Dockerfile

FROM node:22.12-alpine AS builder

COPY package.json package-lock.json tsconfig.json /app/
COPY src /app/src

WORKDIR /app

RUN --mount=type=cache,target=/root/.npm npm install
RUN npm run build

FROM node:22-alpine AS release

COPY --from=builder /app/dist /app/dist
COPY --from=builder /app/package.json /app/package.json
COPY --from=builder /app/package-lock.json /app/package-lock.json

ENV NODE_ENV=production

WORKDIR /app

RUN npm ci --ignore-scripts --omit-dev

USER node

HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
  CMD node -e "process.exit(0)" || exit 1

ENTRYPOINT ["node", "--max-old-space-size=512", "dist/index.js"]