FROM node:22.18.0-alpine3.22 AS dependencies
WORKDIR /app
COPY package*.json ./
RUN npm ci

FROM dependencies AS test
COPY . .
CMD ["npm", "test"]

FROM dependencies AS build
COPY . .
RUN npm run build

FROM nginxinc/nginx-unprivileged:1.29.1-alpine3.22 AS preview
COPY --from=build /app/dist /usr/share/nginx/html
EXPOSE 8080
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 CMD wget -q -O /dev/null http://127.0.0.1:8080/ || exit 1