Dockerfile

# ------- Image ----------

  FROM node:20-bullseye-slim AS installer

  RUN apt-get update \
    && apt-get install -y ca-certificates \
    && rm -rf /var/lib/apt/lists/*
  
  COPY ./package.json ./app/package.json
  COPY ./tsconfig.json ./app/tsconfig.json
  
  WORKDIR /app
  
  RUN npm install
  
  # ------- Builder ----------
  
  FROM node:20-bullseye-slim AS builder
  WORKDIR /app
  COPY --from=installer /app .
  COPY ./src ./src
  
  RUN npm run build
  
  # ------- Runner ----------
  
  FROM node:20-bullseye-slim AS runner
  
  RUN apt-get update \
    && apt-get install -y ca-certificates \
    && rm -rf /var/lib/apt/lists/*
  
  RUN addgroup --system --gid 1001 service
  RUN adduser --system --uid 1001 service
  USER service
  
  WORKDIR /app
  
  COPY --from=builder /app .
  
  ENV NODE_OPTIONS="--max-old-space-size=4096"
  
  CMD ["node", "dist/services"]