# ── Build stage ──────────────────────────────────────────────────────────────
FROM node:20-alpine AS builder

WORKDIR /app

# Install dependencies (including dev deps for tsc)
COPY package*.json ./
RUN npm install

# Copy source and compile TypeScript
COPY tsconfig.json ./
COPY src ./src
RUN npm run build

# ── Runtime stage ─────────────────────────────────────────────────────────────
FROM node:20-alpine AS runtime

WORKDIR /app

# Production deps only — also rebuild better-sqlite3 for Alpine (musl libc)
COPY package*.json ./
RUN npm install --omit=dev && \
    npm rebuild better-sqlite3 && \
    npm cache clean --force

# Copy compiled JS + static UI
COPY --from=builder /app/dist ./dist
COPY public ./public

# Data directory will be bind-mounted; create it so it exists if not mounted
RUN mkdir -p /app/data

# Non-root user for security
RUN addgroup -S tracker && adduser -S tracker -G tracker && \
    chown -R tracker:tracker /app
USER tracker

EXPOSE 3457

# dotenv/config is imported in index.ts — reads .env if present.
# In prod, pass env vars via Dokploy / docker-compose env_file instead.
CMD ["node", "dist/index.js"]