Deploy: Add Dockerfile and enable standalone output for Coolify deployment

Dockerfile

@@ -0,0 +1,61 @@
+FROM node:20-alpine AS base
+
+# Install dependencies only when needed
+FROM base AS deps
+RUN apk add --no-cache libc6-compat
+WORKDIR /app
+
+COPY package.json package-lock.json* ./
+RUN npm ci
+
+# Rebuild the source code only when needed
+FROM base AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+# Build arguments for environment variables (injected by Coolify)
+ARG NEXT_PUBLIC_APPWRITE_ENDPOINT
+ARG NEXT_PUBLIC_APPWRITE_PROJECT_ID
+ARG APPWRITE_API_KEY
+ARG APPWRITE_DATABASE_ID
+
+ENV NEXT_PUBLIC_APPWRITE_ENDPOINT=$NEXT_PUBLIC_APPWRITE_ENDPOINT
+ENV NEXT_PUBLIC_APPWRITE_PROJECT_ID=$NEXT_PUBLIC_APPWRITE_PROJECT_ID
+ENV APPWRITE_API_KEY=$APPWRITE_API_KEY
+ENV APPWRITE_DATABASE_ID=$APPWRITE_DATABASE_ID
+
+# Next.js collects anonymous telemetry data - disable it
+ENV NEXT_TELEMETRY_DISABLED=1
+
+RUN npm run build
+
+# Production image - copy only necessary files
+FROM base AS runner
+WORKDIR /app
+
+ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+
+RUN addgroup --system --gid 1001 nodejs
+RUN adduser --system --uid 1001 nextjs
+
+# Copy public folder and built assets
+COPY --from=builder /app/public ./public
+
+# Set correct permissions for prerender cache
+RUN mkdir .next
+RUN chown nextjs:nodejs .next
+
+# 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
+
+USER nextjs
+
+EXPOSE 3000
+
+ENV PORT=3000
+ENV HOSTNAME="0.0.0.0"
+
+CMD ["node", "server.js"]

next.config.ts

@@ -1,6 +1,7 @@
 import type { NextConfig } from "next";
 
 const nextConfig: NextConfig = {
+  output: 'standalone',
   trailingSlash: true,
   experimental: {
     serverActions: {