# Multi-stage build: compile in node:20, run in node:20-alpine.

FROM node:20 AS build
WORKDIR /app
COPY package.json package-lock.json* ./
RUN npm ci
COPY tsconfig.json ./
COPY src ./src
RUN npm run build

FROM node:20-alpine AS runtime
WORKDIR /app
ENV NODE_ENV=production
ENV PKB_TRANSPORT=http
ENV PORT=8080
COPY package.json package-lock.json* ./
RUN npm ci --omit=dev
COPY --from=build /app/dist ./dist
USER node
EXPOSE 8080
CMD ["node", "dist/server.js"]
