# Use an official Node.js runtime as a parent image for building
FROM node:18-alpine as builder

# Set the working directory in the container
WORKDIR /usr/src/app

# Copy package.json and package-lock.json to the working directory
COPY package*.json ./

# Install any needed packages
RUN npm install

# Bundle app source
COPY . .

# Build the app
RUN npm run build

# Use a lightweight web server to serve the static files
FROM node:18-alpine

# Set the working directory
WORKDIR /usr/src/app

# Copy the build output from the builder stage
COPY --from=builder /usr/src/app/build .

# Install serve
RUN npm install -g serve

# Make port 3000 available to the world outside this container
EXPOSE 3000

# Define the command to run the app
CMD ["serve", "-s", ".", "-l", "3000"]