# Step 1: Build the application
FROM node:22-alpine AS builder

# Set working directory
WORKDIR /app

# Install dependencies
COPY package.json package-lock.json* ./
RUN npm ci

# Copy application source
COPY . .

# Build the application
RUN npm run build

# Step 2: Run the application using a minimal image
FROM node:22-alpine AS runner

# Set working directory
WORKDIR /app

# Install only production dependencies
COPY package.json package-lock.json ./
RUN npm ci --omit=dev

# Copy built assets from builder
COPY --from=builder --chown=nextjs:nodejs /app/.next ./.next
COPY --from=builder --chown=nextjs:nodejs /app/public ./public
COPY --from=builder --chown=nextjs:nodejs /app/node_modules ./node_modules
COPY --from=builder --chown=nextjs:nodejs /app/package.json ./package.json
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
# Set environment variable for production
ENV NODE_ENV=production

# Expose port (default for Next.js)
EXPOSE 3000

# Start the Next.js app
CMD ["npm", "start"]