPY --link  . .
-
-ENV NEXT_TELEMETRY_DISABLED 1
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
 
-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
 
-# If using yarn comment out above and use below instead
-# RUN yarn build
+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
 
 # Production image, copy all the files and run next
 FROM base AS runner
 WORKDIR /app
 
-ENV NODE_ENV production
-ENV NEXT_TELEMETRY_DISABLED 1
+ENV NODE_ENV=production
+# Uncomment the following line in case you want to disable telemetry during runtime.
+# ENV NEXT_TELEMETRY_DISABLED=1
 
-RUN \
-  addgroup --system --gid 1001 nodejs; \
-  adduser --system --uid 1001 nextjs
+RUN addgroup --system --gid 1001 nodejs
+RUN adduser --system --uid 1001 nextjs
 
-COPY --from=builder --link /app/public ./public
+COPY --from=builder /app/public ./public
 
 # Automatically leverage output traces to reduce image size
 # https://nextjs.org/docs/advanced-features/output-file-tracing
-COPY --from=builder --link --chown=1001:1001 /app/.next/standalone ./
-COPY --from=builder --link --chown=1001:1001 /app/.next/static ./.next/static
+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
-
+ENV PORT=3000
 
+# server.js is created by next build from the standalone output
+# https://nextjs.org/docs/pages/api-reference/config/next-config-js/output
+ENV HOSTNAME="0.0.0.0"
 CMD ["node", "server.js"]