# Frontend Dockerfile for ServerKit
# Multi-stage build: Node builds the assets, nginx serves them.

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

WORKDIR /app

COPY package*.json ./
RUN npm ci

COPY . .
RUN npm run build

# Stage 2: Serve
FROM nginx:alpine

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

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

# Create non-root user for nginx
RUN chown -R nginx:nginx /usr/share/nginx/html && \
    chown -R nginx:nginx /var/cache/nginx && \
    chown -R nginx:nginx /var/log/nginx && \
    chown -R nginx:nginx /etc/nginx/conf.d

# Expose port
EXPOSE 80

# Health check (use 127.0.0.1; the container only listens on IPv4)
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://127.0.0.1/ || exit 1

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