# ---- Build stage: needs devDependencies (tsc, ts-node-dev, etc.) ----
FROM node:20-alpine AS build
WORKDIR /app

COPY package.json package-lock.json ./
# Install ALL deps including devDependencies so tsc is available
RUN npm ci

COPY . .
RUN npm run build

# ---- Production stage: only runtime deps + compiled output ----
FROM node:20-alpine AS production
WORKDIR /app

ENV NODE_ENV=production

COPY package.json package-lock.json ./
# Only production deps — devDependencies are not needed at runtime
RUN npm ci --omit=dev && npm cache clean --force

# Copy compiled JS from build stage
COPY --from=build /app/dist ./dist

EXPOSE 3333
CMD ["node", "dist/index.js"]