# Stage 1: Install dependencies
FROM node:20-alpine AS deps
RUN apk add --no-cache libc6-compat
WORKDIR /app

# Install dependencies based on the preferred package manager
COPY package.json package-lock.json* ./
RUN npm ci

# Stage 2: Rebuild the source code only when needed
FROM node:20-alpine AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

# Next.js collects completely anonymous telemetry data about general usage.
# Learn more here: https://nextjs.org/telemetry
# Uncomment the following line in case you want to disable telemetry during the build.
# ENV NEXT_TELEMETRY_DISABLED 1

RUN npx prisma generate
RUN npm run build

# Stage 3: Production image, copy all the files and run next
FROM node:20-alpine 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

# Set the correct permission for prerender cache
RUN mkdir .next
RUN chown nextjs:nodejs .next

# 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

# Copy Prisma files for migrations
COPY --from=builder /app/prisma ./prisma
COPY --from=builder /app/node_modules/.prisma ./node_modules/.prisma
COPY --from=builder /app/node_modules/@prisma ./node_modules/@prisma

# Install prisma CLI for migrations
RUN npm install -g prisma

# Create entrypoint script
RUN echo '#!/bin/sh' > /app/entrypoint.sh && \
    echo 'echo "Running database migrations..."' >> /app/entrypoint.sh && \
    echo 'npx prisma migrate deploy' >> /app/entrypoint.sh && \
    echo 'echo "Starting application..."' >> /app/entrypoint.sh && \
    echo 'exec node server.js' >> /app/entrypoint.sh && \
    chmod +x /app/entrypoint.sh

USER nextjs

EXPOSE 3000

ENV PORT 3000
# set hostname to localhost
ENV HOSTNAME "0.0.0.0"

# Run migrations then start server
CMD ["/bin/sh", "/app/entrypoint.sh"]