FROM oven/bun:1.3.9-alpine AS base
WORKDIR /app

FROM base AS prod-deps
COPY package.json bun.lock ./
RUN --mount=type=cache,id=bun,target=/root/.bun/install/cache \
    bun install --production --frozen-lockfile || bun install --production

FROM base AS builder
COPY package.json bun.lock ./
RUN --mount=type=cache,id=bun,target=/root/.bun/install/cache \
    bun install --frozen-lockfile || bun install

COPY . .
RUN bun run build

FROM base AS runtime
WORKDIR /app

COPY --from=builder /app/dist ./dist
COPY --from=prod-deps /app/node_modules ./node_modules
COPY package.json ./

ENV HOST=0.0.0.0
ENV PORT=4321
EXPOSE 4321

CMD ["bun", "run", "./dist/server/entry.mjs"]