# -------- Build stage --------
FROM node:20-alpine AS builder

WORKDIR /app

COPY package*.json ./
RUN npm install

COPY . .
RUN npm run build

# -------- Runtime stage --------
FROM node:20-alpine

WORKDIR /app

# ✅ REQUIRED for SMTP + HTTPS
RUN apk add --no-cache ca-certificates

ENV NODE_ENV=production

COPY --from=builder /app/package*.json ./
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/.next ./.next
COPY --from=builder /app/public ./public

EXPOSE 3000

CMD ["npm", "start"]