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# Multi-stage build for ChatApp
# ----- Build Stage -----
FROM node:18 AS builder
WORKDIR /app
# Install root dependencies and workspaces
COPY package.json package-lock.json* ./
COPY client/package.json ./client/package.json
COPY server/package.json ./server/package.json
RUN npm install
# Copy source code
COPY . .
# Build client and server
RUN npm run build
# Remove development dependencies to reduce size
RUN npm prune --omit=dev --workspaces
# ----- Production Stage -----
FROM node:18-alpine AS runner
WORKDIR /app
# Copy built application from builder
COPY --from=builder /app/package.json ./
COPY --from=builder /app/client/package.json ./client/package.json
COPY --from=builder /app/server/package.json ./server/package.json
COPY --from=builder /app/client/dist ./client/dist
COPY --from=builder /app/server/dist ./server/dist
COPY --from=builder /app/client/node_modules ./client/node_modules
COPY --from=builder /app/server/node_modules ./server/node_modules
ENV NODE_ENV=production
ENV PORT=3001
EXPOSE 3001
CMD ["node", "server/dist/index.js"]
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