# syntax=docker/dockerfile:1

FROM node:20-alpine AS deps
WORKDIR /app
COPY package.json package-lock.json* ./
RUN npm install --omit=dev

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

FROM node:20-alpine AS runner
WORKDIR /app
ENV NODE_ENV=production
RUN addgroup -S relay && adduser -S relay -G relay
COPY --from=deps /app/node_modules ./node_modules
COPY --from=build /app/dist ./dist
COPY package.json ./
USER relay
EXPOSE 3100
CMD ["node", "dist/index.js"]