Dockerfile

# syntax=docker.io/docker/dockerfile:1

FROM node:20-alpine AS base

# Add Python and required packages
RUN apk add --no-cache python3 py3-pip git

ENV PNPM_HOME="/pnpm"
ENV PATH="$PNPM_HOME:$PATH"
RUN apk add --no-cache libc6-compat
RUN corepack enable && corepack prepare pnpm@9 --activate

# Install dependencies only when needed
FROM base AS deps
WORKDIR /app

# Copy package files
COPY package.json pnpm-lock.yaml* .npmrc* ./
RUN pnpm install --frozen-lockfile

# Rebuild the source code only when needed
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

# Generate Python documentation
RUN python3 -m pip install --upgrade pip && \
    pip install sphinx==7.1.2 && \
    git clone https://github.com/pygame-community/pygame-ce.git && \
    cd pygame-ce && \
    python3 setup.py docs && \
    cd .. && \
    python3 utils/generate_docs.py

# Build Next.js app
RUN pnpm run build

# Production image, copy all the files and run next
FROM base AS runner
WORKDIR /app

ENV NODE_ENV=production
# Uncomment the following line in case you want to disable telemetry during runtime.
# ENV NEXT_TELEMETRY_DISABLED=1

RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs

COPY --from=builder /app/public ./public

# Automatically leverage output traces to reduce image size
# https://nextjs.org/docs/advanced-features/output-file-tracing
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

USER nextjs

EXPOSE 3000

ENV PORT=3000

# server.js is created by next build from the standalone output
# https://nextjs.org/docs/pages/api-reference/next-config-js/output
ENV HOSTNAME="0.0.0.0"
CMD ["node", "server.js"]