# Build stage
FROM node:22-alpine AS builder

WORKDIR /app

# Install pnpm
RUN corepack enable && corepack prepare pnpm@latest --activate

# Copy package files
COPY package.json pnpm-lock.yaml* ./

# Install dependencies
RUN pnpm install --frozen-lockfile || pnpm install

# Copy source code
COPY tsconfig.json ./
COPY src ./src

# Build TypeScript
RUN pnpm build

# Production stage
FROM node:22-alpine AS production

WORKDIR /app

# Install pnpm
RUN corepack enable && corepack prepare pnpm@latest --activate

# Copy package files
COPY package.json pnpm-lock.yaml* ./

# Install production dependencies only
RUN pnpm install --prod --frozen-lockfile || pnpm install --prod

# Copy built files from builder
COPY --from=builder /app/dist ./dist

# Create non-root user
RUN addgroup -g 1001 -S moltbot && \
    adduser -S moltbot -u 1001 -G moltbot

USER moltbot

# Environment defaults
ENV NODE_ENV=production
ENV PORT=3000
ENV HOST=0.0.0.0

EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost:3000/health || exit 1

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