# =============================================================================
# Sentiment Analysis Service Dockerfile
# Using Debian slim for better native module compatibility
# =============================================================================
FROM node:20-slim AS builder
# Install build dependencies for native modules (better-sqlite3)
RUN apt-get update && apt-get install -y --no-install-recommends \
python3 \
build-essential \
&& rm -rf /var/lib/apt/lists/*
WORKDIR /app
# Enable pnpm
RUN corepack enable pnpm
# Copy package files and .npmrc for pnpm config
COPY package.json pnpm-lock.yaml* .npmrc* ./
# Install dependencies - .npmrc allows better-sqlite3 to run build scripts
RUN pnpm install --frozen-lockfile
# Copy source code and build
COPY . .
RUN pnpm build
# =============================================================================
# Production stage - minimal runtime image
# =============================================================================
FROM node:20-slim
# Install runtime dependencies only
RUN apt-get update && apt-get install -y --no-install-recommends \
dumb-init \
wget \
&& rm -rf /var/lib/apt/lists/*
WORKDIR /app
# Enable pnpm for runtime
RUN corepack enable pnpm
# Copy package files
COPY package.json pnpm-lock.yaml* .npmrc* ./
# Copy built artifacts and node_modules from builder
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/node_modules ./node_modules
# Create non-root user for security
RUN groupadd --system --gid 1001 nodejs && \
useradd --system --uid 1001 --gid nodejs appuser && \
mkdir -p /app/data && chown -R appuser:nodejs /app/data
# Switch to non-root user
USER appuser
# Environment variables
ENV NODE_ENV=production
ENV PORT=3002
ENV HOST=0.0.0.0
# Expose port
EXPOSE 3002
# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
CMD wget --no-verbose --tries=1 --spider http://localhost:3002/health || exit 1
# Use dumb-init as entrypoint
ENTRYPOINT ["dumb-init", "--"]
CMD ["node", "dist/index.js"]