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

WORKDIR /app

# Copy only dependency files first (better cache)
COPY package*.json ./

# Install devDependencies too (vite, etc.) even when NODE_ENV=production
RUN npm ci --include=dev

# Copy source after deps (maximizes cache usage)
COPY . .

# Build with production mode
RUN npm run build


# -------- Production Stage --------
FROM nginx:stable-alpine AS production

# Copy built assets
COPY --from=builder /app/dist /usr/share/nginx/html

# Copy nginx config (optional, safer naming)
COPY nginx.conf /etc/nginx/conf.d/default.conf

# Remove default nginx config if needed (optional safety)
RUN rm -f /etc/nginx/conf.d/default.conf.default || true

EXPOSE 80

CMD ["nginx", "-g", "daemon off;"]