# Build stage --------------------------------------------------------------
FROM node:20-alpine AS build

WORKDIR /app

COPY package.json ./
RUN npm install --no-audit --no-fund

COPY . .
RUN npm run build

# Runtime stage ------------------------------------------------------------
FROM node:20-alpine AS runtime

WORKDIR /app
COPY --from=build /app/dist ./dist
COPY --from=build /app/package.json ./package.json

# Tiny static-file server.
RUN npm install -g serve@14.2.3

EXPOSE 3000

HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
  CMD wget -qO- http://localhost:3000 >/dev/null || exit 1

CMD ["serve", "-s", "dist", "-l", "3000"]