added dockerfile and made changes to attempt to build successfully

Dockerfile

@@ -0,0 +1,65 @@
+FROM node:18-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 package.json yarn.lock* package-lock.json* pnpm-lock.yaml* ./
+RUN \
+  if [ -f yarn.lock ]; then yarn --immutable; \
+  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
+
+
+# Rebuild the source code only when needed
+FROM base AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+ENV NEXT_TELEMETRY_DISABLED=1
+
+RUN \
+  if [ -f yarn.lock ]; then yarn 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
+# Uncomment the following line in case you want to disable telemetry during runtime.
+ENV NEXT_TELEMETRY_DISABLED=1
+
+RUN addgroup --system --gid 1001 nodejs
+RUN adduser --system --uid 1001 nextjs
+
+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
+
+# server.js is created by next build from the standalone output
+# https://nextjs.org/docs/pages/api-reference/next-config-js/output
+ENV HOSTNAME="0.0.0.0"
+CMD ["node", "server.js"]

app/tag-data.json

@@ -1 +1 @@
-{"markdown":1,"code":1,"features":1,"github":1,"guide":4,"next-js":3,"tailwind":2,"yoyoyoy":1,"feature":1,"writings":1,"book":1,"reflection":1}
+{"github":1,"guide":3,"next-js":2,"tailwind":1,"writings":1,"book":1,"reflection":1}

scripts/rss.mjs

@@ -3,7 +3,7 @@ import path from 'path'
 import { slug } from 'github-slugger'
 import { escape } from 'pliny/utils/htmlEscaper.js'
 import siteMetadata from '../data/siteMetadata.js'
-import tagData from '../app/tag-data.json' assert { type: 'json' }
+import tagData from '../app/tag-data.json' with { type: 'json' }
 import { allBlogs } from '../.contentlayer/generated/index.mjs'
 import { sortPosts } from 'pliny/utils/contentlayer.js'
 
@@ -45,9 +45,7 @@ async function generateRSS(config, allBlogs, page = 'feed.xml') {
 
   if (publishPosts.length > 0) {
     for (const tag of Object.keys(tagData)) {
-      const filteredPosts = allBlogs.filter((post) =>
+      const filteredPosts = allBlogs.filter((post) => post.tags.map((t) => slug(t)).includes(tag))
-        post.tags.map((t) => slug(t)).includes(tag)
-      )
       const rss = generateRss(config, filteredPosts, `tags/${tag}/${page}`)
       const rssPath = path.join('public', 'tags', tag)
       mkdirSync(rssPath, { recursive: true })