# ---------- Builder ----------
FROM node:20-alpine AS builder
WORKDIR /app

# Accept build argument
ARG VITE_API_URL
ENV VITE_API_URL=$VITE_API_URL

# Copy package files and install dependencies
COPY package*.json ./
RUN npm ci --prefer-offline --no-audit

# Copy source and build
COPY . .
RUN npm run build

# ---------- Runtime ----------
FROM nginx:stable-alpine AS runtime

# Copy custom nginx config
COPY nginx.conf /etc/nginx/conf.d/default.conf

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

# Add healthcheck
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost/health || exit 1

EXPOSE 80
CMD ["nginx", "-g", "daemon off;"]