FROM node:20-alpine

WORKDIR /usr/src/app

COPY package*.json ./
RUN npm install --production
RUN apk add --no-cache curl

COPY server.js .

EXPOSE 8080

HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 CMD curl -f http://localhost:8080/ || exit 1

CMD [ "node", "server.js" ]