# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./

COPY next.config.mjs ./

# Install dependencies
RUN npm ci

# Copy source code
COPY . .

# Build the Next.js application
RUN npm run build

# Production stage
FROM node:20-alpine AS runner

WORKDIR /app

# Set to production environment
ENV NODE_ENV=production

# Copy necessary files from builder
COPY --from=builder /app/public ./public
COPY --from=builder /app/.next ./.next
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/package.json ./package.json
COPY --from=builder /app/next.config.mjs ./

# Expose the port your app runs on
EXPOSE 3000

# Add tini for proper signal handling
RUN apk add --no-cache tini

# Use tini as entrypoint
ENTRYPOINT ["/sbin/tini", "--"]

# Start the application
CMD ["npm", "start"]