feat: update Next.js configuration to enable standalone output for improved deployment

Dockerfile

@@ -0,0 +1,66 @@
+# syntax=docker/dockerfile:1
+
+# ---- Base ----
+FROM node:22-alpine AS base
+RUN corepack enable && corepack prepare pnpm@latest --activate
+WORKDIR /app
+
+# ---- Dependencies ----
+FROM base AS deps
+COPY package.json pnpm-lock.yaml ./
+RUN pnpm install --frozen-lockfile
+
+# ---- Build ----
+FROM base AS builder
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+
+# Generate Prisma client (dummy URL for build, actual URL at runtime)
+ENV DATABASE_URL="file:/tmp/build.db"
+RUN pnpm prisma generate
+
+# Build Next.js
+ENV NEXT_TELEMETRY_DISABLED=1
+RUN pnpm build
+
+# ---- Production ----
+FROM base AS runner
+ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+
+# Install build tools for native modules (better-sqlite3)
+RUN apk add --no-cache python3 make g++
+
+# Create non-root user
+RUN addgroup --system --gid 1001 nodejs && \
+    adduser --system --uid 1001 nextjs
+
+# Copy built assets (standalone includes node_modules needed for runtime)
+COPY --from=builder /app/public ./public
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
+
+# Copy Prisma schema, migrations, and config
+COPY --from=builder /app/prisma ./prisma
+COPY --from=builder /app/prisma.config.ts ./prisma.config.ts
+
+# Install prisma CLI for migrations + better-sqlite3 (compile native module)
+ENV DATABASE_URL="file:/app/data/prod.db"
+RUN pnpm add prisma @prisma/client @prisma/adapter-better-sqlite3 better-sqlite3 dotenv && \
+    pnpm prisma generate
+
+# Copy entrypoint script
+COPY --chown=nextjs:nodejs docker-entrypoint.sh ./
+RUN chmod +x docker-entrypoint.sh
+
+# Create data directory for SQLite
+RUN mkdir -p /app/data && chown -R nextjs:nodejs /app/data
+
+USER nextjs
+
+EXPOSE 3000
+ENV PORT=3000
+ENV HOSTNAME="0.0.0.0"
+ENV DATABASE_URL="file:/app/data/prod.db"
+
+ENTRYPOINT ["./docker-entrypoint.sh"]