Dockerfile

FROM node:20 AS base

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

# Copy package files
COPY package.json package-lock.json ./

# Install dependencies
RUN npm ci

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

# Define build arguments
ARG DATABASE_URL
ARG NEXTAUTH_URL
ARG GITHUB_CLIENT_ID
ARG GITHUB_CLIENT_SECRET
ARG NEXTAUTH_SECRET
ARG GEMINI_API_KEY

# Set environment variables from build arguments
ENV DATABASE_URL=${DATABASE_URL}
ENV NEXTAUTH_URL=${NEXTAUTH_URL}
ENV GITHUB_CLIENT_ID=${GITHUB_CLIENT_ID}
ENV GITHUB_CLIENT_SECRET=${GITHUB_CLIENT_SECRET}
ENV NEXTAUTH_SECRET=${NEXTAUTH_SECRET}
ENV GEMINI_API_KEY=${GEMINI_API_KEY}

# Copy the entire project first so prisma can find the schema
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

# Generate Prisma client explicitly after copying all files
RUN npx prisma generate

# Build the application
RUN npm run build

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

ENV NODE_ENV production
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 --from=builder --chown=nextjs:nodejs /app/prisma ./prisma
COPY --from=builder --chown=nextjs:nodejs /app/node_modules/.prisma ./node_modules/.prisma

USER nextjs

EXPOSE 4000

ENV PORT 4000

# server.js is created by next build when using output: standalone
CMD ["node", "server.js"]