# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm install

# Copy source code
COPY . .

# Build argument for API URL (optional, defaults to empty for production)
# Empty value means use relative paths, which works with nginx proxy
ARG VITE_API_URL=""
ENV VITE_API_URL=$VITE_API_URL

# Build the application
RUN npm run build

# Production stage
FROM nginx:alpine

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

# Copy nginx configuration
COPY nginx.conf /etc/nginx/nginx.conf

# Expose port
EXPOSE 80

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s \
  CMD wget --quiet --tries=1 --spider http://localhost/health || exit 1

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