# Backend Dockerfile - NestJS
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files and npm config
COPY server/package*.json ./server/
COPY server/.npmrc ./server/
COPY shared/package*.json ./shared/

# Install dependencies with multiple mirror fallback
RUN cd server && \
    echo "Trying Aliyun mirror..." && \
    npm install --registry=https://registry.npmmirror.com --prefer-offline --no-audit --no-fund || \
    (echo "Aliyun failed, trying Tencent Cloud..." && \
     npm install --registry=https://mirrors.cloud.tencent.com/npm/ --prefer-offline --no-audit --no-fund) || \
    (echo "Tencent failed, trying Huawei Cloud..." && \
     npm install --registry=https://repo.huaweicloud.com/repository/npm/ --prefer-offline --no-audit --no-fund)

# Copy source code
COPY server/src ./server/src
COPY server/tsconfig.json ./server/
COPY server/nest-cli.json ./server/
COPY shared ./shared

# Build
RUN cd server && npm run build

# Production stage
FROM node:20-alpine

WORKDIR /app

# Copy package files and npm config
COPY server/package*.json ./
COPY server/.npmrc ./

# Install production dependencies with multiple mirror fallback
RUN echo "Installing production dependencies..." && \
    (npm install --omit=dev --registry=https://registry.npmmirror.com --prefer-offline --no-audit --no-fund || \
     npm install --omit=dev --registry=https://mirrors.cloud.tencent.com/npm/ --prefer-offline --no-audit --no-fund || \
     npm install --omit=dev --registry=https://repo.huaweicloud.com/repository/npm/ --prefer-offline --no-audit --no-fund)

# Copy built application
COPY --from=builder /app/server/dist ./dist
COPY shared ./shared

# Create data directory
RUN mkdir -p /app/data

EXPOSE 3000

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