# syntax=docker/dockerfile:1.7
# Authoritative Bun WebSocket server for @paratype/chess.
# Build context: monorepo root (so workspace deps resolve).

FROM oven/bun:1.3 AS deps
WORKDIR /app

# Manifests first for cacheable installs.
COPY package.json bun.lock ./
COPY tsconfig.base.json tsconfig.json ./
COPY packages/rete/package.json packages/rete/
COPY packages/chess/package.json packages/chess/
COPY packages/server/package.json packages/server/

RUN bun install --frozen-lockfile

# ---- builder: compile @paratype/rete (server resolves its "import"
# field to dist/index.js, so we MUST build it before runtime).
FROM deps AS builder
COPY packages/rete packages/rete
RUN bun run --filter @paratype/rete build

# Bring in remaining sources needed at runtime.
COPY packages/chess/src packages/chess/src
COPY packages/chess/package.json packages/chess/
COPY packages/server packages/server

# ---- runtime
FROM oven/bun:1.3-slim AS runtime
WORKDIR /app
ENV NODE_ENV=production \
    PORT=7357 \
    LOG_LEVEL=info

COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/package.json ./package.json

# rete: built dist + its symlinked node_modules
COPY --from=builder /app/packages/rete/dist packages/rete/dist
COPY --from=builder /app/packages/rete/package.json packages/rete/package.json
COPY --from=builder /app/packages/rete/node_modules packages/rete/node_modules

# chess: source consumed by server.ts via "default" export, plus its
# per-package node_modules so symlinked deps (zod, etc.) resolve.
COPY --from=builder /app/packages/chess/src packages/chess/src
COPY --from=builder /app/packages/chess/package.json packages/chess/package.json
COPY --from=builder /app/packages/chess/node_modules packages/chess/node_modules

# server: full copy already includes its node_modules.
COPY --from=builder /app/packages/server packages/server

EXPOSE 7357
USER bun
CMD ["bun", "run", "packages/server/src/index.ts"]