Dockerfile.dev

# Dev-mode Next.js runner — used by docker-compose.yml so the whole
# stack can come up with one `docker compose up`. Production builds use
# the multi-stage Dockerfile instead.
FROM node:20-alpine

RUN apk add --no-cache libc6-compat

WORKDIR /app

# Use Chinese npm mirror for faster installs from CN networks
RUN npm config set registry https://registry.npmmirror.com/

# Install deps first (cached across code-only changes). Source is
# bind-mounted at runtime so we re-`npm install` automatically if
# package.json changes (entrypoint below).
COPY package.json package-lock.json* ./
RUN npm ci --ignore-scripts || npm install --ignore-scripts

# Generate Prisma client at startup so schema changes take effect on
# restart without rebuilding the image.
EXPOSE 3100

ENV PORT=3100
ENV HOSTNAME=0.0.0.0
ENV NEXT_TELEMETRY_DISABLED=1

# Entrypoint:
#   1) If host package.json differs from baked one, sync deps
#   2) Regenerate Prisma client (cheap if unchanged)
#   3) Run `next dev` on 0.0.0.0:3100 with turbopack
CMD ["sh", "-c", "\
if ! cmp -s /app/package.json /app/.baked-package.json 2>/dev/null; then \
  echo 'package.json changed → re-installing deps'; \
  npm install --ignore-scripts && cp /app/package.json /app/.baked-package.json; \
fi; \
npx prisma generate && \
npx next dev --turbopack --port 3100 --hostname 0.0.0.0\
"]