# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci

# Copy source
COPY . .

# Build the app
RUN npm run build

# Production stage
FROM node:20-alpine

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install production dependencies only
RUN npm ci --omit=dev

# Copy built app from builder
COPY --from=builder /app/.next ./.next
# Copy public folder if it exists in the builder
# Using sh to handle the conditional copy
RUN mkdir -p ./public

# Create non-root user
RUN addgroup -g 1001 -S nodejs && adduser -S nextjs -u 1001

# Set permissions
RUN chown -R nextjs:nodejs /app

USER nextjs

# Start the app
CMD ["npm", "run", "start"]

EXPOSE 3000