# syntax=docker/dockerfile:1

# Stage 1: Install dependencies
FROM oven/bun:1.3.14-alpine AS deps
WORKDIR /app
# Copy only package files to leverage Docker layer caching
COPY package.json bun.lock ./
# The Docker layer already caches dependencies until package.json or bun.lock
# changes. Avoid a persistent Bun cache mount here: stale package artifacts can
# survive dependency upgrades and produce a node_modules tree that disagrees
# with bun.lock.
RUN bun install --frozen-lockfile

# Stage 2: Build the application
FROM deps AS builder
ARG TARGETARCH
ENV NEXT_TELEMETRY_DISABLED=1
COPY . .
# Build Next.js
RUN --mount=type=cache,target=/app/.next/cache \
    bun run build

# The standalone tracer includes both glibc and musl Sharp packages. Alpine only
# needs musl, so prune the incompatible copy before it enters a runtime layer.
RUN rm -rf \
    ".next/standalone/node_modules/@img/sharp-linux-${TARGETARCH}" \
    ".next/standalone/node_modules/@img/sharp-libvips-linux-${TARGETARCH}"

# Stage 3: Production runner
FROM oven/bun:1.3.14-alpine AS runner
WORKDIR /app
ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1
ENV HOSTNAME=0.0.0.0
ENV PORT=3000

# Copy the standalone server and static assets without the full dependency tree
COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/public ./public
COPY --from=builder /app/.next/static ./.next/static

EXPOSE 3000
CMD ["bun", "server.js"]

# Stage 4: Scheduled video upload worker
FROM deps AS video-upload-worker
COPY . .
CMD ["bun", "run", "worker/video-upload.ts"]