Dockerfile

# ── Stage 1: Build ────────────────────────────────────────────────────────────
FROM node:22-alpine AS builder

WORKDIR /app

# Install build dependencies for native modules (better-sqlite3)
RUN apk add --no-cache python3 make g++

COPY package*.json tsconfig.json ./
RUN npm ci

COPY src ./src
RUN npm run build

# ── Stage 2: Runtime ─────────────────────────────────────────────────────────
FROM node:22-alpine AS runtime

WORKDIR /app

ENV NODE_ENV=production

# Install native runtime libs
RUN apk add --no-cache python3 make g++

# Copy only what's needed
COPY package*.json ./
RUN npm ci --omit=dev

COPY --from=builder /app/dist ./dist

# Runtime data directory (mount a volume here for persistence)
RUN mkdir -p /app/runtime

EXPOSE 8787

HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
  CMD wget -qO- http://localhost:8787/health || exit 1

CMD ["node", "dist/src/server.js"]