FROM node:18-alpine AS build

WORKDIR /app

# Copy package files first for better layer caching
COPY package.json package-lock.json* ./

# Install dependencies
RUN npm ci

# Copy the rest of the application
COPY . .

# Build the application
RUN npm run build

# Production stage
FROM node:18-alpine AS production

WORKDIR /app

# Copy only the built assets and necessary files from the build stage
COPY --from=build /app/dist ./dist
COPY --from=build /app/package.json ./

# Install only production dependencies
RUN npm ci --omit=dev

# Expose the port Vite uses by default
EXPOSE 5173

# Use a static file server for production builds
RUN npm install -g serve

# Serve the built application
CMD ["serve", "-s", "dist", "-l", "5173"]