ARG NODE_VERSION=24.6.0

FROM node:${NODE_VERSION}-alpine AS builder
WORKDIR /app
COPY package*.json ./
RUN --mount=type=bind,source=package.json,target=package.json \
    --mount=type=bind,source=package-lock.json,target=package-lock.json \
    --mount=type=cache,target=/root/.npm \
    npm ci
COPY . .
RUN npm prune --production

FROM node:${NODE_VERSION}-alpine
WORKDIR /app
COPY --from=builder /app/node_modules node_modules/
COPY --from=builder /app/index.js .
COPY --from=builder /app/src src/
USER node
EXPOSE 12345
ENV NODE_ENV=production
CMD [ "node", "."]