Dockerfile

# syntax=docker/dockerfile:1

# ---- build stage: install everything, generate prisma client, build the app ----
FROM oven/bun:1 AS build
WORKDIR /app

# Install deps against the committed lockfile for reproducible builds.
COPY package.json bun.lockb ./
RUN bun install --frozen-lockfile

COPY . .

# adapter-node needs the prisma client generated before svelte build (types + runtime).
RUN bunx prisma generate && bun run build

# ---- runtime stage: slim image with only what we need to serve ----
FROM oven/bun:1-slim AS runtime
WORKDIR /app
ENV NODE_ENV=production

# Full node_modules from the build stage so the generated prisma client and the
# prisma CLI (used by migrate deploy on startup) are both present.
COPY --from=build /app/node_modules ./node_modules
COPY --from=build /app/build ./build
COPY --from=build /app/prisma ./prisma
COPY --from=build /app/package.json ./package.json
# Needed by prisma/seed.ts at startup (the only src file the runtime references).
COPY --from=build /app/src/types/abilitiesSeed.ts ./src/types/abilitiesSeed.ts
COPY docker-entrypoint.sh ./
RUN chmod +x docker-entrypoint.sh

# 3000 = SvelteKit HTTP (adapter-node), 8081 = game websocket server (hooks.server.ts)
EXPOSE 3000 8081

ENTRYPOINT ["./docker-entrypoint.sh"]