# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci

# Copy source code
COPY . .

# Build the application
RUN npm run build

# Production stage
FROM nginx:alpine

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

# Copy nginx config for SPA
RUN echo 'server { \
    listen 80; \
    server_name localhost; \
    root /usr/share/nginx/html; \
    index index.html; \
    \
    location / { \
        try_files $uri $uri/ /index.html; \
    } \
    \
    location /api { \
        proxy_pass http://backend:3000; \
        proxy_http_version 1.1; \
        proxy_set_header Upgrade $http_upgrade; \
        proxy_set_header Connection "upgrade"; \
        proxy_set_header Host $host; \
        proxy_set_header X-Real-IP $remote_addr; \
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; \
        proxy_set_header X-Forwarded-Proto $scheme; \
    } \
}' > /etc/nginx/conf.d/default.conf

EXPOSE 80

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