FROM node:22-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm install

# Copy source code
COPY . .

# Build the NestJS application
RUN npm run build

# ---

FROM node:22-alpine AS runtime

WORKDIR /app

ENV NODE_ENV=production

# Copy package files for production install
COPY package*.json ./

# Install only production dependencies
RUN npm install --omit=dev

# Copy compiled code from builder
COPY --from=builder /app/dist ./dist

EXPOSE 4020

CMD ["node", "dist/main.js"]