Dockerfile

FROM node:20-alpine AS base

# Install dependencies for better-sqlite3
RUN apk add --no-cache python3 make g++

WORKDIR /app

# Install dependencies
COPY package.json package-lock.json ./
RUN npm ci

# Copy source
COPY . .

# Ensure public dir exists (may not in all setups)
RUN mkdir -p public

# Pass commit SHA for version footer (git is unavailable in container)
ARG COMMIT_SHA
ENV COMMIT_SHA=$COMMIT_SHA

# Build (standalone output — includes only required node_modules)
RUN npm run build

# Production
FROM node:20-alpine AS runner
# Only the C++ runtime is needed for better-sqlite3 (not the compiler toolchain)
RUN apk add --no-cache libstdc++
WORKDIR /app

# Standalone output includes server.js + minimal node_modules
COPY --from=base /app/.next/standalone ./
# Static assets and public files must be copied separately
COPY --from=base /app/.next/static ./.next/static
COPY --from=base /app/public ./public
COPY --from=base /app/schema.sql ./
COPY --from=base /app/prompts ./prompts

ENV NODE_ENV=production
EXPOSE 3000

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