# Frontend Dockerfile
# Multi-stage build for optimized production image

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

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci

# Copy application code
COPY . .

# Build for production
RUN npm run build

# Stage 2: Production stage
FROM node:20-alpine

# Create app user
RUN addgroup -g 1001 -S oltalama && \
    adduser -S oltalama -u 1001 -G oltalama

WORKDIR /app

# Copy built assets from builder
COPY --from=builder --chown=oltalama:oltalama /app/dist ./dist
COPY --from=builder --chown=oltalama:oltalama /app/package*.json ./

# Install only production dependencies (for preview server)
RUN npm ci --only=production

# Switch to non-root user
USER oltalama

# Expose port
EXPOSE 4173

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost:4173 || exit 1

# Start preview server
CMD ["npm", "run", "preview", "--", "--host", "0.0.0.0"]