# Use the official Node.js 20 lightweight Alpine image as the base
FROM node:20-alpine

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

# Copy dependency manifests
COPY package.json yarn.lock ./

# Install dependencies (using --frozen-lockfile to guarantee exact versions from yarn.lock)
RUN yarn install --frozen-lockfile

# Copy the rest of the application code
COPY . .

# Expose the port that the API server listens on (default is 3150)
EXPOSE 3150

# Set environment variables
ENV NODE_ENV=production

# By default, run the API server.
# To run the cron process, you can override the CMD at runtime: docker run <image> node src/cronIndex.js
CMD [ "node", "src/apiIndex.js" ]