# --- Frontend build ---
FROM node:24-alpine AS frontend-builder
RUN apk add --no-cache git
WORKDIR /app
COPY frontend/package.json frontend/package-lock.json ./
RUN npm ci
COPY frontend .
RUN npm run build

# --- Backend build (TypeScript -> dist; bcrypt compiles natively) ---
FROM node:24-alpine AS backend-builder
RUN apk add --no-cache python3 make g++
WORKDIR /app
COPY backend/package.json backend/package-lock.json ./
RUN npm ci
COPY backend .
RUN npm run build && npm prune --omit=dev

# --- Runtime (compiled, production deps only) ---
FROM node:24-alpine
WORKDIR /app
ENV NODE_ENV=production
COPY --from=backend-builder /app/node_modules ./node_modules
COPY --from=backend-builder /app/dist ./dist
COPY --from=backend-builder /app/package.json ./package.json
COPY --from=frontend-builder /app/dist ./public

# Runs migrations and seeders (compiled) before starting the server.
CMD ["npm", "run", "start:production"]