Dockerfile

# Stage 1: Dependencies
FROM node:20-alpine AS deps
WORKDIR /app
COPY package*.json ./
RUN npm ci

# Stage 2: Build
FROM node:20-alpine AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run build

# Stage 3: Production
FROM node:20-alpine AS runner
WORKDIR /app
ENV NODE_ENV=production
ENV HOSTNAME=0.0.0.0

# Copy only what's needed
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/public ./public

# Copy better-sqlite3 native module and its dependencies
COPY --from=builder /app/node_modules/better-sqlite3 ./node_modules/better-sqlite3
COPY --from=builder /app/node_modules/bindings ./node_modules/bindings
COPY --from=builder /app/node_modules/file-uri-to-path ./node_modules/file-uri-to-path
COPY --from=builder /app/node_modules/prebuild-install ./node_modules/prebuild-install

# Copy undici for keep-alive HTTP agent (not bundled by Next.js standalone)
COPY --from=builder /app/node_modules/undici ./node_modules/undici

# Create data directory for SQLite
RUN mkdir -p /app/data

EXPOSE 3000
CMD ["node", "server.js"]