# Dockerfile
# Stage 1: Build the application
FROM docker.io/library/node:20-alpine AS builder

WORKDIR /app

COPY package.json package-lock.json* ./
RUN npm install

COPY tsconfig.json ./
COPY src ./src

RUN npm run build

# Stage 2: Install production dependencies
FROM docker.io/library/node:20-alpine AS prod-deps

WORKDIR /app

COPY package.json package-lock.json* ./

RUN npm install --omit=dev

# Stage 3: Run the application
FROM gcr.io/distroless/nodejs20-debian12

WORKDIR /app

ENV NODE_ENV=production

COPY --from=prod-deps /app/node_modules ./node_modules
COPY --from=builder /app/dist ./dist

EXPOSE 4000

CMD ["dist/main.js"]