# ── Build stage ────────────────────────────────────────────────────────────────
FROM oven/bun:1 AS builder

WORKDIR /app

# Copy dependency manifests first for better layer caching
COPY package.json bun.lock ./

# Install all deps (including devDependencies needed for the build).
RUN bun install --frozen-lockfile

# Copy source and build
COPY . .
RUN bun run build

# Prune to production-only deps
RUN bun install --frozen-lockfile --production

# ── Runtime stage ───────────────────────────────────────────────────────────────
FROM oven/bun:1 AS runtime

WORKDIR /app

# Create a non-root user to run the app
RUN groupadd --system trips && useradd --system --gid trips trips

# Copy the built app and production node_modules from the builder
COPY --from=builder /app/build ./build
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/package.json ./package.json

# Directory for the SQLite database (mount a volume here)
RUN mkdir -p /data && chown trips:trips /data

USER trips

ENV NODE_ENV=production
ENV DATABASE_URL=file:/data/trips.db
ENV PORT=3000

EXPOSE 3000

CMD ["bun", "build/index.js"]