# =============================================================================
# ERP-CORE Frontend - Dockerfile
# =============================================================================
# Multi-stage build with Nginx
# =============================================================================

# Stage 1: Build
FROM node:20-alpine AS builder
WORKDIR /app

COPY package*.json ./
RUN npm ci

COPY . .
RUN npm run build

# Stage 2: Production with Nginx
FROM nginx:alpine AS runner

# 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

# Security: run as non-root
RUN chown -R nginx:nginx /usr/share/nginx/html && \
    chmod -R 755 /usr/share/nginx/html

EXPOSE 80

HEALTHCHECK --interval=30s --timeout=10s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost:80 || exit 1

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