# Build stage
FROM node:24.6.0 AS builder

# Setting working directory for build
WORKDIR /app

# Copying package.json and package-lock.json to leverage Docker cache
COPY package*.json ./

# Copying TypeScript configuration
COPY tsconfig.json ./

# Installing dependencies
RUN npm install

# Copying the rest of the application code
COPY . .

# Building the TypeScript React app for production
RUN npm run build

# Production stage
FROM node:24.6.0-slim

# Setting working directory
WORKDIR /app

# Installing serve to run the production build
RUN npm install -g serve

# Copying only the build output from the builder stage
COPY --from=builder /app/build ./build

# Exposing the port the app will run on
EXPOSE 3000

# Starting the server to serve the built React app
CMD ["serve", "-s", "build", "-l", "3000"]